Company lists · Data refreshed September 2026

Top 25 Hvac contractors based in Wilmington, United States

Name: Hvac contractors based in Wilmington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 48 companies tracked

RevenueBase identified 48 company matches for hvac contractors associated with Wilmington, United States as of September 2026 and tracks 1,028 professional contacts across them, including 343 with verified work emails. Across the United States, Houston is the largest hub for this category (232 companies); Wilmington has 48.

This list covers company matches for hvac contractors associated with Wilmington, 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

48Companies

1,028Contacts tracked

343Verified emails

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The 25 largest hvac contractors based in Wilmington, United States

Ranked by team size

Top 25 of 48 company matches for hvac contractors based in Wilmington, 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	Horizon Services, LLC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 16, 2026	501-1,000	448 contacts →
	Exact match “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Homans Associates	Exact match	Wilmington, MA, United StatesHQ recorded Sep 16, 2026	201-500	233 contacts →
	Exact match “Homans Associates is the premier distributor of HVAC Equipment, Supplies and Mechanical Insulation products in the Northeast.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	ARC Mechanical	Exact match	Wilmington, MA, United StatesHQ recorded Sep 16, 2026	51-200	64 contacts →
	Exact match “Founded in 1996, ARC Mechanical offers a full range of commercial and industrial HVAC/R services, including 24/7 emergency response.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Breen & Sullivan Mechanical Services, INC	Exact match	Wilmington, MA, United StatesHQ recorded Sep 16, 2026	51-200	26 contacts →
	Exact match “Breen & Sullivan Mechanical Services provides electrical, plumbing, and HVAC services to commercial clients throughout the Boston area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	S. G. Torrice	Exact match	Wilmington, MA, United StatesHQ recorded Sep 16, 2026	51-200	26 contacts →
	Exact match “The S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	TA Woods, LLC	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	51-200	19 contacts →
	Exact match “TA Woods, LLC is the leading mechanical and plumbing contractor in Southeastern North Carolina.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Salt Air, INC	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	11-50	17 contacts →
	Exact match “Mechanical Contractor specializing in Variable Refrigerant, Make-Up Air, & Pool Dehumidification Systems.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	Ralph G Degli Obizzi & Sons	Exact match	Wilmington, DE, United StatesHQ recorded Sep 16, 2026	11-50	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	O'brien Service Company	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	51-200	16 contacts →
	Exact match “We are a locally owned & operated business established in 1981 to provide a complete range of heating & air conditioning services, from installation to repair & maintenance.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Building Systems & Services	Exact match	Wilmington, DE, United StatesHQ recorded Sep 16, 2026	11-50	15 contacts →
	Exact match “Building Systems & Services, Inc.(BSS) is a leading provider of commercial and industrial HVAC equipment, service and building automation systems.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Hentkowski, INC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 16, 2026	11-50	13 contacts →
	Exact match “At Hentkowski, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Hvac Starplus	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	11-50	11 contacts →
	Exact match “HVAC StarPlus is a full-service commercial heating, ventilation, air conditioning and refrigeration service contractor providing our clients with exceptional customer service…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	I D Griffith INC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 16, 2026	51-200	10 contacts →
	Exact match “I D Griffith Inc is Mechanical Contracting company located outside the City of Wilmington.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Thermaltran Mechanical	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	11-50	10 contacts →
	Exact match “ThermalTran Mechanical, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Airmax Heating And Cooling	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	11-50	9 contacts →
	Exact match “Airmax Heating & Cooling is a locally owned and operated certified Trane dealer.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Edward J. Deseta Company, INC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 16, 2026	51-200	9 contacts →
	Exact match “We have seen the transformation of the HVAC industry as it has progressed.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Green DOT Home Services	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	11-50	8 contacts →
	Exact match “When the summer heat is blazing or the winter cold has descended upon us, your personal comfort should not be compromised.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Down East Heating & AIR Conditioning INC	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	11-50	7 contacts →
	Exact match “Serving Jacksonville, NC area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Cochrane Ventilation, INC	Exact match	Wilmington, MA, United StatesHQ recorded Sep 16, 2026	11-50	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	AIR Support Heating And AIR	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	1-10	4 contacts →
	Exact match “Air Support Heating and Air is a veteran-owned and family-operated HVAC company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Total Construction Rentals	Exact match	Wilmington, DE, United StatesHQ recorded Sep 16, 2026	11-50	4 contacts →
	Exact match “Is your jobsite too hot or cold?” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Inline Mechanical LLC	Exact match	Wilmington, MA, United StatesHQ recorded Sep 16, 2026	11-50	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	Efficient AIR Heating & Cooling	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	1-10	3 contacts →
	Exact match “At Efficient Air Heating and Cooling, quality work and customer satisfaction are our top priorities.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Dixon's Service Company	Exact match	Wilmington, NC, United StatesHQ recorded Sep 16, 2026	11-50	2 contacts →
	Exact match “We install and maintain HVAC systems including heating and air conditioning systems, heat pumps, gas furnaces, and mini splits.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	Sobieski Enterprises	Exact match	Wilmington, DE, United StatesHQ recorded Sep 16, 2026	11-50	2 contacts →
	Exact match “Sobieski Inc.” 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 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 25 of 48 hvac contractors based in Wilmington, United States

See the full list, filter by size, metro and specialty, and access 343 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac contractors based in Wilmington, United States at a glance

As of Sep 16, 2026

33.4%Verified-email coverage

21.4Average contacts per company

11-50Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Wilmington, so it is reported there. Company counts and contact totals on this page are exact for Wilmington, over 48 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 Wilmington, United States whose business descriptions match “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 343 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 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 “hvac contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac contractors are there based in Wilmington, United States?

RevenueBase identified 48 company matches for hvac contractors associated with Wilmington, 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?

Horizon Services, LLC 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 contractors?

Houston leads the United States with 232 company records, followed by New York (166) and Phoenix (120). Wilmington has 48.

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 343 professional contacts with verified work emails tracked across these 48 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.