HVAC Costs in Maine

Verified cost ranges across cities in Maine

Verified by 3 sourcesUpdated May 13, 2026

HVAC Cost Comparison — Maine

Compare verified cost ranges across cities in Maine

Cost Comparison — Furnace Installation

Maine2 sources

Low

$1,657

Typical

$1,657

High

$1,934

Portland2 sources

Low

$1,688

Typical

$1,688

High

$1,970

Lewiston2 sources

Low

$1,570

Typical

$1,570

High

$1,832

Bangor2 sources

Low

$1,599

Typical

$1,599

High

$1,866

Cost Comparison — Heat Pump Installation

Maine2 sources

Low

$4,487

Typical

$4,487

High

$5,236

Portland2 sources

Low

$4,570

Typical

$4,570

High

$5,334

Lewiston2 sources

Low

$4,251

Typical

$4,251

High

$4,961

Bangor2 sources

Low

$4,330

Typical

$4,330

High

$5,053

Cost Comparison — Ductwork Installation

Maine2 sources

Low

$69

Typical

$129

High

$448

Portland2 sources

Low

$71

Typical

$131

High

$456

Lewiston2 sources

Low

$66

Typical

$122

High

$424

Bangor2 sources

Low

$67

Typical

$124

High

$432

Cost Comparison — Furnace Repair

Maine2 sources

Low

$66

Typical

$1,035

High

$2,673

Portland2 sources

Low

$67

Typical

$1,054

High

$2,723

Lewiston2 sources

Low

$63

Typical

$980

High

$2,532

Bangor2 sources

Low

$64

Typical

$999

High

$2,580

Cost Comparison — Thermostat Installation

Maine3 sources

Low

$88

Typical

$238

High

$448

Portland3 sources

Low

$89

Typical

$242

High

$456

Lewiston3 sources

Low

$83

Typical

$225

High

$424

Bangor3 sources

Low

$85

Typical

$229

High

$432

Cost Comparison — Duct Cleaning

Maine2 sources

Low

$50

Typical

$1,844

High

$5,000

Portland2 sources

Low

$51

Typical

$1,878

High

$5,093

Lewiston2 sources

Low

$47

Typical

$1,747

High

$4,737

Bangor2 sources

Low

$48

Typical

$1,779

High

$4,826

Cost Comparison — Boiler Installation

Maine2 sources

Low

$3,662

Typical

$3,662

High

$4,274

Portland2 sources

Low

$3,731

Typical

$3,731

High

$4,354

Lewiston2 sources

Low

$3,470

Typical

$3,470

High

$4,049

Bangor2 sources

Low

$3,535

Typical

$3,535

High

$4,125

Cost Comparison — Boiler Repair

Maine2 sources

Low

$75

Typical

$2,237

High

$6,100

Portland2 sources

Low

$76

Typical

$2,279

High

$6,213

Lewiston2 sources

Low

$71

Typical

$2,120

High

$5,779

Bangor2 sources

Low

$72

Typical

$2,159

High

$5,887

Cost Comparison — Attic Insulation Installation

Maine2 sources

Low

$300

Typical

$5,606

High

$15,500

Portland2 sources

Low

$306

Typical

$5,710

High

$15,788

Lewiston2 sources

Low

$284

Typical

$5,311

High

$14,685

Bangor2 sources

Low

$290

Typical

$5,411

High

$14,959

Cost Comparison — Radiant Floor Heat Installation

Maine2 sources

Low

$440

Typical

$440

High

$580

Portland2 sources

Low

$448

Typical

$448

High

$591

Lewiston2 sources

Low

$417

Typical

$417

High

$549

Bangor2 sources

Low

$425

Typical

$425

High

$560

Browse HVAC Costs by City in Maine

Select a city to see local pricing adjusted for cost of living.

All HVAC Services

hvac

Furnace Installation

Supply and installation of a new gas, propane, or electric furnace including flue venting, gas piping, ductwork connections, and thermostat wiring.

Cost data available

hvac

Heat Pump Installation

Installation of an air-source heat pump system for year-round heating and cooling, including lineset, electrical, and refrigerant charging.

Cost data available

hvac

Ductwork Installation

Fabrication and installation of supply and return air duct systems in new or remodeled homes, including registers, grilles, and balancing dampers.

Cost data available

hvac

Furnace Repair

Diagnosis and repair of a non-heating or malfunctioning furnace, including igniter replacement, heat exchanger inspection, and blower motor service.

Cost data available

hvac

Thermostat Installation

Installation or replacement of a programmable or smart Wi-Fi thermostat with C-wire installation if required.

Cost data available

hvac

Duct Cleaning

Mechanical cleaning of supply, return, and branch air ducts using rotary brushes and high-powered vacuums to remove dust, debris, and allergens.

Cost data available

hvac

Boiler Installation

Supply and installation of a hot-water or steam boiler for hydronic heating, including gas piping, venting, expansion tank, and zone valves.

Cost data available

hvac

Boiler Repair

Diagnosis and repair of a faulty boiler, covering pump replacement, pressure vessel issues, zone valve failure, and flue blockages.

Cost data available

hvac

Attic Insulation Installation

Addition of blown-in cellulose or fiberglass insulation in the attic floor to reach recommended R-value and reduce HVAC load.

Cost data available

hvac

Radiant Floor Heat Installation

Installation of in-floor hydronic tubing or electric heating mats under tile or hardwood floors for radiant space heating.

Cost data available