Company lists · Data refreshed October 2026

Top 25 Geothermal heat exchanger manufacturers based in the United States

RevenueBase identified 142 company matches for geothermal heat exchanger manufacturers associated with the United States as of October 2026 and tracks 2,874 professional contacts across them, including 1,150 with verified work emails. Houston is the largest hub.

This list covers company matches for geothermal heat exchanger manufacturers 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 October 13, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 13, 2026 How this list was built
142Companies
2,874Contacts tracked
1,150Verified emails
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The 25 largest geothermal heat exchanger manufacturers based in the United States

Ranked by team size
Top 25 of 142 company matches for geothermal heat exchanger manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Oct 13, 2026501-1,000479 contacts →

Exact match

“Tranter is a global engineering and manufacturing group specializing in thermal management in the process industries, district heating and within the building envelope.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchBuffalo, NY, United StatesHQ recorded Oct 13, 20261,001-5,000379 contacts →

Exact match

“API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchLa Palma, CA, United StatesHQ recorded Oct 13, 2026201-500233 contacts →

Exact match

“At TEi, we help the power and process industries operate safely, sustainably, and without costly downtime.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchFort Wayne, IN, United StatesHQ recorded Oct 13, 2026201-500225 contacts →

Exact match

“WaterFurnace International, Inc.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchMebane, NC, United StatesHQ recorded Oct 13, 20261,001-5,000180 contacts →

Exact match

“Since 1919, the AKG Group has been a leading manufacturer of heat exchangers.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchMount Kisco, NY, United StatesHQ recorded Oct 13, 202651-200130 contacts →

Exact match

“Dandelion Energy is the nation’s leading residential geothermal provider, on a mission to make the world’s most efficient heating and cooling technology accessible to everyone.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchFairborn, OH, United StatesHQ recorded Oct 13, 2026201-500127 contacts →

Exact match

“Since 1980, WCR Incorporated has been dedicated to helping our customers prolong the life of their heat exchangers with the largest parts inventory in North America and a…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchNewton, NC, United StatesHQ recorded Oct 13, 202651-20081 contacts →

Exact match

“Turbotec, an OEM manufacturer and established, specialist engineering business, produces a diverse range of high performance heat exchangers for virtually any space conditioning…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchGreenville, IL, United StatesHQ recorded Oct 13, 202651-20076 contacts →

Exact match

“Enertech Global is a leading manufacturer and visionary in the geothermal heating and cooling industry.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchNew Brighton, MN, United StatesHQ recorded Oct 13, 202611-5052 contacts →

Exact match

“Darcy Solutions is on a mission to put Geothermal Everywhere.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchTowaco, NJ, United StatesHQ recorded Oct 13, 202651-20044 contacts →

Exact match

“Diversified Heat Transfer (DHT), is a leading engineering and manufacturing company of heat exchange equipment and systems for the residential, commercial, and industrial markets.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchTulsa, OK, United StatesHQ recorded Oct 13, 202651-20033 contacts →

Exact match

“TEK-FINS is the leading engineering design & manufacturer of the largest air cooled heat exchangers to ship assembled in North America & Canada today.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchPalo Alto, CA, United StatesHQ recorded Oct 13, 202611-5033 contacts →

Exact match

“XGS Energy is a geothermal energy company founded and headquartered in Palo Alto, CA.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchMedford, WI, United StatesHQ recorded Oct 13, 202651-20028 contacts →

Exact match

“Enerquip has been a trusted provider of American-made sanitary and industrial heating and cooling solutions since 1985.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchGrand Rapids, MI, United StatesHQ recorded Oct 13, 202611-5028 contacts →

Exact match

“Geothermal Systems are becoming a critical component in the effort to make buildings more environmentally friendly.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchDutton, MI, United StatesHQ recorded Oct 13, 202611-5027 contacts →

Exact match

“At Fisen, we foster innovation to supply you with cutting edge heating and cooling solutions, from controls through energy recovery.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchAustin, TX, United StatesHQ recorded Oct 13, 202611-5027 contacts →

Exact match

“Our mission is to transform the heating & cooling of buildings, using geothermal energy to radically reduce costs for people and the environment.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchReno, NV, United StatesHQ recorded Oct 13, 202611-5024 contacts →

Exact match

“Open Mountain Energy combines its geothermal and project development expertise with Kaishan Group's power plant technologies and manufacturing to form a cutting-edge industry…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchEnglewood, FL, United StatesHQ recorded Oct 13, 202611-5023 contacts →

Exact match

“Offering high quality, Energy Efficient and Eco-Friendly Geothermal Pool / Spa Heating & Cooling as well as Geothermal Air Conditioning in the whole state of Florida.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchPortsmouth, NH, United StatesHQ recorded Oct 13, 202611-5018 contacts →

Exact match

“Heat Recovery Innovations was spun out of FlexEnergy to focus on high-temperature heat recovery for the fuel cell, carbon capture, emissions reduction, energy storage, and…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchAuburn, WA, United StatesHQ recorded Oct 13, 202611-5017 contacts →

Exact match

“Thermaline has been an innovator in high-quality, custom-designed heat exchanger manufacturing for over 30 years.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchGrand Prairie, TX, United StatesHQ recorded Oct 13, 20261-1016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchBaltimore, MD, United StatesHQ recorded Oct 13, 202611-5013 contacts →

Exact match

“In the 30 years of operation, Chesapeake Geosystems has earned a reputation as a geothermal contracting firm that delivers projects on time and on budget.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchHampstead, NH, United StatesHQ recorded Oct 13, 202611-5012 contacts →

Exact match

“Water Energy Distributors, Inc, is the northeast leader in the geothermal HVAC industry.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchWichita Falls, TX, United StatesHQ recorded Oct 13, 202651-20011 contacts →

Exact match

“Acquired from Tranter, Inc, we are the global manufacturer of the PLATECOIL, ECONOCOIL and MaxChanger heat exchanger product lines.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 142 geothermal heat exchanger manufacturers based in the United States

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Geothermal heat exchanger manufacturers based in the United States at a glance

As of Oct 13, 2026
40.0%Verified-email coverage
20.2Average contacts per company
11-50Median size (employees)
4.2%Largest-city concentration · Houston
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
59
11-50
55
51-200
19
201-500
4
501-1,000
1
1,001-5,000
3
5,001-10,000
1

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 142 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 “geothermal heat exchanger 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. 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 1,150 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 13, 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 “geothermal heat exchanger manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal heat exchanger manufacturers are there based in the United States?

RevenueBase identified 142 company matches for geothermal heat exchanger manufacturers associated with the United States 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?

Tranter tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most geothermal heat exchanger manufacturers?

Houston leads with 6 company records, followed by Duncannon (3) and Auburn (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 1,150 professional contacts with verified work emails tracked across these 142 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 13, 2026.

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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.