Company lists · Data refreshed October 2026
Top 25 High efficiency furnace manufacturers worldwide
RevenueBase identified 574 company matches for high efficiency furnace manufacturers worldwide as of October 2026 and tracks 4,845 professional contacts across them, including 1,177 with verified work emails. The United States is the largest market and Calgary the largest hub.
This list covers company matches for high efficiency furnace manufacturers worldwide, 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 October 14, 2026. Country and city lists for high efficiency furnace manufacturers follow the table.
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 high efficiency furnace manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 730 contacts → | ||||
Exact match “For over 100 years, Riello’s Energy For Life has been at the core of its industrial policy, guiding the company in the development of solutions designed to provide comfort and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 238 contacts → | ||||
Exact match “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 198 contacts → | ||||
Exact match “Nata negli anni 1925 come produttore di prodotti smaltati, dagli anni 70 Baxi è entrata nel settore HVAC con apparecchi domestici per il riscaldamento e la climatizzazione.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 130 contacts → | ||||
Exact match “ECR International, Inc.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 111 contacts → | ||||
Exact match “BRÖTJE efficient heating system technology.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 94 contacts → | ||||
Exact match “Vaillant Österreich bietet #energiesparende und #umweltschonende Systeme für #Heizen,#Kühlen und #Warmwasser.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 78 contacts → | ||||
Exact match “NTI is a manufacturer of residential and commercial heating equipment founded in Saint John, New Brunswick, Canada.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 76 contacts → | ||||
Exact match “Established in 1974, HTP Comfort Solutions LLC is a full-fledged manufacturer on the cutting edge of energy efficient space and water heating technology.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 71 contacts → | ||||
Exact match “ICE has been a HVAC manufacturer with two facilities in Canada with one in Winnipeg (since 1961) and Calgary (since 1991) and one in the USA, Tennessee (since 1993).” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 68 contacts → | ||||
Exact match “Founded in 2002, Alpine is a team of forward-thinking innovators working to provide intelligent heating and cooling solutions to homeowners in a way that:* Leads Americans away…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 64 contacts → | ||||
Exact match “Since 1987, Brennan Heating & Air Conditioning has served tens of thousands of satisfied customers throughout the Puget Sound region.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 60 contacts → | ||||
Exact match “Simply Green offers a wide range of options to help you get equipped with reliable, top-quality, high-efficiency heating and cooling systems.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 53 contacts → | ||||
Exact match “A Tradition of Comfort in Heating and Cooling Custom Air Conditioning and Heating has been providing both commercial and residential heating and cooling solutions for Columbus and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 46 contacts → | ||||
Exact match “Apen Group SpA, founded in 1967, is an Italian leading manufacturer of heating systems and offers a wide range of products: condensing boilers, suspended and floorstanding warm…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 43 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 43 contacts → | ||||
Exact match “Most homeowners juggle four different contractors for their home, one for HVAC, one for plumbing, one for electrical, one for emergencies.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 42 contacts → | ||||
Exact match “Industrial Combustion is a leading manufacturer of burners designed for commercial, industrial, and institutional applications.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 40 contacts → | ||||
Exact match “Endless Energy is a locally owned energy efficiency and HVAC company with over 40 years of service to our community.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 36 contacts → | ||||
Exact match “Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 32 contacts → | ||||
Exact match “Since 1996, our high-quality products, commitment to UK manufacturing and outstanding customer service have put us at the forefront of the heating and ventilation industry.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 32 contacts → | ||||
Exact match “Since 1946, All Temp Heating & Air Conditioning, Inc.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 30 contacts → | ||||
Exact match “Die MHG Heiztechnik GmbH aus Buchholz liefert schon seit 1927 Innovationen in Sachen Heizung.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 26 contacts → | ||||
Exact match “Sunset Heating & Cooling is a family-owned company that has provided Portland residents the very best HVAC service and products since 1922.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 26 contacts → | ||||
Exact match “Alliance Climate Control is dedicated to your year round comfort and life style.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 22 contacts → | ||||
Exact match “JPS Furnace and Air Conditioning is locally owned and operated right here in Calgary.” Recorded in the RevenueBase company graph · Oct 14, 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 “high efficiency furnace manufacturers”. 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 574 high efficiency furnace manufacturers worldwide
See the full list, filter by size, metro and specialty, and access 1,177 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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High efficiency furnace manufacturers worldwide at a glance
As of Oct 14, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for high efficiency furnace manufacturers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “high efficiency furnace manufacturers” 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. 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 1,177 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 October 14, 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.
