Company lists · Data refreshed September 2026
Top 25 Hydronic heating contractors based in the United States
RevenueBase identified 2,318 company matches for hydronic heating contractors associated with the United States as of September 2026 and tracks 13,632 professional contacts across them, including 3,289 with verified work emails. New York is the largest hub.
This list covers company matches for hydronic heating contractors associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest hydronic heating contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 279 contacts → | ||||
Exact match “Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 225 contacts → | ||||
Exact match “Morris-Jenkins is like family!” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 191 contacts → | ||||
Exact match “Since 1981, Haller Enterprises has proudly served central and eastern Pennsylvania as a leader in heating, cooling, plumbing, and electrical services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 175 contacts → | ||||
Exact match “Len The Plumber Heating & Air is a leading home services provider delivering trusted plumbing, heating, cooling, and air quality solutions across the Mid-Atlantic region.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 168 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 126 contacts → | ||||
Exact match “Founded in 1948, LAARS serves a diverse base of customers located in many countries across the globe.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 110 contacts → | ||||
Exact match “Lawyer Mechanical Services (LMS) creates and maintains comfort.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 109 contacts → | ||||
Exact match “DRF Water Heating Solutions mission is to help as many people as we can.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 96 contacts → | ||||
Exact match “Meeting Your Needs.Exceeding Your Expectations" For over 70 years, Atomatic Mechanical Services has been dedicated to quality design, installation and service of HVAC systems for…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 92 contacts → | ||||
Exact match “Interstate AC is a trusted partner for commercial and industrial HVAC and plumbing services across Middle Tennessee.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 91 contacts → | ||||
Exact match “James River Air Conditioning, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 89 contacts → | ||||
Exact match “CASA Mechanical is owned and operated by the W.G.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 78 contacts → | ||||
Exact match “Althoff Industries was founded in 1961 by James Althoff to service residential heating and air-conditioning customers in the growing Northwest Chicago suburbs.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 78 contacts → | ||||
Exact match “Serving Fresno, CA Since 1981.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 78 contacts → | ||||
Exact match “As "The Technicians You Can Trust with Your House Keys!"®, you can expect the best AC and furnace repairs and installations and plumbing along with our award-winning customer…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 72 contacts → | ||||
Exact match “We provide innovative hydronic and engineered plumbing solutions to engineers, contractors, building owners, and facilities teams in NC, SC, VA, TN, GA, and AL.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 65 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 62 contacts → | ||||
Exact match “Serving and Keeping Southern Arizona Cool and Comfortable since 1959 We offer you peace of mind, ensuring your HVAC and plumbing equipment operates safely.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 62 contacts → | ||||
Exact match “We have been setting the standard for professional home service in the Metro Detroit area since 1937.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 60 contacts → | ||||
Exact match “Anchor Mechanical offers quality commercial, industrial and residential HVAC & Plumbing services for new and retrofit projects.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 59 contacts → | ||||
Exact match “Haddad Plumbing & Heating is one of the leading plumbing and HVAC contractors in the Tri-State Area since We provide comprehensive plumbing and HVAC services to commercial and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 57 contacts → | ||||
Exact match “Dual Fuel is a Licensed Master Plumber, General Contractor, NYSERDA Real Time Energy Management (RTEM) System and Service Provider, Coned C&I Partner, Coned Multifamily Partner…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 51 contacts → | ||||
Exact match “DESIGN + BUILD Matrix HG is a commercial HVAC company serving the greater San Francisco Bay Area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 50 contacts → | ||||
Exact match “WarmlyYours is a fast-growing firm in Chicago providing radiant heating solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 49 contacts → | ||||
Exact match “We provide HVAC residential maintenance, installation, and repair services on all brands of air conditioning equipment, furnaces, heat pumps, and boilers.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “hydronic heating contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 2,318 hydronic heating contractors based in the United States
See the full list, filter by size, metro and specialty, and access 3,289 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydronic heating contractors based in the United States at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,318 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “hydronic heating contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 3,289 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hydronic heating contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydronic heating contractors are there based in the United States?
RevenueBase identified 2,318 company matches for hydronic heating contractors associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Weil-Mclain tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hydronic heating contractors?
