HVAC companies in Merrillville, IN 46410
11 HVAC companies, with local market data for this ZIP.
General contractors 31HVAC 11Other construction trades 10Roofing and exteriors 8Remodeling 7Concrete and masonry 5Carpentry, drywall and windows 5Garage doors 5Painting 4Flooring and tile 2Electricians 2Fences and decks 1
Area profitability, HVAC45 / 100Moderate market, crowded field
Typical home value$242,000+1.4% in the past year
New homes permitted, 20251,262Lake County
Homeowners66.0%16,737 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
AAA ServicesHVAC contractor · 7924 Independence St, Merrillville(219) 472-8645 · aaaserviceshvac.com
Cold Air HVAC LLCHVAC contractor · 303 W 80th Pl, Merrillville(219) 771-9162 · mycoldairhvac.com
Comfort Aire IncHVAC contractor · 8269 Buchanan St, Merrillville(219) 306-2348 · airecomfort.com
EcoEdge Systems Heating & CoolingHVAC contractor · 3490 E 83rd Pl., Merrillville(219) 797-6326 · ecoedgesystems.com
F S MechanicalHVAC contractor · 8608 Mississippi St, Merrillville(219) 736-1165 · fsmechanical.com
Four Seasons MechanicalHVAC contractor · 1580 E 90th Pl, Merrillville(219) 756-7020 · fourseasonsmechanical.com
FSM - Comfort SolutionsHVAC contractor · 8608 Mississippi St, Merrillville(219) 736-1165 · fsmechanical.com
Keough Mechanical CorpHVAC contractor · 2046 E 88th Dr, Merrillville(219) 769-8471 · keoughmechanical.com · 1 driver, 2 trucks
Rearick's Heating & Air ConditioningHVAC contractor · 8762 Louisiana St Ste P, Merrillville(219) 769-6411 · rearicksheatingandcooling.com
Rearick's Heating & CoolingHVAC contractor · 6521 Broadway, Merrillville(219) 769-6411 · rearicksheatingandcooling.com
ServKeep Heating & CoolingHVAC contractor · 8860 Louisiana St, Merrillville(219) 525-4126 · servkeep.com
South Side Control Supply Co.HVAC contractor · 159 E 61st Ave, Merrillville(219) 884-9060 · southsidecontrol.com
W.J.M. Industrial Services, Inc.HVAC contractor · 1355 E 86th Pl, Merrillville(219) 750-9310 · wjmindustrialservices.com
W.J.M. Industrial Services, Inc.HVAC contractor · Serving, Merrillville(219) 750-9310 · wjmindustrialservices.com
HVAC in ZIP 46410 at a glance
Local building angle: Lake County permitted 1,262 new homes in 2025. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.