Top 8 HVAC Companies in Portland, ME
The best HVAC companies in Portland, ME for 2026 include Dave's World Scarborough (4.9★), Pine State Services (4.7★), Gammon’s Heating & Cooling (4.8★). All are licensed, insured, and highly rated for AC repair, heating service, and HVAC installation.
Dave's World Scarborough
Pine State Services
Gammon’s Heating & Cooling
Gelinas HVAC Services
Mack Air Pro
Roubo and Sons LLC
207 Plumbing and Heating
Aces Highlands HVAC/Plumbing
How We Ranked These Portland Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Portland market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does HVAC repair cost in Portland, ME?
HVAC repair in Portland typically costs $150-$450 for common issues like refrigerant recharge, thermostat replacement, or capacitor repair. AC compressor replacement runs $1,200-$2,800. Full system replacement costs $4,500-$12,000 depending on size and efficiency rating.
How often should I service my HVAC in Portland?
HVAC professionals in Portland recommend servicing twice a year — spring for AC and fall for heating. Regular maintenance prevents breakdowns during extreme weather and can extend your system's lifespan by 5-10 years.
Do Portland HVAC companies offer emergency service?
Yes, most top-rated HVAC companies in Portland offer 24/7 emergency service for no-heat, no-AC, and refrigerant leak situations. Response times are typically 60-90 minutes. Emergency premiums add $100-$250 to standard rates.
What size HVAC system do I need for my Portland home?
Most homes in Portland need 2.5 to 5 tons of cooling capacity. A rough guide: 1 ton per 400-600 sq ft depending on climate, insulation, and sun exposure. Always get a Manual J load calculation from a licensed HVAC contractor for accurate sizing.