Company lists · Data refreshed September 2026

Top 12 Energy efficient hvac contractors based in Knoxville, United States

Name: Energy efficient hvac contractors based in Knoxville, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 35 companies tracked

RevenueBase identified 35 company matches for energy efficient hvac contractors associated with Knoxville, United States as of September 2026 and tracks 340 professional contacts across them, including 61 with verified work emails. Across the United States, Houston is the largest hub for this category (196 companies); Knoxville has 35.

This list covers company matches for energy efficient hvac contractors associated with Knoxville, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 16, 2026 How this list was built

35Companies

340Contacts tracked

61Verified emails

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The 12 largest energy efficient hvac contractors based in Knoxville, United States

Ranked by team size

Top 12 of 35 company matches for energy efficient hvac contractors based in Knoxville, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Fourseasons Incorporated	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	51-200	29 contacts →
	Exact match “FourSeasons Incorporated has been providing custom mechanical contracting solutions for over 98 years.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Pipe Wrench Plumbing, Heating & Cooling, INC	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	51-200	28 contacts →
	Exact match “Customers expect more from Pipe Wrench Plumbing, Heating & Cooling.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Del-Air Mechanical Contractors, INC	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	51-200	24 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Pioneer Heating And AIR Conditioning, INC	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	11-50	9 contacts →
	Exact match “Knoxville’s premiere heating and air conditioning company, Pioneer Heating and Air, has been in business since 1981.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Shoffnerkalthoff Mes, INC	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	201-500	7 contacts →
	Exact match “Headquartered in Knoxville, Tennessee, ShoffnerKalthoff MES, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Patriot Mechanical	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	11-50	7 contacts →
	Exact match “Chaffee HVAC and Patriot Mechanical Plumbing serve the residential and commercial heating, cooling and plumbing needs for Knoxville and the surrounding area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	HEP IS On The WAY	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	1-10	7 contacts →
	Exact match “Hep is on the Way!” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	Supply Mavericks	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	1-10	6 contacts →
	Exact match “At Supply Mavericks, we specialize in delivering high-performance HVAC solutions tailored specifically for the hospitality sector.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	John H. Coleman	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	51-200	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Bedinger Consulting Engineers, P.C	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	1-10	5 contacts →
	Exact match “Established in 1946, Albert F.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Services United INC	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Hvac 2 Home Performance	Exact match	Knoxville, TN, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match “HVAC 2 Home Performance specializes in Residential HVAC Design and Commissioning training for HVAC Contractors and Green Energy Raters.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “energy efficient hvac contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 12 of 35 energy efficient hvac contractors based in Knoxville, United States

See the full list, filter by size, metro and specialty, and access 61 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficient hvac contractors based in Knoxville, United States at a glance

As of Sep 16, 2026

17.9%Verified-email coverage

9.7Average contacts per company

11-50Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Knoxville, so it is reported there. Company counts and contact totals on this page are exact for Knoxville, over 35 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 Knoxville, United States whose business descriptions match “energy efficient hvac contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 61 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Energy efficient hvac contractors by metro in the United States

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 “energy efficient hvac contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficient hvac contractors are there based in Knoxville, United States?

RevenueBase identified 35 company matches for energy efficient hvac contractors associated with Knoxville, 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?

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

Which city in the United States has the most energy efficient hvac contractors?

Houston leads the United States with 196 company records, followed by New York (150) and Phoenix (101). Knoxville has 35.

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 61 professional contacts with verified work emails tracked across these 35 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

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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.