High efficiency furnace manufacturers by location
2 lists · largest firstEvery High efficiency furnace manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “high efficiency furnace manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many high efficiency furnace manufacturers are there worldwide?
RevenueBase identified 574 company matches for high efficiency furnace manufacturers worldwide as of October 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?
Riello tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most high efficiency furnace manufacturers?
The United States leads with 295 companies, followed by Canada (101). Every high efficiency furnace manufacturers list by country and city is linked on this page.
Which city has the most high efficiency furnace manufacturers?
Calgary leads with 8 company records, followed by Toronto (6) and Richmond Hill (4).
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 1,177 professional contacts with verified work emails tracked across these 574 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 October 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 574 high efficiency furnace manufacturers worldwide. Start with a free account, no credit card.
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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
Company intelligence · public preview
Top 25 high efficiency furnace manufacturers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 574 matching company records for high efficiency furnace manufacturers worldwide, with 4,845 tracked contacts and 1,177 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: October 14, 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 high efficiency furnace manufacturers worldwide
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 | Rielloriello.com HQ: Legnago, ItalyReported employees: 1,001-5,000 | Legnago, Italy | 1,001-5,000 | Exact match | 730 contacts → |
“For over 100 years, Riello’s Energy For Life has been at the core of its industrial policy, guiding the company in the development of solutions designed to provide comfort and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Airtron Heating & AIR Conditioningairtron.comHQ: Columbus, OH, United StatesReported employees: 1,001-5,000 | Columbus, OH, United States | 1,001-5,000 | Exact match | 238 contacts → |
“Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Baxi Italiabaxi.itHQ: Bassano Del Grappa, ItalyReported employees: 501-1,000 | Bassano Del Grappa, Italy | 501-1,000 | Exact match | 198 contacts → |
“Nata negli anni 1925 come produttore di prodotti smaltati, dagli anni 70 Baxi è entrata nel settore HVAC con apparecchi domestici per il riscaldamento e la climatizzazione.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ECR Internationalecrinternational.com HQ: Utica, United StatesReported employees: 201-500 | Utica, United States | 201-500 | Exact match | 130 contacts → |
“ECR International, Inc.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  August Brötje Gmbhbroetje.deHQ: Rastede, GermanyReported employees: 201-500 | Rastede, Germany | 201-500 | Exact match | 111 contacts → |
“BRÖTJE efficient heating system technology.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Vaillant Österreichvaillant.at HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 94 contacts → |
“Vaillant Österreich bietet #energiesparende und #umweltschonende Systeme für #Heizen,#Kühlen und #Warmwasser.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | NTI Boilersntiboilers.com HQ: Saint John, NB, CanadaReported employees: 51-200 | Saint John, NB, Canada | 51-200 | Exact match | 78 contacts → |
“NTI is a manufacturer of residential and commercial heating equipment founded in Saint John, New Brunswick, Canada.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HTP Comfort Solutionshtproducts.com HQ: New Bedford, MA, United StatesReported employees: 51-200 | New Bedford, MA, United States | 51-200 | Exact match | 76 contacts → |
“Established in 1974, HTP Comfort Solutions LLC is a full-fledged manufacturer on the cutting edge of energy efficient space and water heating technology.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  ICE Western Salesicewestern.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 71 contacts → |
“ICE has been a HVAC manufacturer with two facilities in Canada with one in Winnipeg (since 1961) and Calgary (since 1991) and one in the USA, Tennessee (since 1993).” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Alpine Home AIRalpinehomeair.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 68 contacts → |
“Founded in 2002, Alpine is a team of forward-thinking innovators working to provide intelligent heating and cooling solutions to homeowners in a way that:* Leads Americans away…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Brennan Heating & AIR Conditioningbrennanheating.comHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 64 contacts → |
