Company lists · Data refreshed October 2026

Top 25 Hvac design engineering firms based in Charlotte, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 14, 2026 55 companies tracked

RevenueBase identified 55 company matches for hvac design engineering firms associated with Charlotte, United States as of October 2026 and tracks 1,000 professional contacts across them, including 455 with verified work emails. Across the United States, New York is the largest hub for this category (182 companies); Charlotte has 55.

This list covers company matches for hvac design engineering firms associated with Charlotte, 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 14, 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 14, 2026 How this list was built

55Companies

1,000Contacts tracked

455Verified emails

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The 25 largest hvac design engineering firms based in Charlotte, United States

Ranked by team size

Top 25 of 55 company matches for hvac design engineering firms based in Charlotte, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 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	Zapata Group, INC Zapata	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	163 contacts →
	Exact match “ZAPATA is a full service architecture and engineering (A-E) and program/construction management firm.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2	MCI	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	152 contacts →
	Exact match “Since its establishment in 1948, Mechanical Contractors has been serving Charlotte, Raleigh and surrounding areas with design, installation and service of mechanical systems -…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
3	Optima Engineering	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	117 contacts →
	Exact match “Optima Engineering is a multi disciplined, professional engineering firm specializing in Mechanical, Electrical, Plumbing, Fire Protection, Low-Voltage design, Security…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4	STR Mechanical	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	56 contacts →
	Exact match “STR Mechanical is a full service Commercial HVAC Contractor who serves the Charlotte Metro region.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5	VP Engineering	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	52 contacts →
	Exact match “VP Engineering was founded in 2003 with a commitment to provide top quality Mechanical, Electrical and Plumbing Engineering services to clients throughout the United States.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6	United Mechanical Corporation	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	42 contacts →
	Exact match “For over 36 years, United Mechanical Corporation has been the Charlotte area’s leading mechanical contractor, providing single source HVAC solutions to the commercial and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7	Perigon International, INC	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	36 contacts →
	Exact match “Since our founding in 1982, Perigon International, Inc.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8	Hahn-Mason AIR Systems INC	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	35 contacts →
	Exact match “Hahn-Mason is a leading HVAC manufacturers representative, serving both the commercial and industrial markets throughout North and South Carolina and Virginia.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9	Action Mechanical Contractors INC	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	n/a	34 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10	E2 Mechanical & Industrial Refrigeration	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	23 contacts →
	Exact match “A MWBE certified HVAC and Industrial Refrigeration company focusing on construction, design build and service.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11	Charlotte Engineers, LLP	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	20 contacts →
	Exact match “Charlotte Engineers, LLP is a consulting engineering firm specializing in healthcare mechanical, plumbing, fire protection and electrical engineering design services and building…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12	Thermal Conditioning, INC	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	19 contacts →
	Exact match “A Data-Driven Approach that is Revolutionizing Commercial HVAC For years, HVAC management and repair has followed the same model.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13	Teeter Engineering Group, P.A	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	17 contacts →
	Exact match “Teeter Engineering Group, PA is a professional engineering firm that offers mechanical, plumbing, electrical, and fire protection consulting, design, and construction related…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14	TMG	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	14 contacts →
	Exact match “TMG Consulting Engineers, is a leader in providing controls engineering, commissioning, and operations & maintenance (O&M) services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15	Herlocker Mechanical Systems	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	51-200	13 contacts →
	Exact match “At Herlocker Mechanical Systems, we are market leaders relentless in our pursuit of value-based design, installation and repair solutions that redefine customer expectations…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16	PAGE	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	1-10	11 contacts →
	Exact match “Blank page” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
17	Wave Engineering, Pllc	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	9 contacts →
	Exact match “Wave Engineering began as a collaborative collision, individuals who were colleagues at past firms and share a common business and design philosophy.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
18	Modern AIR Design	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	8 contacts →
	Exact match “With over 50+ years of combined experience, Modern Air Design is one of the top Residential HVAC Contractors of the Carolinas.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
19	Wilde Engineering	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	1-10	8 contacts →
	Exact match “Wilde Engineering, PLLC is an engineering design firm specializing in industrial and commercial construction.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
20	Atom Engineering, Pllc	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	1-10	8 contacts →
	Exact match “Atom Engineering, PLLC is a full service professional electrical engineering firm located in Charlotte, North Carolina.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
21	Mcknight Smith Ward Griffin Engineers	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	5 contacts →
	Exact match “McKnight Smith Ward Griffin Engineers, Incorporated provides Mechanical, Plumbing, Fire Suppression and Electrical engineering services specializing in design and consultation in…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
22	Prime Comfort Hvac	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	11-50	5 contacts →
	Exact match “At Prime Comfort, we mean what we say.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
23	Alma Hvac	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	1-10	4 contacts →
	Exact match “Alma HVAC is a premier provider of heating, ventilation, and air conditioning solutions, specializing in commercial buildings.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
24	Monarch Air, Heat & Geothermal	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	1-10	3 contacts →
	Exact match “HVAC Contractor based out of Charlotte, North Carolina.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
25	Relevant Engineering	Exact match	Charlotte, NC, United StatesHQ recorded Oct 14, 2026	1-10	3 contacts →
	Exact match “Relevant Engineering provides healthcare-centric engineering design services to ensure each healthcare facility can provide the care that our loved ones may depend on.” 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 “hvac design 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 55 hvac design engineering firms based in Charlotte, United States

See the full list, filter by size, metro and specialty, and access 455 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac design engineering firms based in Charlotte, United States at a glance

As of Oct 14, 2026

45.5%Verified-email coverage

18.2Average contacts per company

11-50Median size (employees)

Oct 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

10001+

Email recency for this list is measured across the whole United States list rather than for Charlotte, so it is reported there. Company counts and contact totals on this page are exact for Charlotte, over 55 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 Charlotte, United States whose business descriptions match “hvac design 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 455 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.

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

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

RevenueBase identified 55 company matches for hvac design engineering firms associated with Charlotte, 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?

Zapata Group, INC Zapata 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 design engineering firms?

New York leads the United States with 182 company records, followed by Houston (152) and Miami (74). Charlotte has 55.

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 455 professional contacts with verified work emails tracked across these 55 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.

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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.