❄️ Official Rankings
10 Best HVAC in Highlands Ranch, CO (August 2026)
We compared 10 hvac serving Highlands Ranch and Douglas County, Colorado, and ranked the top providers by verified reviews, ratings, and local reputation — 9,478 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Aim High HVAC. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 9,478
- Area codes
- 720, 303
Aim High HVAC
⭐ 5.0 · 797 reviews
9933 Titan Park Cir, Littleton, CO 80125
Indoor Air Quality, Inc.
⭐ 5.0 · 166 reviews
7108 S Glencoe Ct, Centennial, CO 80122
Fireside Heating & Cooling
⭐ 5.0 · 133 reviews
9425 Princeton Cir, Highlands Ranch, CO 80130
Rock Plumbing, Heating & Air Conditioning
⭐ 4.9 · 3918 reviews
8117 Southpark Cir, Littleton, CO 80120
Elkhorn Heating, Air Conditioning, Plumbing & Electrical
⭐ 4.9 · 2191 reviews
3869 Norwood Dr #9, Littleton, CO 80125
ROX Heating & Air
⭐ 4.9 · 782 reviews
1745 Shea Center Dr 4th Floor, Littleton, CO 80129
PS Cool Heat
⭐ 4.9 · 458 reviews
4466 E Hunterwood Dr, Littleton, CO 80130
HVAC Guy
⭐ 4.9 · 271 reviews
9335 S Pepperwood Ln, Highlands Ranch, CO 80126
Southwest Heating & Cooling
⭐ 4.8 · 710 reviews
8109 W Brandon Dr, Littleton, CO 80125