❄️ Official Rankings
10 Best HVAC in South Portland, ME (August 2026)
We compared 10 hvac serving South Portland and Cumberland County, Maine, and ranked the top providers by verified reviews, ratings, and local reputation — 234 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Only Heat Pumps Maine. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 234
- Area code
- 207
#1
Only Heat Pumps Maine
⭐ 5.0 · 93 reviews
29 Vannah Ave, Portland, ME 04103
#2
#3
#4
#5
Dinosaur Heating and Cooling LLC
⭐ 4.8 · 22 reviews
6 Alexander Dr, Cape Elizabeth, ME 04107
#6
White Glove Heat Pump Cleaning and Maintenance
⭐ 5.0 · 5 reviews
97 Mussey St, South Portland, ME 04106
#7
#8
#9
Imperial Plumbing & Heating
⭐ 4.6 · 11 reviews
7 Stephenson St, Cape Elizabeth, ME 04107
#10
The Granite Group
⭐ 5.0 · 3 reviews
155 Rumery St, South Portland, ME 04106
HVAC listed here serve South Portland, Cumberland County, and nearby ZIP codes including 04106, 04116.