❄️ Official Rankings
10 Best HVAC in Idaho Falls, ID (September 2026)
We compared 10 hvac serving Idaho Falls and Bonneville County, Idaho, and ranked the top providers by verified reviews, ratings, and local reputation — 6,006 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Elite Comfort Systems - Heating and Cooling Specialists. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 6,006
- Area code
- 208
Elite Comfort Systems - Heating and Cooling Specialists
⭐ 5.0 · 402 reviews
482 Constitution Way Ste 217, Idaho Falls, ID 83401
RSJ Mechanical, LLC
⭐ 5.0 · 251 reviews
1875 N Holmes Ave, Idaho Falls, ID 83401
Ridgeline Heating and Cooling
⭐ 5.0 · 91 reviews
370 College St, Idaho Falls, ID 83401
Conan Heating & Air Conditioning
⭐ 4.9 · 327 reviews
429 W 18th St, Idaho Falls, ID 83402
First Call Jewel Heating Cooling Plumbing & Electrical
⭐ 4.8 · 2652 reviews
1255 Chaffin Ln, Idaho Falls, ID 83401
Right Now Heating, Air Conditioning & Plumbing
⭐ 4.8 · 1392 reviews
2048 N Deborah Dr, Idaho Falls, ID 83401
First Street Plumbing & Heating
⭐ 4.8 · 703 reviews
345 1st St, Idaho Falls, ID 83401
HVAC listed here serve Idaho Falls, Bonneville County, and nearby ZIP codes including 83401, 83402, 83403, 83404, 83405, 83406, 83415.