HVAC & heating in Merrillville, IN
12 hvac & heating listed in Merrillville, Indiana. 12 with a phone number and 10 with a website.
Merrillville accounts for 1% of the hvac & heating listed in Indiana.
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Quick answer
Merrillville, IN has 12 hvac & heating listed on USA Business Search. 12 list a phone number and 10 list a website. The most listings are in ZIP codes 46410.
Updated November 2026Comfort Aire Inc
F S Mechanical
Rearick's Heating & Air Conditioning
ServKeep Heating & Cooling
South Side Control Supply Co.
W.J.M. Industrial Services, Inc.
Parkway Mechanical, Inc.
Vercellino's Heating And Cooling
AAA Services
J&j Heating Inc.
Summers Plumbing Heating & Cooling
How to choose an HVAC company in Merrillville
- 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 Indiana business lookup guide, and licensed trades in the contractor license lookup guide.
Common questions
How many hvac & heating are listed in Merrillville, Indiana?
USA Business Search shows 12 hvac & heating in Merrillville. 12 list a phone number and 10 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 46410.
How do I choose an HVAC company in Merrillville?
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 Indiana 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.
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