HVAC Costs in Maine

Verified cost ranges across cities in Maine

Verified by 4 sourcesUpdated June 18, 2026

HVAC Cost Comparison — Maine

Compare verified cost ranges across cities in Maine

Cost Comparison — Heat Pump Installation

Location	Low	Typical	High	Sources
Maine	$6,321	$6,674	$12,528	4
Portland	$6,439	$6,798	$12,761	4
Lewiston	$5,989	$6,323	$11,869	4
Bangor	$6,101	$6,441	$12,091	4

Maine4 sources

Low

$6,321

Typical

$6,674

High

$12,528

Portland4 sources

Low

$6,439

Typical

$6,798

High

$12,761

Lewiston4 sources

Low

$5,989

Typical

$6,323

High

$11,869

Bangor4 sources

Low

$6,101

Typical

$6,441

High

$12,091

Cost Comparison — Ductwork Installation

Location	Low	Typical	High	Sources
Maine	$69	$129	$448	2
Portland	$71	$131	$456	2
Lewiston	$66	$122	$424	2
Bangor	$67	$124	$432	2

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 — AC Repair

Location	Low	Typical	High	Sources
Maine	$75	$1,572	$4,200	2
Portland	$76	$1,602	$4,278	2
Lewiston	$71	$1,490	$3,979	2
Bangor	$72	$1,518	$4,053	2

Maine2 sources

Low

$75

Typical

$1,572

High

$4,200

Portland2 sources

Low

$76

Typical

$1,602

High

$4,278

Lewiston2 sources

Low

$71

Typical

$1,490

High

$3,979

Bangor2 sources

Low

$72

Typical

$1,518

High

$4,053

Cost Comparison — Furnace Repair

Location	Low	Typical	High	Sources
Maine	$66	$1,035	$2,673	2
Portland	$67	$1,054	$2,723	2
Lewiston	$63	$980	$2,532	2
Bangor	$64	$999	$2,580	2

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

Location	Low	Typical	High	Sources
Maine	$97	$227	$448	4
Portland	$99	$231	$456	4
Lewiston	$92	$215	$424	4
Bangor	$94	$219	$432	4

Maine4 sources

Low

$97

Typical

$227

High

$448

Portland4 sources

Low

$99

Typical

$231

High

$456

Lewiston4 sources

Low

$92

Typical

$215

High

$424

Bangor4 sources

Low

$94

Typical

$219

High

$432

Cost Comparison — Duct Cleaning

Location	Low	Typical	High	Sources
Maine	$244	$912	$2,146	4
Portland	$248	$929	$2,186	4
Lewiston	$231	$864	$2,033	4
Bangor	$235	$881	$2,071	4

Maine4 sources

Low

$244

Typical

$912

High

$2,146

Portland4 sources

Low

$248

Typical

$929

High

$2,186

Lewiston4 sources

Low

$231

Typical

$864

High

$2,033

Bangor4 sources

Low

$235

Typical

$881

High

$2,071

Cost Comparison — Mini-Split Installation

Location	Low	Typical	High	Sources
Maine	$2,000	$5,851	$14,500	2
Portland	$2,037	$5,960	$14,770	2
Lewiston	$1,895	$5,543	$13,737	2
Bangor	$1,930	$5,647	$13,994	2

Maine2 sources

Low

$2,000

Typical

$5,851

High

$14,500

Portland2 sources

Low

$2,037

Typical

$5,960

High

$14,770

Lewiston2 sources

Low

$1,895

Typical

$5,543

High

$13,737

Bangor2 sources

Low

$1,930

Typical

$5,647

High

$13,994

Cost Comparison — Boiler Installation

Location	Low	Typical	High	Sources
Maine	$3,593	$3,593	$5,813	3
Portland	$3,660	$3,660	$5,921	3
Lewiston	$3,404	$3,404	$5,507	3
Bangor	$3,467	$3,467	$5,610	3

Maine3 sources

Low

$3,593

Typical

$3,593

High

$5,813

Portland3 sources

Low

$3,660

Typical

$3,660

High

$5,921

Lewiston3 sources

Low

$3,404

Typical

$3,404

High

$5,507

Bangor3 sources

Low

$3,467

Typical

$3,467

High

$5,610

Cost Comparison — Boiler Repair

Location	Low	Typical	High	Sources
Maine	$75	$2,237	$6,100	2
Portland	$76	$2,279	$6,213	2
Lewiston	$71	$2,120	$5,779	2
Bangor	$72	$2,159	$5,887	2

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 — HVAC Maintenance Tune-Up

Location	Low	Typical	High	Sources
Maine	$63	$1,481	$3,950	3
Portland	$64	$1,508	$4,023	3
Lewiston	$59	$1,403	$3,742	3
Bangor	$60	$1,429	$3,812	3

