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Chicago, Illinois · HVAC

HVAC contractors in Chicago, IL

615 HVAC contractors in Chicago, out of 658 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
615
Avg. score
46.7
Scored
391

Summary

Data last updated

As of October 15, 2026, the ProComfort Registry lists 615 HVAC contractors in Chicago, Illinois. Most-listed specialties: heating & furnaces (507), air conditioning (430), commercial (24), ductwork & IAQ (20). 391 have enough public signals for a Registry Score, averaging 46.7 out of 100; 72 score 70 or higher. Together they hold 58,110 public reviews on Google, Yelp and Facebook. The highest-scored is Chatham Comfort Controls Heating and Air Conditioning, at 91 out of 100. 122 are Featured for 2026. View Chatham Comfort Controls Heating and Air Conditioning.

Counts come straight from the Registry's records. How the Registry Score works

Showing 1–20 of 615

HVAC contractors in Chicago: at a glance

How many HVAC contractors are in Chicago, Illinois?
As of October 15, 2026, the ProComfort Registry lists 615 HVAC contractors in Chicago, Illinois.
Who is the highest-scored HVAC contractor in Chicago, Illinois?
By Registry Score, Chatham Comfort Controls Heating and Air Conditioning (Chicago, IL) ranks first at 91 out of 100, among 391 scored businesses averaging 46.7. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
Which companies are featured in Chicago, Illinois for 2026?
ProComfort Registry features Chicago HVAC Repair Doctor Inc., Deljo Heating Cooling & Plumbing, Eco Temp HVAC, ER Air. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are HVAC contractors in Chicago, Illinois ranked?
By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.

What this list includes: heating, ventilation and air conditioning businesses (furnaces, heat pumps, A/C, climate control). Tags come from each business's public category and name, so a company can appear under several trades. HVAC contractors across the US