❄️ Official Rankings
10 Best HVAC in Portland, ME (August 2026)
We compared 10 hvac serving Portland and Cumberland County, Maine, and ranked the top providers by verified reviews, ratings, and local reputation — 1,263 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by Only Heat Pumps Maine. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 1,263
- Area code
- 207
Only Heat Pumps Maine
⭐ 5.0 · 93 reviews
29 Vannah Ave, Portland, ME 04103
Heritage Home Service
⭐ 4.8 · 1003 reviews
72 City Line Dr, Portland, ME 04102
Aces Highlands HVAC-Plumbing-Electrical
⭐ 4.8 · 32 reviews
508 Riverside St Unit 1, Portland, ME 04102
Dinosaur Heating and Cooling LLC
⭐ 4.8 · 22 reviews
6 Alexander Dr, Cape Elizabeth, ME 04107
Imperial Plumbing & Heating
⭐ 4.6 · 11 reviews
7 Stephenson St, Cape Elizabeth, ME 04107
Sid Harvey Industries - HVAC/R Specialist Distributor
⭐ 5.0 · 2 reviews
160 St John St, Portland, ME 04102
HVAC listed here serve Portland, Cumberland County, and nearby ZIP codes including 04101, 04102, 04103, 04104, 04106, 04109, 04112, 04116, 04122, 04123, 04124, 04954 and more.