Company lists · Data refreshed September 2026
Top 19 District heating companies based in the United States
RevenueBase identified 37 company matches for district heating companies associated with the United States as of September 2026 and tracks 711 professional contacts across them, including 329 with verified work emails. Boston is the largest hub.
This list covers company matches for district heating companies 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 19, 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 19 largest district heating companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 286 contacts → | ||||
Exact match “Vicinity Energy is a leading district energy company that owns and operates the largest portfolio of district energy systems nationwide, providing steam, hot water, and chilled…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 64 contacts → | ||||
Exact match “Tecogen is a leading manufacturer of Combined Heat and Power products including natural gas engine-driven cogeneration, air conditioning systems and high efficiency water heaters…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 50 contacts → | ||||
Exact match “Houston-based Thermal Energy Corporation (TECO) is the energy behind what’s next on the campus of the Texas Medical Center (TMC), the world’s largest medical city.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 37 contacts → | ||||
Exact match “Detroit Thermal, L.L.C.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 30 contacts → | ||||
Exact match “Enginuity Power Systems is the leading innovator in highly efficient Combined Heat and Power (CHP) systems, which allow consumers to live their lives more sustainability…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 18 contacts → | ||||
Exact match “Hassler Heating and Air Conditioning, Inc.(HHAC) provides exceptional residential heating and cooling services with a focus on improving your homes energy efficiency.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 18 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 16 contacts → | ||||
Exact match “The International District Energy Association (IDEA) is a nonprofit industry association that is committed to building a faster path to net zero by advancing district energy, an…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “Aztech Geothermal, LLC offers a comprehensive solution for renewable geothermal heating and cooling systems in residential and commercial buildings with recognized expertise in…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 8 contacts → | ||||
Exact match “At Rochester District Heating (RDH) we are committed to the Rochester community, producing and delivering reliable, high quality steam since 1985.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “S and S Heating and Air Conditioning uses innovative equipment, emerging technology, and geothermal heating and cooling to provides the highest level of efficiency, affordability…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “The Hartford Steam Company heats and cools some of Hartford’s most prominent addresses – from the XL Center to Traveler’s Tower to Hartford Hospital.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “Atlantic Climate Designers specializes in custom, ultra high-efficiency hydronic heating and cooling solutions for residential, commercial, and institutional applications, while…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “C&M Heating & Cooling has served Middle TN for over 30 years!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “Telgen is an Indianapolis-based energy company focusing on the cogeneration of heat and power for industrial and commercial facilities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Every home should have a heat pump.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “We help industrial operators modernize aging CHP and WHP systems with high-efficiency, low-emissions replacements, designed to improve reliability, reduce carbon intensity, and…” Recorded in the RevenueBase company graph · Sep 19, 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 “district heating companies”. 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 19 of 37 district heating companies based in the United States
See the full list, filter by size, metro and specialty, and access 329 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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District heating companies based in the United States at a glance
As of Sep 19, 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 37 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 “district heating companies” 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 329 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 19, 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 “district heating companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many district heating companies are there based in the United States?
RevenueBase identified 37 company matches for district heating companies 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?
Vicinity Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most district heating companies?
Boston leads with 2 company records, followed by Cleveland (2) and Rochester (2).