New York leads with 32 company records, followed by San Antonio (16) and Houston (15).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,289 professional contacts with verified work emails tracked across these 2,318 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,318 hydronic heating contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Hydronic heating contractors by geography
- Hydronic heating contractors based in Australia
- Hydronic heating contractors based in Belgium
- Hydronic heating contractors based in Canada
- Hydronic heating contractors based in Denmark
- Hydronic heating contractors based in France
- Hydronic heating contractors based in Germany
- Hydronic heating contractors based in Italy
- Hydronic heating contractors based in the Netherlands
- Hydronic heating contractors based in Sweden
- Hydronic heating contractors based in Switzerland
- Hydronic heating contractors based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Hydronic heating contractors based in Australia
- Hydronic heating contractors based in Belgium
- Hydronic heating contractors based in Canada
- Hydronic heating contractors based in Denmark
- Hydronic heating contractors based in France
- Hydronic heating contractors based in Germany
Company intelligence · public preview
Top 25 hydronic heating contractors based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,318 matching company records for hydronic heating contractors based in the United States, with 13,632 tracked contacts and 3,289 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hydronic heating contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Weil-Mclainweil-mclain.com HQ: Burr Ridge, IL, United StatesReported employees: 501-1,000 | Burr Ridge, IL, United States | 501-1,000 | Exact match | 279 contacts → |
“Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Morris-Jenkinsmorrisjenkins.comHQ: Charlotte, NC, United StatesReported employees: 501-1,000 | Charlotte, NC, United States | 501-1,000 | Exact match | 225 contacts → |
“Morris-Jenkins is like family!” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Haller Enterprisesaskhaller.comHQ: Lititz, PA, United StatesReported employees: 201-500 | Lititz, PA, United States | 201-500 | Exact match | 191 contacts → |
“Since 1981, Haller Enterprises has proudly served central and eastern Pennsylvania as a leader in heating, cooling, plumbing, and electrical services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  LEN The Plumber Heating & AIRlentheplumber.comHQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 175 contacts → |
“Len The Plumber Heating & Air is a leading home services provider delivering trusted plumbing, heating, cooling, and air quality solutions across the Mid-Atlantic region.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 168 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Laars Heating Systemslaars.com HQ: Rochester, NH, United StatesReported employees: 201-500 | Rochester, NH, United States | 201-500 | Exact match | 126 contacts → |
“Founded in 1948, LAARS serves a diverse base of customers located in many countries across the globe.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lawyer Mechanical Serviceslmses.comHQ: Las Vegas, NV, United StatesReported employees: 51-200 | Las Vegas, NV, United States | 51-200 | Exact match | 110 contacts → |
“Lawyer Mechanical Services (LMS) creates and maintains comfort.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | DRF Water Heating Solutionsdrftps.com HQ: Plainfield, IL, United StatesReported employees: 51-200 | Plainfield, IL, United States | 51-200 | Exact match | 109 contacts → |
“DRF Water Heating Solutions mission is to help as many people as we can.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Atomatic Mechanical Servicesatomatic.comHQ: Arlington Heights, IL, United StatesReported employees: 51-200 | Arlington Heights, IL, United States | 51-200 | Exact match | 96 contacts → |
“Meeting Your Needs.Exceeding Your Expectations" For over 70 years, Atomatic Mechanical Services has been dedicated to quality design, installation and service of HVAC systems for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Interstate ACinterstateac.comHQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 92 contacts → |
“Interstate AC is a trusted partner for commercial and industrial HVAC and plumbing services across Middle Tennessee.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  James River AIR Conditioning Companyjamesriverair.comHQ: Richmond, VA, United StatesReported employees: 51-200 | Richmond, VA, United States | 51-200 | Exact match | 91 contacts → |
“James River Air Conditioning, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Casa Mechanical Servicescasamechanical.comHQ: Round Rock, TX, United StatesReported employees: 51-200 | Round Rock, TX, United States | 51-200 | Exact match | 89 contacts → |
