The Best HVAC in Sullivan, ME

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

#1

Sullivan Heating & Cooling

4.8
(127 reviews)
Verified

Family-owned HVAC specialist serving Sullivan and Downeast Maine for over 25 years. Offers comprehensive heating and cooling services with expertise in cold-climate heat pumps, high-efficiency oil furnaces, and ductless mini-splits. Known for exceptional emergency response during harsh Maine winters.

1472 US Highway 1, Sullivan, ME 04664

Specialties & Features

24/7 Emergency Service
Cold Climate Heat Pumps
Oil Furnace Expertise
Maine Winter Preparedness

Business Information

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

Downeast Climate Control

4.6
(89 reviews)
Verified

Energy efficiency experts specializing in modern HVAC solutions for Sullivan's coastal climate. EPA-certified technicians with advanced training in heat pump technology, geothermal systems, and home energy audits. Strong focus on reducing heating costs in Maine's long winters through proper system sizing and insulation upgrades.

85 Main Street, Sullivan, ME 04664

Specialties & Features

Energy Efficiency Upgrades
Heat Pump Installation
Geothermal Systems
Home Performance Contracting

Business Information

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

Frenchman Bay HVAC Services

4.4
(64 reviews)
Verified

Local Sullivan contractor providing reliable HVAC installation, maintenance, and repair services. Specializes in ductwork design for older Maine homes, furnace replacements, and seasonal AC tune-ups. Offers affordable maintenance plans to prepare systems for extreme seasonal transitions.

2102 Sullivan Road, Sullivan, ME 04664

Specialties & Features

Ductwork Design & Repair
Furnace Installation
Maintenance Plans
Older Home Expertise

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Sullivan

Sullivan's HVAC market is characterized by high demand for reliable heating systems due to the cold coastal Maine winters with average temperatures dropping to 18°F. The short but occasionally warm summers create demand for efficient cooling solutions. Local providers must be well-versed in oil, propane, and heat pump systems that can perform in sub-freezing temperatures. The market is dominated by small, locally-owned businesses with deep knowledge of older home infrastructures and the need for energy-efficient upgrades given Maine's high heating costs. Emergency winter service capability is a critical differentiator.

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 Sullivan regulations and climate

Frequently Asked Questions About HVAC in Sullivan

Get answers to common questions about hvac services in Sullivan, Maine.

1What is the best time of year to schedule HVAC maintenance or installation in Sullivan?

For Sullivan's cold coastal climate, the ideal time for furnace maintenance or installation is late summer or early fall (August-September), before the busy winter season. For air conditioning service, aim for late spring (May), before the summer humidity arrives. Scheduling during these shoulder seasons ensures better availability from local technicians and helps you avoid emergency breakdowns during extreme weather.

2Are there specific heating system considerations for older homes in Sullivan, Maine?

Yes, many older Sullivan homes have unique challenges like stone foundations, limited insulation, and older ductwork. When upgrading, it's crucial to have a local contractor perform a Manual J load calculation specific to your home's construction and Sullivan's climate zone (Zone 6). They can recommend systems, like ductless mini-splits or high-efficiency boilers, that efficiently handle the cold, damp winters without overloading older electrical systems.

3What should I look for when choosing a local HVAC contractor in the Sullivan area?

Always verify the contractor is licensed by the State of Maine (Plumbing & Heating License) and insured. Look for a company with extensive experience in Downeast Maine's climate, as they will understand issues like coastal salt air corrosion, nor'easter preparedness, and heating oil-to-heat pump conversions. Check for strong local references and membership in organizations like the Efficiency Maine Trade Ally network.

4How do the winters in Sullivan affect the cost and type of HVAC system I should choose?

Sullivan's long, severe winters with temperatures often below 20°F mean your heating system is a critical investment. While heat pumps are popular, you must choose a cold-climate model rated for low temperatures to avoid relying solely on expensive backup electric heat. Overall system costs can be higher due to the need for robust, high-capacity equipment, but state and federal rebates through Efficiency Maine can significantly offset the initial price.

5My heat pump seems inefficient during the coldest weeks. Is this normal for our area, and what are my options? **Question:** My heat pump seems inefficient during the coldest weeks. Is this normal for our area, and what are my options?

This is a common concern in Sullivan. Standard air-source heat pumps lose efficiency as temperatures drop into the teens and single digits, which is typical here. A properly designed system for our climate will include a secondary or backup heat source, such as a propane furnace or a dual-fuel system. Having a local technician verify your system is a cold-climate model and correctly sized is the first step to ensuring year-round efficiency and comfort.