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 329 professional contacts with verified work emails tracked across these 37 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 37 district heating companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
District heating companies by geography
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- District heating companies based in Germany
- District heating companies based in Italy
- District heating companies based in the Netherlands
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- District heating companies based in Poland
- District heating companies based in Sweden
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
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- Lists A-Z
- New lists
- District heating companies based in Belgium
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Company intelligence · public preview
Top 19 district heating companies 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 37 matching company records for district heating companies based in the United States, with 711 tracked contacts and 329 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 19 district heating companies 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 | Vicinity Energyvicinityenergy.us HQ: Boston, MA, United StatesReported employees: 501-1,000 | Boston, MA, United States | 501-1,000 | Exact match | 286 contacts → |
“Vicinity Energy is a leading district energy company that owns and operates the largest portfolio of district energy systems nationwide, providing steam, hot water, and chilled…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Tecogen INCtecogen.com HQ: North Billerica, MA, United StatesReported employees: 51-200 | North Billerica, MA, United States | 51-200 | Exact match | 64 contacts → |
“Tecogen is a leading manufacturer of Combined Heat and Power products including natural gas engine-driven cogeneration, air conditioning systems and high efficiency water heaters…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Thermal Energy Corporationtecothermalenergy.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 50 contacts → |
“Houston-based Thermal Energy Corporation (TECO) is the energy behind what’s next on the campus of the Texas Medical Center (TMC), the world’s largest medical city.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Detroit Thermal, LLCdetroitthermal.com HQ: Detroit, MI, United StatesReported employees: 11-50 | Detroit, MI, United States | 11-50 | Exact match | 37 contacts → |
“Detroit Thermal, L.L.C.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Enginuity Power Systemsenginuitypowersystems.com HQ: Alexandria, VA, United StatesReported employees: 11-50 | Alexandria, VA, United States | 11-50 | Exact match | 30 contacts → |
“Enginuity Power Systems is the leading innovator in highly efficient Combined Heat and Power (CHP) systems, which allow consumers to live their lives more sustainability…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hassler Heating And AIR Conditioninghasslerheating.com HQ: El Cerrito, CA, United StatesReported employees: 11-50 | El Cerrito, CA, United States | 11-50 | Exact match | 18 contacts → |
“Hassler Heating and Air Conditioning, Inc.(HHAC) provides exceptional residential heating and cooling services with a focus on improving your homes energy efficiency.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Hunt Utilities Grouphugllc.com HQ: Pine River, United StatesReported employees: 1-10 | Pine River, United States | 1-10 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | International District Energy Associationdistrictenergy.org HQ: Westborough, MA, United StatesReported employees: 1-10 | Westborough, MA, United States | 1-10 | Exact match | 16 contacts → |
“The International District Energy Association (IDEA) is a nonprofit industry association that is committed to building a faster path to net zero by advancing district energy, an…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aztech Geothermal, LLCaztechgeo.comHQ: Ballston Spa, NY, United StatesReported employees: 11-50 | Ballston Spa, NY, United States | 11-50 | Exact match | 10 contacts → |
“Aztech Geothermal, LLC offers a comprehensive solution for renewable geothermal heating and cooling systems in residential and commercial buildings with recognized expertise in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Rochester, NY, United StatesReported employees: 11-50 | Rochester, NY, United States | 11-50 | Exact match | 8 contacts → |
“At Rochester District Heating (RDH) we are committed to the Rochester community, producing and delivering reliable, high quality steam since 1985.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | S&s Heating And AIR Conditioningsshvacpa.com HQ: Norristown, PA, United StatesReported employees: 11-50 | Norristown, PA, United States | 11-50 | Exact match | 7 contacts → |
“S and S Heating and Air Conditioning uses innovative equipment, emerging technology, and geothermal heating and cooling to provides the highest level of efficiency, affordability…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hartford Steam Companyhartfordsteam.com HQ: Hartford, CT, United StatesReported employees: 11-50 | Hartford, CT, United States | 11-50 | Exact match | 6 contacts → |
“The Hartford Steam Company heats and cools some of Hartford’s most prominent addresses – from the XL Center to Traveler’s Tower to Hartford Hospital.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | EC Power INCecpower.com HQ: Smithfield, RI, United StatesReported employees: 1-10 | Smithfield, RI, United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Cleveland Thermal Energy Corporationclevelandthermal.com HQ: Cleveland, OH, United StatesReported employees: 1-10 | Cleveland, OH, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Atlantic Climate Designersatlanticclimate.com HQ: Boston, MA, United StatesReported employees: 1-10 | Boston, MA, United States | 1-10 | Exact match | 2 contacts → |
“Atlantic Climate Designers specializes in custom, ultra high-efficiency hydronic heating and cooling solutions for residential, commercial, and institutional applications, while…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | C & M Heating And Cooling, INCcmheatcool.com HQ: Franklin, TN, United StatesReported employees: 11-50 | Franklin, TN, United States | 11-50 | Exact match | 2 contacts → |
“C&M Heating & Cooling has served Middle TN for over 30 years!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Telgentelgen.com HQ: Indianapolis, IN, United StatesReported employees: 1-10 | Indianapolis, IN, United States | 1-10 | Exact match | 1 contacts → |
“Telgen is an Indianapolis-based energy company focusing on the cogeneration of heat and power for industrial and commercial facilities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  2040 Energy2040energy.comHQ: Bloomington, MN, United StatesReported employees: 1-10 | Bloomington, MN, United States | 1-10 | Exact match | 1 contacts → |
“Every home should have a heat pump.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Firm Power Solutionsfirmpowersolutions.com HQ: St. Paul, MN, United StatesReported employees: 1-10 | St. Paul, MN, United States | 1-10 | Exact match | 1 contacts → |
“We help industrial operators modernize aging CHP and WHP systems with high-efficiency, low-emissions replacements, designed to improve reliability, reduce carbon intensity, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 37 company matches
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District heating companies: dataset insights
September 19, 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
37 records in the displayed employee bands.