“CASA Mechanical is owned and operated by the W.G.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Althoff Industriesalthoffind.comHQ: Crystal Lake, IL, United StatesReported employees: 51-200 | Crystal Lake, IL, United States | 51-200 | Exact match | 78 contacts → |
“Althoff Industries was founded in 1961 by James Althoff to service residential heating and air-conditioning customers in the growing Northwest Chicago suburbs.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lee's Air, Plumbing, Heating, & Roofingleesair.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 78 contacts → |
“Serving Fresno, CA Since 1981.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Anthony Plumbing, Heating, Cooling & Electricanthonyphce.com HQ: Lenexa, KS, United StatesReported employees: 51-200 | Lenexa, KS, United States | 51-200 | Exact match | 78 contacts → |
“As "The Technicians You Can Trust with Your House Keys!"®, you can expect the best AC and furnace repairs and installations and plumbing along with our award-winning customer…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hoffman Hydronicshoffmanhydronics.com HQ: Greensboro, NC, United StatesReported employees: 51-200 | Greensboro, NC, United States | 51-200 | Exact match | 72 contacts → |
“We provide innovative hydronic and engineered plumbing solutions to engineers, contractors, building owners, and facilities teams in NC, SC, VA, TN, GA, and AL.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Roscoe Brown, INCroscoebrown.com HQ: Murfreesboro, TN, United StatesReported employees: 51-200 | Murfreesboro, TN, United States | 51-200 | Exact match | 65 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Rite WAY Heating, Cooling & Plumbingritewayac.comHQ: Tucson, AZ, United StatesReported employees: 201-500 | Tucson, AZ, United States | 201-500 | Exact match | 62 contacts → |
“Serving and Keeping Southern Arizona Cool and Comfortable since 1959 We offer you peace of mind, ensuring your HVAC and plumbing equipment operates safely.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Thornton & Grooms Heating, Cooling & Plumbingthorntonandgrooms.com HQ: Farmington Hills, MI, United StatesReported employees: 51-200 | Farmington Hills, MI, United States | 51-200 | Exact match | 62 contacts → |
“We have been setting the standard for professional home service in the Metro Detroit area since 1937.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Anchor Mechanical LLCanchormech.comHQ: Forest Hill, MD, United StatesReported employees: 201-500 | Forest Hill, MD, United States | 201-500 | Exact match | 60 contacts → |
“Anchor Mechanical offers quality commercial, industrial and residential HVAC & Plumbing services for new and retrofit projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Haddad Plumbing & Heating INChaddadplumbing.comHQ: Newark, NJ, United StatesReported employees: 51-200 | Newark, NJ, United States | 51-200 | Exact match | 59 contacts → |
“Haddad Plumbing & Heating is one of the leading plumbing and HVAC contractors in the Tri-State Area since We provide comprehensive plumbing and HVAC services to commercial and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Dual Fueldualfuelcorp.com HQ: Mount Vernon, NY, United StatesReported employees: 51-200 | Mount Vernon, NY, United States | 51-200 | Exact match | 57 contacts → |
“Dual Fuel is a Licensed Master Plumber, General Contractor, NYSERDA Real Time Energy Management (RTEM) System and Service Provider, Coned C&I Partner, Coned Multifamily Partner…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Matrix HG Inc. Matrixmatrixhginc.comHQ: Concord, CA, United StatesReported employees: 201-500 | Concord, CA, United States | 201-500 | Exact match | 51 contacts → |
“DESIGN + BUILD Matrix HG is a commercial HVAC company serving the greater San Francisco Bay Area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Warmlyyourswarmlyyours.com HQ: Lake Zurich, IL, United StatesReported employees: 11-50 | Lake Zurich, IL, United States | 11-50 | Exact match | 50 contacts → |
“WarmlyYours is a fast-growing firm in Chicago providing radiant heating solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Topline Heating And AIRtoplineair.comHQ: Lancaster, PA, United StatesReported employees: 11-50 | Lancaster, PA, United States | 11-50 | Exact match | 49 contacts → |
“We provide HVAC residential maintenance, installation, and repair services on all brands of air conditioning equipment, furnaces, heat pumps, and boilers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,318 company matches
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Hydronic heating contractors: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,278 records in the displayed employee bands.
40 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,318 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for hydronic heating contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hydronic heating contractors did RevenueBase find based in the United States?
