Company lists · Data refreshed September 2026

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

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 26 companies tracked

RevenueBase identified 26 company matches for energy efficient hvac contractors associated with Seattle, United States as of September 2026 and tracks 297 professional contacts across them, including 154 with verified work emails. Across the United States, Houston is the largest hub for this category (196 companies); Seattle has 26.

This list covers company matches for energy efficient hvac contractors associated with Seattle, 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

26Companies

297Contacts tracked

154Verified emails

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

Ranked by team size

Top 12 of 26 company matches for energy efficient hvac contractors based in Seattle, 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	ACI Mechanical & Hvac Sales	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	51-200	76 contacts →
	Exact match “ACI is the Pacific Northwest's vendor of choice for heating, ventilation, air distribution and filtration equipment since 1985.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Brennan Heating & AIR Conditioning	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	201-500	61 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 · Sep 16, 2026 · View company records in RevenueBase
3	ECO Electric, Plumbing, Heating & AIR	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	11-50	35 contacts →
	Exact match “Our skilled electricians, plumbers, and HVAC technicians are certified to handle all your home service needs, from repairs and safety inspections to new installations and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Mechanical Sales, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	11-50	22 contacts →
	Exact match “Incorporated in 1971, Mechanical Sales, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	EBD Services	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	11-50	21 contacts →
	Exact match “EBD Services is committed to serving our clients and community as trusted partners.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	AS YOU Wish Electric, Plumbing, Heating & AIR	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	51-200	18 contacts →
	Exact match “As You Wish Electric has been proudly serving Seattle and the Greater Puget Sound Area with top-rated electrical services since 2007.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Evergreen Refrigeration, LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	51-200	18 contacts →
	Exact match “Evergreen HVAC \| Evergreen specializes in commercial HVAC in the Puget Sound and area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	GO Green Heating & AIR Conditioning	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	1-10	9 contacts →
	Exact match “Where your family's comfort is our ideal." Go Green Heating & Air Conditioning is a Seattle -based HVAC company that has been established since 2015.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Integrity Energy Systems	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	11-50	8 contacts →
	Exact match “Integrity Energy Systems is a HVAC company based out of Seattle, Washington, in the United States of America.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Glendale Heating & AC	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Fischer Heating And AIR Conditioning	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	1-10	2 contacts →
	Exact match “Fischer Heating and Air Conditioning provides service for heating systems, and also caters to the proper maintenance of air conditioners to make sure houses, offices, and other…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Olson Energy Service	Exact match	Seattle, WA, United StatesHQ recorded Sep 16, 2026	11-50	1 contacts →
	Exact match “We're the greater Seattle area leader in gas heating, furnace repair and service, air conditioning and air purifying.” 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 26 energy efficient hvac contractors based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 154 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 16, 2026

51.9%Verified-email coverage

11.4Average contacts per company

11-50Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 26 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 Seattle, 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 154 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 Seattle, United States?

RevenueBase identified 26 company matches for energy efficient hvac contractors associated with Seattle, 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?

ACI Mechanical & Hvac Sales 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). Seattle has 26.

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 154 professional contacts with verified work emails tracked across these 26 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.