HVAC & heating in Johnsburg, IL
5 hvac & heating listed in Johnsburg, Illinois. 5 with a phone number and 4 with a website.
Johnsburg accounts for 0.2% of the hvac & heating listed in Illinois.
Sponsored
Quick answer
Johnsburg, IL has 5 hvac & heating listed on USA Business Search. 5 list a phone number and 4 list a website. The most listings are in ZIP codes 60051.
Updated October 2026Big Guy Mechanical
Comfort Doctors heating and Cooling Inc
Comfort Doctors
Emerald Mechanical Services
How to choose an HVAC company in Johnsburg
- Ask for a load calculation before you replace a system, not just a size match.
- Compare efficiency ratings (SEER2/AFUE) and available rebates.
- Ask what maintenance plans cost and what they cover.
Check the business: confirm a company's registration with the state in our Illinois business lookup guide, and licensed trades in the contractor license lookup guide.
Common questions
How many hvac & heating are listed in Johnsburg, Illinois?
USA Business Search shows 5 hvac & heating in Johnsburg. 5 list a phone number and 4 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 60051.
How do I choose an HVAC company in Johnsburg?
Ask for a load calculation before you replace a system, not just a size match. Compare efficiency ratings (SEER2/AFUE) and available rebates. Ask what maintenance plans cost and what they cover. Check the license or registration through the Illinois business lookup guide.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
Own one of these businesses? Claim your free listing or see what an optimized listing adds.