❄️ Official Rankings
10 Best HVAC in Gary, IN (September 2026)
We compared 10 hvac serving Gary and Lake County, Indiana, and ranked the top providers by verified reviews, ratings, and local reputation — 2,255 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Sub-Cooled Heating and Air Conditioning. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 2,255
#1
Sub-Cooled Heating and Air Conditioning
⭐ 4.9 · 198 reviews
5348 Central Ave, Portage, IN 46368
#2
Whitmer Heating And Cooling
⭐ 5.0 · 56 reviews
2235 Crest Rd, Gary, IN 46408
#3
#4
#5
Ponce Heating & Cooling
⭐ 5.0 · 26 reviews
2497 Ripley St, Lake Station, IN 46405
#6
Green Piping Systems LLC
⭐ 4.8 · 60 reviews
1949 W 10th Ave, Gary, IN 46404
#7
L.F.S & A.C / Home Improvement
⭐ 4.7 · 58 reviews
3522 Jackson St, Gary, IN 46408
#8
Maglish Plumbing, Heating, Cooling & Electrical
⭐ 4.6 · 894 reviews
5705 Old Porter Rd, Portage, IN 46368
#9
#10
Isaac’s Air Solutions , Air Conditioner & Furnace Repair & Service
⭐ 5.0 · 7 reviews
2436 Old Hobart Rd, Lake Station, IN 46405