“Since 1987, Brennan Heating & Air Conditioning has served tens of thousands of satisfied customers throughout the Puget Sound region.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Simply Green Home Services INCmysimplygreen.comHQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 60 contacts → |
“Simply Green offers a wide range of options to help you get equipped with reliable, top-quality, high-efficiency heating and cooling systems.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Custom AIR Conditioning And Heatingcustomairco.comHQ: Columbus, United StatesReported employees: 51-200 | Columbus, United States | 51-200 | Exact match | 53 contacts → |
“A Tradition of Comfort in Heating and Cooling Custom Air Conditioning and Heating has been providing both commercial and residential heating and cooling solutions for Columbus and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Apen Group SPAapengroup.comHQ: Pessano Con Bornago, United StatesReported employees: 51-200 | Pessano Con Bornago, United States | 51-200 | Exact match | 46 contacts → |
“Apen Group SpA, founded in 1967, is an Italian leading manufacturer of heating systems and offers a wide range of products: condensing boilers, suspended and floorstanding warm…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Greens Energy Services, INCgreensenergy.comHQ: Orlando, FL, United StatesReported employees: 51-200 | Orlando, FL, United States | 51-200 | Exact match | 43 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | HQ: Woodinville, WA, United StatesReported employees: 51-200 | Woodinville, WA, United States | 51-200 | Exact match | 43 contacts → |
“Most homeowners juggle four different contractors for their home, one for HVAC, one for plumbing, one for electrical, one for emergencies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Industrial Combustionind-comb.com HQ: Monroe, WI, United StatesReported employees: 51-200 | Monroe, WI, United States | 51-200 | Exact match | 42 contacts → |
“Industrial Combustion is a leading manufacturer of burners designed for commercial, industrial, and institutional applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Endless Energygoendlessenergy.com HQ: Marlborough, MA, United StatesReported employees: 51-200 | Marlborough, MA, United States | 51-200 | Exact match | 40 contacts → |
“Endless Energy is a locally owned energy efficiency and HVAC company with over 40 years of service to our community.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Lochinvar, UKlochinvar.ltd.uk HQ: Banbury, United KingdomReported employees: 11-50 | Banbury, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  AIR Vent Technologyairventtechnology.co.ukHQ: Andover, United KingdomReported employees: 11-50 | Andover, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Since 1996, our high-quality products, commitment to UK manufacturing and outstanding customer service have put us at the forefront of the heating and ventilation industry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ALL Temp Heating & AIR Conditioningalltemp.net HQ: Wauconda, IL, United StatesReported employees: 51-200 | Wauconda, IL, United States | 51-200 | Exact match | 32 contacts → |
“Since 1946, All Temp Heating & Air Conditioning, Inc.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | MHG Heiztechnik Gmbhmhg.de HQ: Buchholz I. D. N., GermanyReported employees: 51-200 | Buchholz I. D. N., Germany | 51-200 | Exact match | 30 contacts → |
“Die MHG Heiztechnik GmbH aus Buchholz liefert schon seit 1927 Innovationen in Sachen Heizung.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sunset Heating & Cooling Electricalsunsethc.comHQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 26 contacts → |
“Sunset Heating & Cooling is a family-owned company that has provided Portland residents the very best HVAC service and products since 1922.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Alliance Climate Controlalliancecc.com.auHQ: Alexandria, AustraliaReported employees: 51-200 | Alexandria, Australia | 51-200 | Exact match | 26 contacts → |
“Alliance Climate Control is dedicated to your year round comfort and life style.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  JPS Furnace & AIR Conditioningjpsfurnace.caHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 22 contacts → |
“JPS Furnace and Air Conditioning is locally owned and operated right here in Calgary.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 574 company matches
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High efficiency furnace manufacturers: dataset insights
October 14, 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
562 records in the displayed employee bands.