Maine3 sources

Low

$63

Typical

$1,481

High

$3,950

Portland3 sources

Low

$64

Typical

$1,508

High

$4,023

Lewiston3 sources

Low

$59

Typical

$1,403

High

$3,742

Bangor3 sources

Low

$60

Typical

$1,429

High

$3,812

Cost Comparison — Geothermal Heat Pump Installation

Location	Low	Typical	High	Sources
Maine	$2,490	$8,035	$20,250	2
Portland	$2,536	$8,185	$20,627	2
Lewiston	$2,359	$7,613	$19,185	2
Bangor	$2,403	$7,755	$19,543	2

Maine2 sources

Low

$2,490

Typical

$8,035

High

$20,250

Portland2 sources

Low

$2,536

Typical

$8,185

High

$20,627

Lewiston2 sources

Low

$2,359

Typical

$7,613

High

$19,185

Bangor2 sources

Low

$2,403

Typical

$7,755

High

$19,543

Cost Comparison — Attic Insulation Installation

Location	Low	Typical	High	Sources
Maine	$1,000	$3,576	$9,000	3
Portland	$1,019	$3,643	$9,167	3
Lewiston	$947	$3,388	$8,527	3
Bangor	$965	$3,451	$8,686	3

Maine3 sources

Low

$1,000

Typical

$3,576

High

$9,000

Portland3 sources

Low

$1,019

Typical

$3,643

High

$9,167

Lewiston3 sources

Low

$947

Typical

$3,388

High

$8,527

Bangor3 sources

Low

$965

Typical

$3,451

High

$8,686

Cost Comparison — Radiant Floor Heat Installation

Location	Low	Typical	High	Sources
Maine	$1,070	$1,891	$4,115	3
Portland	$1,090	$1,926	$4,191	3
Lewiston	$1,014	$1,791	$3,898	3
Bangor	$1,033	$1,825	$3,971	3

Maine3 sources

Low

$1,070

Typical

$1,891

High

$4,115

Portland3 sources

Low

$1,090

Typical

$1,926

High

$4,191

Lewiston3 sources

Low

$1,014

Typical

$1,791

High

$3,898

Bangor3 sources

Low

$1,033

Typical

$1,825

High

$3,971

Cost Comparison — AC Installation

Location	Low	Typical	High	Sources
Maine	$4,780	$5,285	$10,103	2
Portland	$4,869	$5,384	$10,291	2
Lewiston	$4,529	$5,007	$9,572	2
Bangor	$4,613	$5,101	$9,750	2

Maine2 sources

Low

$4,780

Typical

$5,285

High

$10,103

Portland2 sources

Low

$4,869

Typical

$5,384

High

$10,291

Lewiston2 sources

Low

$4,529

Typical

$5,007

High

$9,572

Bangor2 sources

Low

$4,613

Typical

$5,101

High

$9,750

Cost Comparison — Furnace Installation

Location	Low	Typical	High	Sources
Maine	$2,700	$2,700	$4,704	3
Portland	$2,750	$2,750	$4,792	3
Lewiston	$2,558	$2,558	$4,457	3
Bangor	$2,605	$2,605	$4,540	3

Maine3 sources

Low

$2,700

Typical

$2,700

High

$4,704

Portland3 sources

Low

$2,750

Typical

$2,750

High

$4,792

Lewiston3 sources

Low

$2,558

Typical

$2,558

High

$4,457

Bangor3 sources

Low

$2,605

Typical

$2,605

High

$4,540

Sources:HomeAdvisor Bureau of Labor Statistics Homewyse Fixr HomeGuide

Browse HVAC Costs by City in Maine

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

Bangor15 services Lewiston15 services Portland15 services

All HVAC Services

hvac

AC Installation

Installation of a new central air conditioning system including outdoor condenser, indoor air handler or coil, refrigerant lines, and thermostat.

Cost data available

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

AC Repair

Diagnosis and repair of a non-cooling or inefficient central air conditioning system, covering compressor issues, refrigerant leaks, and electrical faults.

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

Mini-Split Installation

Installation of a ductless mini-split system including wall-mount indoor heads, outdoor compressor, lineset penetration, and electrical supply.

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

HVAC Maintenance Tune-Up

Annual preventive maintenance including filter replacement, coil cleaning, refrigerant check, electrical inspection, and system performance test.

Cost data available

hvac

Geothermal Heat Pump Installation

Installation of a ground-source heat pump system including loop field drilling or trenching, ground loop, heat pump unit, and distribution system.

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

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