0 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 37 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 19, 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 district heating companies?
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 district heating companies did RevenueBase find based in the United States?
The saved snapshot records 37 matching company records, 711 tracked contacts and 329 verified emails. The public preview displays 19 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 19, 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
District heating companies by geography
- District heating companies based in Belgium
- District heating companies based in Canada
- District heating companies based in Czechia
- District heating companies based in Denmark
- District heating companies based in Finland
- District heating companies based in France
- District heating companies based in Germany
- District heating companies based in Italy
- District heating companies based in the Netherlands
- District heating companies based in Norway
- District heating companies based in Poland
- District heating companies based in Sweden
Cite this list
RevenueBase Data Team. Top 19 district heating companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/district-heating-companies/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
- District heating companies based in Belgium
- District heating companies based in Canada
- District heating companies based in Czechia
- District heating companies based in Denmark
- District heating companies based in Finland
- District heating companies based in France
Company intelligence · public preview
Top 19 district heating companies based in the United States
RevenueBase records 37 matching company records for district heating companies based in the United States, with 711 tracked contacts and 329 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 19 district heating companies 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 | Vicinity Energyvicinityenergy.us HQ: Boston, MA, United StatesReported employees: 501-1,000 | Boston, MA, United States | 501-1,000 | Exact match | 286 contacts → |
“Vicinity Energy is a leading district energy company that owns and operates the largest portfolio of district energy systems nationwide, providing steam, hot water, and chilled…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Tecogen INCtecogen.com HQ: North Billerica, MA, United StatesReported employees: 51-200 | North Billerica, MA, United States | 51-200 | Exact match | 64 contacts → |
“Tecogen is a leading manufacturer of Combined Heat and Power products including natural gas engine-driven cogeneration, air conditioning systems and high efficiency water heaters…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Thermal Energy Corporationtecothermalenergy.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 50 contacts → |
“Houston-based Thermal Energy Corporation (TECO) is the energy behind what’s next on the campus of the Texas Medical Center (TMC), the world’s largest medical city.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Detroit Thermal, LLCdetroitthermal.com HQ: Detroit, MI, United StatesReported employees: 11-50 | Detroit, MI, United States | 11-50 | Exact match | 37 contacts → |
“Detroit Thermal, L.L.C.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Enginuity Power Systemsenginuitypowersystems.com HQ: Alexandria, VA, United StatesReported employees: 11-50 | Alexandria, VA, United States | 11-50 | Exact match | 30 contacts → |
“Enginuity Power Systems is the leading innovator in highly efficient Combined Heat and Power (CHP) systems, which allow consumers to live their lives more sustainability…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hassler Heating And AIR Conditioninghasslerheating.com HQ: El Cerrito, CA, United StatesReported employees: 11-50 | El Cerrito, CA, United States | 11-50 | Exact match | 18 contacts → |
“Hassler Heating and Air Conditioning, Inc.(HHAC) provides exceptional residential heating and cooling services with a focus on improving your homes energy efficiency.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Hunt Utilities Grouphugllc.com HQ: Pine River, United StatesReported employees: 1-10 | Pine River, United States | 1-10 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | International District Energy Associationdistrictenergy.org HQ: Westborough, MA, United StatesReported employees: 1-10 | Westborough, MA, United States | 1-10 | Exact match | 16 contacts → |
“The International District Energy Association (IDEA) is a nonprofit industry association that is committed to building a faster path to net zero by advancing district energy, an…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aztech Geothermal, LLCaztechgeo.com HQ: Ballston Spa, NY, United StatesReported employees: 11-50 | Ballston Spa, NY, United States | 11-50 | Exact match | 10 contacts → |
