Company lists · Data refreshed September 2026

Top 25 Hvac engineering firms based in Portland, United States

Name: Hvac engineering firms based in Portland, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 46 companies tracked

RevenueBase identified 46 company matches for hvac engineering firms associated with Portland, United States as of September 2026 and tracks 1,701 professional contacts across them, including 659 with verified work emails. Across the United States, Houston is the largest hub for this category (203 companies); Portland has 46.

This list covers company matches for hvac engineering firms associated with Portland, 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

46Companies

1,701Contacts tracked

659Verified emails

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The 25 largest hvac engineering firms based in Portland, United States

Ranked by team size

Top 25 of 46 company matches for hvac engineering firms based in Portland, 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	PAE	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	201-500	744 contacts →
	Exact match “PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Interface Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	201-500	259 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Allied Engineering	Exact match	Portland, ME, United StatesHQ recorded Sep 16, 2026	11-50	135 contacts →
	Exact match “Allied Engineering (AEI) is now Salas O'Brien.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Alliant Systems	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	201-500	116 contacts →
	Exact match “Alliant Systems is a leading mechanical contractor in the Pacific Northwest.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	American Heating INC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	201-500	69 contacts →
	Exact match “American Heating, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Hunter-Davisson, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	51-200	68 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Johnson AIR Products	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	51-200	42 contacts →
	Exact match “Wholesale Distributor and Manufacturer's Representative of Heating, Ventilation & Air Conditioning (HVAC) Systems.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	Pyramid Heating & Cooling	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	31 contacts →
	Exact match “Since 2004, Pyramid Heating & Cooling has been focused on one goal: improving lives through ideal indoor environments.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	SUN Glow Heating, AIR Conditioning, Plumbing & Electrical	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	27 contacts →
	Exact match “Sun Glow Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Sunset Heating & Cooling Electrical	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	24 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 · Sep 16, 2026 · View company records in RevenueBase
11	W.H. Demmons, INC	Exact match	Portland, ME, United StatesHQ recorded Sep 16, 2026	11-50	18 contacts →
	Exact match “W.H.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Mechanical Services, Inc. Maine Controls	Exact match	Portland, ME, United StatesHQ recorded Sep 16, 2026	51-200	16 contacts →
	Exact match “Mechanical Services offers a complete range of services to ensure that the indoor environments of our clients’ buildings are healthy, comfortable and energy efficient.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Caliber Plumbing & Mechanical INC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	51-200	15 contacts →
	Exact match “Locally owned and operated, Caliber Plumbing & Mechanical has been offering the highest level of plumbing and mechanical work for the Portland area for over 10 years.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Columbia NW Heating & AIR Conditioning	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	15 contacts →
	Exact match “Heating and Cooling systems are our business.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Carter Mechanical	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	12 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Climate Control Hvac	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	11 contacts →
	Exact match “From our beginning in 1989 until today, Climate Control has been providing the highest quality of heating and cooling services for Portland, OR.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	System Design Consultants, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	9 contacts →
	Exact match “System Design Consultants, Inc.(SDC), is celebrating 35 years in the Portland design community, providing mechanical and electrical engineering services for commercial and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Integrity Air, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	9 contacts →
	Exact match “Integrity Air, LLC is a locally owned and operated HVAC company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Livermore Architecture & Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	11-50	7 contacts →
	Exact match “Founded in by Gary Livermore, a dually licensed architect and structural engineer, LAE has made a mark both in Oregon and throughout the United States as an effective commercial…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	HMS Commercial Service, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	51-200	6 contacts →
	Exact match “HMS was founded in 1983 with principles that are customer first, meaning we believe that serving our customer is the most important thing.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Columbia Heating And Cooling	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	1-10	4 contacts →
	Exact match “Columbia Heating and Cooling is a mechanical or industrial engineering company based out of P.O.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Milwaukie Heating & Cooling	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	Orbit Heating And Cooling LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 16, 2026	1-10	3 contacts →
	Exact match “Orbit provides the Portland area with residential HVAC (heating, ventilation, and air conditioning) services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Enertec Heating & Cooling	Exact match	Portland, ME, United StatesHQ recorded Sep 16, 2026	1-10	2 contacts →
	Exact match “Enertec; an HVAC company that has been serving Southern Maine for a number of years.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	CC Mechanical	Exact match	Portland, ME, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match “CC Mechanical is a standard and licensed HVAC installation, servicing and maintenance company located in Portland, Maine.” 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 “hvac engineering firms”. 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 46 hvac engineering firms based in Portland, United States

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Hvac engineering firms based in Portland, United States at a glance

As of Sep 16, 2026

38.7%Verified-email coverage

37.0Average 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 Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 46 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 Portland, United States whose business descriptions match “hvac engineering firms” 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 659 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.

Hvac engineering firms 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 “hvac engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac engineering firms are there based in Portland, United States?

RevenueBase identified 46 company matches for hvac engineering firms associated with Portland, 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?

PAE 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 hvac engineering firms?

Houston leads the United States with 203 company records, followed by New York (199) and San Antonio (95). Portland has 46.

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 659 professional contacts with verified work emails tracked across these 46 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.