Maine · HVAC
4 counties, 10+ cities, one rule: the pros we list hold active ME OPOR licenses and a pattern of finishing jobs the way they priced them.
Major metros first. Each page has a ranked short list, the local cost range, and the county it sits in so you can zoom out if your provider needs to come from next door.
Researching pricing first? HVAC cost in Portland has the local range and rebate stack.
Licensing is enforced by ME OPOR. Every provider we list in Maine holds an active license, and we note permit and market specifics on each city page.
Maine sits in IECC climate zone 6A-Cold-Humid. Across 16 cities, the dominant HVAC profile is mixed: with median 7,600 heating degree days and 500 cooling degree days, system choice varies by market — compare your city page for the climate-specific recommendation.
Efficiency Maine (Statewide) · Efficiency Maine Heat Pump Rebate — up to $8,000 for heat pumps
Central Maine Power (CMP) · CMP Heat Pump Program (via Efficiency Maine) — up to $8,000 for heat pumps
Efficiency Maine (Statewide) · Efficiency Maine Ductless Mini-Split Rebate — up to $2,400 for ductless mini-splits
All verified pros in Maine hold an active license with Maine Office of Professional and Occupational Regulation — Oil & Solid Fuel Board and Propane & Natural Gas Board (no statewide HVAC contractor license; related fuel-specific credentials required). Verify a contractor →
Open your city page to see top providers and local pricing context.
Use compare pages and best-of lists to narrow your short list fast.
Message two or three providers to compare price and availability in one sitting.
Every county has a dedicated page with market notes, participating providers, and links to nearby cities.
Crews near the state line often cover both sides — check the hub for your neighboring state if your Maine short list is thin or travel is long.
Top HVAC markets across the country. Each city has its own ranked short list and local pricing notes.
Maine does not issue a statewide HVAC contractor license — however, the specific fuel work requires a credential: oil-burner and solid-fuel installers need an active Oil & Solid Fuel Technician license, and gas work requires a Propane & Natural Gas Technician license (both through the Maine Office of Professional and Occupational Regulation). Verify at pfr.maine.gov/ALMSOnline. Electrical hookups need a state Master Electrician. Municipalities (Portland, Bangor, Lewiston) may also require a local business registration, current liability insurance, and any local bond.
Yes. Most Maine providers offer free in-home or virtual estimates for residential HVAC work. Confirm this when you schedule.
Yes. Labor rates and equipment availability vary between metro areas and rural counties in Maine. Rural counties may have higher travel minimums. We break this out per city and county.
We cover 4 Maine counties with a dedicated research page for local providers and market notes, and we're expanding coverage regularly.
We'll match you to the two or three licensed pros in your city worth calling this week — and tell you what the job should actually cost locally.