“Aztech Geothermal, LLC offers a comprehensive solution for renewable geothermal heating and cooling systems in residential and commercial buildings with recognized expertise in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Rochester, NY, United StatesReported employees: 11-50 | Rochester, NY, United States | 11-50 | Exact match | 8 contacts → |
“At Rochester District Heating (RDH) we are committed to the Rochester community, producing and delivering reliable, high quality steam since 1985.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | S&s Heating And AIR Conditioningsshvacpa.com HQ: Norristown, PA, United StatesReported employees: 11-50 | Norristown, PA, United States | 11-50 | Exact match | 7 contacts → |
“S and S Heating and Air Conditioning uses innovative equipment, emerging technology, and geothermal heating and cooling to provides the highest level of efficiency, affordability…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hartford Steam Companyhartfordsteam.com HQ: Hartford, CT, United StatesReported employees: 11-50 | Hartford, CT, United States | 11-50 | Exact match | 6 contacts → |
“The Hartford Steam Company heats and cools some of Hartford’s most prominent addresses – from the XL Center to Traveler’s Tower to Hartford Hospital.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | EC Power INCecpower.com HQ: Smithfield, RI, United StatesReported employees: 1-10 | Smithfield, RI, United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Cleveland Thermal Energy Corporationclevelandthermal.com HQ: Cleveland, OH, United StatesReported employees: 1-10 | Cleveland, OH, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Atlantic Climate Designersatlanticclimate.com HQ: Boston, MA, United StatesReported employees: 1-10 | Boston, MA, United States | 1-10 | Exact match | 2 contacts → |
“Atlantic Climate Designers specializes in custom, ultra high-efficiency hydronic heating and cooling solutions for residential, commercial, and institutional applications, while…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | C & M Heating And Cooling, INCcmheatcool.com HQ: Franklin, TN, United StatesReported employees: 11-50 | Franklin, TN, United States | 11-50 | Exact match | 2 contacts → |
“C&M Heating & Cooling has served Middle TN for over 30 years!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Telgentelgen.com HQ: Indianapolis, IN, United StatesReported employees: 1-10 | Indianapolis, IN, United States | 1-10 | Exact match | 1 contacts → |
“Telgen is an Indianapolis-based energy company focusing on the cogeneration of heat and power for industrial and commercial facilities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 2040 Energy2040energy.com HQ: Bloomington, MN, United StatesReported employees: 1-10 | Bloomington, MN, United States | 1-10 | Exact match | 1 contacts → |
“Every home should have a heat pump.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Firm Power Solutionsfirmpowersolutions.com HQ: St. Paul, MN, United StatesReported employees: 1-10 | St. Paul, MN, United States | 1-10 | Exact match | 1 contacts → |
“We help industrial operators modernize aging CHP and WHP systems with high-efficiency, low-emissions replacements, designed to improve reliability, reduce carbon intensity, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 37 company matches
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District heating companies: dataset insights
September 19, 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
37 records in the displayed employee bands.
0 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 37 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 19, 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 district heating companies?
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 district heating companies did RevenueBase find based in the United States?
The saved snapshot records 37 matching company records, 711 tracked contacts and 329 verified emails. The public preview displays 19 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 19, 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
District heating companies by geography
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- District heating companies based in Denmark
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- District heating companies based in France
- District heating companies based in Germany
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- District heating companies based in Sweden
Cite this list
RevenueBase Data Team. Top 19 district heating companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/district-heating-companies/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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