12 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 574 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: October 14, 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 ↗
High efficiency furnace manufacturers by location
2 lists · largest firstEvery High efficiency furnace manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for high efficiency furnace manufacturers?
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 high efficiency furnace manufacturers did RevenueBase find worldwide?
The saved snapshot records 574 matching company records, 4,845 tracked contacts and 1,177 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: October 14, 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
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Cite this list
RevenueBase Data Team. Top 25 high efficiency furnace manufacturers worldwide. Snapshot: October 14, 2026. https://revenuebase.ai/companies/browse/high-efficiency-furnace-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 high efficiency furnace manufacturers worldwide
RevenueBase records 574 matching company records for high efficiency furnace manufacturers worldwide, with 4,845 tracked contacts and 1,177 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: October 14, 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 high efficiency furnace manufacturers worldwide
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 | Rielloriello.com HQ: Legnago, ItalyReported employees: 1,001-5,000 | Legnago, Italy | 1,001-5,000 | Exact match | 730 contacts → |
“For over 100 years, Riello’s Energy For Life has been at the core of its industrial policy, guiding the company in the development of solutions designed to provide comfort and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Airtron Heating & AIR Conditioningairtron.com HQ: Columbus, OH, United StatesReported employees: 1,001-5,000 | Columbus, OH, United States | 1,001-5,000 | Exact match | 238 contacts → |
“Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Baxi Italiabaxi.it HQ: Bassano Del Grappa, ItalyReported employees: 501-1,000 | Bassano Del Grappa, Italy | 501-1,000 | Exact match | 198 contacts → |
“Nata negli anni 1925 come produttore di prodotti smaltati, dagli anni 70 Baxi è entrata nel settore HVAC con apparecchi domestici per il riscaldamento e la climatizzazione.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ECR Internationalecrinternational.com HQ: Utica, United StatesReported employees: 201-500 | Utica, United States | 201-500 | Exact match | 130 contacts → |
“ECR International, Inc.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | August Brötje Gmbhbroetje.de HQ: Rastede, GermanyReported employees: 201-500 | Rastede, Germany | 201-500 | Exact match | 111 contacts → |
“BRÖTJE efficient heating system technology.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Vaillant Österreichvaillant.at HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 94 contacts → |
“Vaillant Österreich bietet #energiesparende und #umweltschonende Systeme für #Heizen,#Kühlen und #Warmwasser.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | NTI Boilersntiboilers.com HQ: Saint John, NB, CanadaReported employees: 51-200 | Saint John, NB, Canada | 51-200 | Exact match | 78 contacts → |
“NTI is a manufacturer of residential and commercial heating equipment founded in Saint John, New Brunswick, Canada.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HTP Comfort Solutionshtproducts.com HQ: New Bedford, MA, United StatesReported employees: 51-200 | New Bedford, MA, United States | 51-200 | Exact match | 76 contacts → |
“Established in 1974, HTP Comfort Solutions LLC is a full-fledged manufacturer on the cutting edge of energy efficient space and water heating technology.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ICE Western Salesicewestern.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 71 contacts → |
“ICE has been a HVAC manufacturer with two facilities in Canada with one in Winnipeg (since 1961) and Calgary (since 1991) and one in the USA, Tennessee (since 1993).” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Alpine Home AIRalpinehomeair.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 68 contacts → |
“Founded in 2002, Alpine is a team of forward-thinking innovators working to provide intelligent heating and cooling solutions to homeowners in a way that:* Leads Americans away…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Brennan Heating & AIR Conditioningbrennanheating.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 64 contacts → |
“Since 1987, Brennan Heating & Air Conditioning has served tens of thousands of satisfied customers throughout the Puget Sound region.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Simply Green Home Services INCmysimplygreen.com HQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 60 contacts → |
“Simply Green offers a wide range of options to help you get equipped with reliable, top-quality, high-efficiency heating and cooling systems.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Custom AIR Conditioning And Heatingcustomairco.com HQ: Columbus, United StatesReported employees: 51-200 | Columbus, United States | 51-200 | Exact match | 53 contacts → |
