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
About These Listings
Provider details on this page come from public business information and each provider's own website. Inclusion here is not an endorsement, and the order shown is not a guarantee of quality. Before hiring, verify licensing, insurance, and pricing directly with the company — request written quotes and confirm credentials with your state or local licensing board.
See something out of date? 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.