The saved snapshot records 2,318 matching company records, 13,632 tracked contacts and 3,289 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Hydronic heating contractors by geography
- Hydronic heating contractors based in Australia
- Hydronic heating contractors based in Belgium
- Hydronic heating contractors based in Canada
- Hydronic heating contractors based in Denmark
- Hydronic heating contractors based in France
- Hydronic heating contractors based in Germany
- Hydronic heating contractors based in Italy
- Hydronic heating contractors based in the Netherlands
- Hydronic heating contractors based in Sweden
- Hydronic heating contractors based in Switzerland
- Hydronic heating contractors based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 hydronic heating contractors based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/hydronic-heating-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Hydronic heating contractors based in Australia
- Hydronic heating contractors based in Belgium
- Hydronic heating contractors based in Canada
- Hydronic heating contractors based in Denmark
- Hydronic heating contractors based in France
- Hydronic heating contractors based in Germany
Company intelligence · public preview
Top 25 hydronic heating contractors based in the United States
RevenueBase records 2,318 matching company records for hydronic heating contractors based in the United States, with 13,632 tracked contacts and 3,289 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hydronic heating contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Weil-Mclainweil-mclain.com HQ: Burr Ridge, IL, United StatesReported employees: 501-1,000 | Burr Ridge, IL, United States | 501-1,000 | Exact match | 279 contacts → |
“Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Morris-Jenkinsmorrisjenkins.com HQ: Charlotte, NC, United StatesReported employees: 501-1,000 | Charlotte, NC, United States | 501-1,000 | Exact match | 225 contacts → |
“Morris-Jenkins is like family!” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Haller Enterprisesaskhaller.com HQ: Lititz, PA, United StatesReported employees: 201-500 | Lititz, PA, United States | 201-500 | Exact match | 191 contacts → |
“Since 1981, Haller Enterprises has proudly served central and eastern Pennsylvania as a leader in heating, cooling, plumbing, and electrical services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | LEN The Plumber Heating & AIRlentheplumber.com HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 175 contacts → |
“Len The Plumber Heating & Air is a leading home services provider delivering trusted plumbing, heating, cooling, and air quality solutions across the Mid-Atlantic region.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 168 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Laars Heating Systemslaars.com HQ: Rochester, NH, United StatesReported employees: 201-500 | Rochester, NH, United States | 201-500 | Exact match | 126 contacts → |
“Founded in 1948, LAARS serves a diverse base of customers located in many countries across the globe.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lawyer Mechanical Serviceslmses.com HQ: Las Vegas, NV, United StatesReported employees: 51-200 | Las Vegas, NV, United States | 51-200 | Exact match | 110 contacts → |
“Lawyer Mechanical Services (LMS) creates and maintains comfort.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | DRF Water Heating Solutionsdrftps.com HQ: Plainfield, IL, United StatesReported employees: 51-200 | Plainfield, IL, United States | 51-200 | Exact match | 109 contacts → |
“DRF Water Heating Solutions mission is to help as many people as we can.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Atomatic Mechanical Servicesatomatic.com HQ: Arlington Heights, IL, United StatesReported employees: 51-200 | Arlington Heights, IL, United States | 51-200 | Exact match | 96 contacts → |
“Meeting Your Needs.Exceeding Your Expectations" For over 70 years, Atomatic Mechanical Services has been dedicated to quality design, installation and service of HVAC systems for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Interstate ACinterstateac.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 92 contacts → |
“Interstate AC is a trusted partner for commercial and industrial HVAC and plumbing services across Middle Tennessee.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | James River AIR Conditioning Companyjamesriverair.com HQ: Richmond, VA, United StatesReported employees: 51-200 | Richmond, VA, United States | 51-200 | Exact match | 91 contacts → |
“James River Air Conditioning, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Casa Mechanical Servicescasamechanical.com HQ: Round Rock, TX, United StatesReported employees: 51-200 | Round Rock, TX, United States | 51-200 | Exact match | 89 contacts → |
“CASA Mechanical is owned and operated by the W.G.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Althoff Industriesalthoffind.com HQ: Crystal Lake, IL, United StatesReported employees: 51-200 | Crystal Lake, IL, United States | 51-200 | Exact match | 78 contacts → |
“Althoff Industries was founded in 1961 by James Althoff to service residential heating and air-conditioning customers in the growing Northwest Chicago suburbs.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lee's Air, Plumbing, Heating, & Roofingleesair.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 78 contacts → |
