Top 3 HVAC Contractors in Belfast

Compare the highest-rated hvac professionals in Belfast, Maine. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Belfast Climate Control

4.8
(127 reviews)
Verified

Full-service HVAC specialist serving Belfast and Waldo County since 1998. Expert in installing and servicing high-efficiency heat pumps, furnaces, and ductless mini-splits specifically suited for Maine's coastal climate. Offers comprehensive energy audits and specializes in cold-climate heat pump installations.

145 Atlantic Highway, Belfast, ME 04915

Specialties & Features

24/7 Emergency Service
Cold Climate Heat Pumps
Energy Efficiency Upgrades
Ductwork Design
Boiler Systems

Business Information

Years in Business:26 years
Licensed:Yes
Insured:Yes
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#2

Penobscot Bay Heating & Cooling

4.6
(94 reviews)
Verified

Family-owned HVAC contractor with deep roots in the Belfast community. Specializes in both residential and light commercial systems, with particular expertise in oil-to-gas conversions and hybrid heating systems that combine heat pumps with traditional furnaces for optimal efficiency in Maine winters.

78 Main Street, Belfast, ME 04915

Specialties & Features

Hybrid System Installation
Oil-to-Gas Conversions
Preventive Maintenance Plans
Indoor Air Quality Solutions
Emergency Repairs

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
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#3

Maine Coast HVAC Services

4.5
(68 reviews)
Verified

Local HVAC experts focused on energy-efficient solutions for Belfast's unique coastal environment. Specializes in Mitsubishi and Daikin cold-climate systems, offers comprehensive duct cleaning services, and provides detailed maintenance plans to protect systems from salt air corrosion.

225 Belmont Avenue, Belfast, ME 04915

Specialties & Features

Coastal Climate Expertise
Duct Cleaning & Sealing
Heat Pump Service
Furnace Repair
24/7 Emergency Service

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
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Why These Are the Top HVAC Contractors in Belfast

Belfast's HVAC market is characterized by high demand for reliable heating systems due to cold, humid winters with average temperatures in the 20s°F, and growing demand for efficient cooling for the mild but increasingly warm summers. The coastal location requires corrosion-resistant equipment and regular maintenance. Most homes use oil, propane, or electric heat, with rapid adoption of cold-climate heat pumps. Emergency service availability is critical during winter months when temperatures can drop below 0°F.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Belfast regulations and climate