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HVAC (heating & air conditioning) in Thornton, IL

417 within 25 miles · 0 verified · updated October 16, 2026

There are 417 HVAC companies within 25 miles of Thornton, IL in the AssistAnt directory as of October 16, 2026, 2 of them based in Thornton itself. None are verified by AssistAnt yet, so check a business’s license and insurance before you hire it. Verified businesses are listed first, then by distance. No business can pay for a higher spot.

HVAC (heating & air conditioning) near Thornton

Showing the 30 listed first. Search by ZIP code to see more.

Questions

How many HVAC companies are near Thornton, IL?
417 within 25 miles, 2 in Thornton, as of October 16, 2026.
Which HVAC companies near Thornton, IL are verified?
None yet. Verified means AssistAnt checked the business registration and insurance; unverified listings come from public business records.
Can a business pay to rank higher on AssistAnt?
No. Verified businesses are listed first, then everyone else by distance. Placement cannot be bought, and AssistAnt never sells your contact information.

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