The Largest HVACs in Illinois
3,184 active HVAC companies across Illinois, ranked two ways: by total locations and by revenue + popularity. The top of your lead list.
- 3,184 active HVAC companies across Illinois. 364 operate multiple locations; the rest are single-location independents.
- The top 9 by review count hold 65% of all Illinois HVAC companies reviews (803,189 of 1,231,778). Concentrated brand equity.
- 3 operators rank in both top-9 lists. The most valuable accounts to call: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, J. Blanton Plumbing, Roto-Rooter Plumbing And Drain Service.
Illinois HVAC companies by location count
Ranked by total locations operating across Illinois. 364 HVAC companies operate multiple locations the state; the top 9 are shown.
| Rank | HVAC | Locs | Reviews | Contacts |
|---|---|---|---|---|
| 01 |
Roto-Rooter Plumbing And Drain Service
Chicago · ★4.7
|
780 | 675,069 | 10+ contacts |
| 02 |
Regal Plumbers
Palatine · ★4.6
|
32 | 463 | 10+ contacts |
| 03 |
Master AC & Heating
Glen Ellyn · ★4.8
|
26 | 222 | 10+ contacts |
| 04 |
American Plumber
West Chicago · ★4.9
|
17 | 212 | 10+ contacts |
| 05 |
J. Blanton Plumbing
Chicago · ★4.8
|
16 | 8,003 | 10+ contacts |
| 06 |
Helm Group
Freeport · ★3.4
|
15 | 52 | 10+ contacts |
| 07 |
Sanco Thermo King - Rock Island
Rock Island · ★4.6
|
12 | 720 | 10+ contacts |
| 08 |
Edelman Heating, Cooling, Plumbing, Electric & Solar
Champaign · ★4.8
|
11 | 2,527 | 10+ contacts |
| 09 |
Four Seasons Heating, Air Conditioning, Plumbing, & Electric
Chicago · ★4.8
|
8 | 41,389 | 8 contacts |
Illinois HVAC companies by revenue and popularity
Ranked by total review count (popularity proxy). The top 9 collectively hold 65% of all Illinois HVAC companies reviews.
| Rank | HVAC | Reviews | Locs | Contacts |
|---|---|---|---|---|
| 01 |
Roto-Rooter Plumbing And Drain Service
Chicago · ★4.7
|
675,069 | 780 | 10+ contacts |
| 02 |
Four Seasons Heating, Air Conditioning, Plumbing, & Electric
Chicago · ★4.8
|
41,389 | 8 | 8 contacts |
| 03 |
Abc Plumbing, Sewer, Heating, Cooling & Electric
Arlington Heights · ★4.8
|
27,614 | 7 | 7 contacts |
| 04 |
Tr Miller Heating Cooling Plumbing & Electrical
Plainfield · ★4.9
|
14,061 | 3 | 5 contacts |
| 05 |
Precision Today
Carol Stream · ★4.8
|
11,044 | 5 | 10+ contacts |
| 06 |
Tiger Plumbing, Heating, Air Conditioning, & Electrical Services
Collinsville · ★4.7
|
10,160 | 5 | 4 contacts |
| 07 |
Morrison Plumbing, Heating, Air & Electrical
Caseyville · ★4.9
|
9,084 | 1 | 2 contacts |
| 08 |
J. Blanton Plumbing
Chicago · ★4.8
|
8,003 | 16 | 10+ contacts |
| 09 |
Black Diamond Plumbing And Mechanical
McHenry · ★4.4
|
6,765 | 2 | 3 contacts |
Methodology
Two independent rankings, no composite score. By location count: total locations operated across Illinois (the chains and aggregators). By revenue and popularity: total review count across web and social channels (the cleanest available popularity proxy). Each row rolls up one HVAC company across all their locations.
HVAC company records draw from 12+ public and private data sources, refresh weekly, and are independently verified against at least two of them, including state license rosters from the Illinois Medical Board and publicly available business records. Owner contacts come from a separate 20+ source scan and refresh monthly.
About Orbital
Orbital is the Zoominfo for companies selling to SMBs. Our platform enables companies to get their whole TAM (total addressable market) in a box, find contacts not on LinkedIn, and score accounts with custom ICP attributes. The HVAC company directory you're reading right now is one slice of that platform, covering every US metro and state. See why companies including Instacart, Classpass, and Jobber are using Orbital today.
Common questions
Why use review count as the popularity proxy?
HVAC company revenue is notoriously hard to find publicly: most HVAC companies are independent, privately held, and don't publish financials. Review count is the cleanest available proxy for size and how established a business is, so the HVAC companies with the most reviews are typically the ones running the most volume.
Where are most Illinois HVAC companies concentrated?
Top Illinois HVAC company clusters by review volume: Chicago, Arlington Heights, Plainfield, Carol Stream. Orbital tracks 3,184 active HVAC companies across the state. 364 of them operate multiple locations.
How many HVAC companies are in Illinois?
Orbital tracks 3,184 active HVAC companies across Illinois. 364 operate multiple locations, accounting for the bulk of locations across the state.
Who is this list for?
B2B vendors who sell into HVAC companies: equipment manufacturers, parts and refrigerant distributors, field service management software, fleet and dispatch software, capital providers, M&A brokers, marketing agencies, and professional services. It is not a consumer directory and is not optimised for booking appointments.
How do I get owner contact info (mobile phone, email) for these HVAC companies?
Every HVAC company on the list has verified owner / GM contacts available upon signing up with Orbital. You get mobile phones, work emails, and decision-maker titles, not generic front-desk numbers. Contact records come from a separate scan of 20+ public and private data sources, independently verified before unlock, and refreshed monthly.
How often does the data refresh?
HVAC company records refresh weekly. Contact records refresh monthly. New HVAC companies that pass two-source verification get added on the next refresh, and HVAC companies that drop signals get flagged in the platform but are not silently removed from list snapshots.
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