“A Tradition of Comfort in Heating and Cooling Custom Air Conditioning and Heating has been providing both commercial and residential heating and cooling solutions for Columbus and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Apen Group SPAapengroup.com HQ: Pessano Con Bornago, United StatesReported employees: 51-200 | Pessano Con Bornago, United States | 51-200 | Exact match | 46 contacts → |
“Apen Group SpA, founded in 1967, is an Italian leading manufacturer of heating systems and offers a wide range of products: condensing boilers, suspended and floorstanding warm…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Greens Energy Services, INCgreensenergy.com HQ: Orlando, FL, United StatesReported employees: 51-200 | Orlando, FL, United States | 51-200 | Exact match | 43 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | HQ: Woodinville, WA, United StatesReported employees: 51-200 | Woodinville, WA, United States | 51-200 | Exact match | 43 contacts → |
“Most homeowners juggle four different contractors for their home, one for HVAC, one for plumbing, one for electrical, one for emergencies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Industrial Combustionind-comb.com HQ: Monroe, WI, United StatesReported employees: 51-200 | Monroe, WI, United States | 51-200 | Exact match | 42 contacts → |
“Industrial Combustion is a leading manufacturer of burners designed for commercial, industrial, and institutional applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Endless Energygoendlessenergy.com HQ: Marlborough, MA, United StatesReported employees: 51-200 | Marlborough, MA, United States | 51-200 | Exact match | 40 contacts → |
“Endless Energy is a locally owned energy efficiency and HVAC company with over 40 years of service to our community.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Lochinvar, UKlochinvar.ltd.uk HQ: Banbury, United KingdomReported employees: 11-50 | Banbury, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | AIR Vent Technologyairventtechnology.co.uk HQ: Andover, United KingdomReported employees: 11-50 | Andover, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Since 1996, our high-quality products, commitment to UK manufacturing and outstanding customer service have put us at the forefront of the heating and ventilation industry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ALL Temp Heating & AIR Conditioningalltemp.net HQ: Wauconda, IL, United StatesReported employees: 51-200 | Wauconda, IL, United States | 51-200 | Exact match | 32 contacts → |
“Since 1946, All Temp Heating & Air Conditioning, Inc.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | MHG Heiztechnik Gmbhmhg.de HQ: Buchholz I. D. N., GermanyReported employees: 51-200 | Buchholz I. D. N., Germany | 51-200 | Exact match | 30 contacts → |
“Die MHG Heiztechnik GmbH aus Buchholz liefert schon seit 1927 Innovationen in Sachen Heizung.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sunset Heating & Cooling Electricalsunsethc.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 26 contacts → |
“Sunset Heating & Cooling is a family-owned company that has provided Portland residents the very best HVAC service and products since 1922.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Alliance Climate Controlalliancecc.com.au HQ: Alexandria, AustraliaReported employees: 51-200 | Alexandria, Australia | 51-200 | Exact match | 26 contacts → |
“Alliance Climate Control is dedicated to your year round comfort and life style.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | JPS Furnace & AIR Conditioningjpsfurnace.ca HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 22 contacts → |
“JPS Furnace and Air Conditioning is locally owned and operated right here in Calgary.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 574 company matches
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High efficiency furnace manufacturers: dataset insights
October 14, 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
562 records in the displayed employee bands.
12 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 574 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: October 14, 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 ↗
High efficiency furnace manufacturers by location
2 lists · largest firstEvery High efficiency furnace manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for high efficiency furnace manufacturers?
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 high efficiency furnace manufacturers did RevenueBase find worldwide?
The saved snapshot records 574 matching company records, 4,845 tracked contacts and 1,177 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: October 14, 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
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Cite this list
RevenueBase Data Team. Top 25 high efficiency furnace manufacturers worldwide. Snapshot: October 14, 2026. https://revenuebase.ai/companies/browse/high-efficiency-furnace-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