“Serving Fresno, CA Since 1981.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Anthony Plumbing, Heating, Cooling & Electricanthonyphce.com HQ: Lenexa, KS, United StatesReported employees: 51-200 | Lenexa, KS, United States | 51-200 | Exact match | 78 contacts → |
“As "The Technicians You Can Trust with Your House Keys!"®, you can expect the best AC and furnace repairs and installations and plumbing along with our award-winning customer…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hoffman Hydronicshoffmanhydronics.com HQ: Greensboro, NC, United StatesReported employees: 51-200 | Greensboro, NC, United States | 51-200 | Exact match | 72 contacts → |
“We provide innovative hydronic and engineered plumbing solutions to engineers, contractors, building owners, and facilities teams in NC, SC, VA, TN, GA, and AL.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Roscoe Brown, INCroscoebrown.com HQ: Murfreesboro, TN, United StatesReported employees: 51-200 | Murfreesboro, TN, United States | 51-200 | Exact match | 65 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Rite WAY Heating, Cooling & Plumbingritewayac.com HQ: Tucson, AZ, United StatesReported employees: 201-500 | Tucson, AZ, United States | 201-500 | Exact match | 62 contacts → |
“Serving and Keeping Southern Arizona Cool and Comfortable since 1959 We offer you peace of mind, ensuring your HVAC and plumbing equipment operates safely.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Thornton & Grooms Heating, Cooling & Plumbingthorntonandgrooms.com HQ: Farmington Hills, MI, United StatesReported employees: 51-200 | Farmington Hills, MI, United States | 51-200 | Exact match | 62 contacts → |
“We have been setting the standard for professional home service in the Metro Detroit area since 1937.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Anchor Mechanical LLCanchormech.com HQ: Forest Hill, MD, United StatesReported employees: 201-500 | Forest Hill, MD, United States | 201-500 | Exact match | 60 contacts → |
“Anchor Mechanical offers quality commercial, industrial and residential HVAC & Plumbing services for new and retrofit projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Haddad Plumbing & Heating INChaddadplumbing.com HQ: Newark, NJ, United StatesReported employees: 51-200 | Newark, NJ, United States | 51-200 | Exact match | 59 contacts → |
“Haddad Plumbing & Heating is one of the leading plumbing and HVAC contractors in the Tri-State Area since We provide comprehensive plumbing and HVAC services to commercial and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Dual Fueldualfuelcorp.com HQ: Mount Vernon, NY, United StatesReported employees: 51-200 | Mount Vernon, NY, United States | 51-200 | Exact match | 57 contacts → |
“Dual Fuel is a Licensed Master Plumber, General Contractor, NYSERDA Real Time Energy Management (RTEM) System and Service Provider, Coned C&I Partner, Coned Multifamily Partner…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Matrix HG Inc. Matrixmatrixhginc.com HQ: Concord, CA, United StatesReported employees: 201-500 | Concord, CA, United States | 201-500 | Exact match | 51 contacts → |
“DESIGN + BUILD Matrix HG is a commercial HVAC company serving the greater San Francisco Bay Area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Warmlyyourswarmlyyours.com HQ: Lake Zurich, IL, United StatesReported employees: 11-50 | Lake Zurich, IL, United States | 11-50 | Exact match | 50 contacts → |
“WarmlyYours is a fast-growing firm in Chicago providing radiant heating solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Topline Heating And AIRtoplineair.com HQ: Lancaster, PA, United StatesReported employees: 11-50 | Lancaster, PA, United States | 11-50 | Exact match | 49 contacts → |
“We provide HVAC residential maintenance, installation, and repair services on all brands of air conditioning equipment, furnaces, heat pumps, and boilers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,318 company matches
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Hydronic heating contractors: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,278 records in the displayed employee bands.
40 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,318 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for hydronic heating contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hydronic heating contractors did RevenueBase find based in the United States?
The saved snapshot records 2,318 matching company records, 13,632 tracked contacts and 3,289 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Hydronic heating contractors by geography
- Hydronic heating contractors based in Australia
- Hydronic heating contractors based in Belgium
- Hydronic heating contractors based in Canada
- Hydronic heating contractors based in Denmark
- Hydronic heating contractors based in France
- Hydronic heating contractors based in Germany
- Hydronic heating contractors based in Italy
- Hydronic heating contractors based in the Netherlands
- Hydronic heating contractors based in Sweden
- Hydronic heating contractors based in Switzerland
- Hydronic heating contractors based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 hydronic heating contractors based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/hydronic-heating-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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