Top 10 Heat Pump Installation in Portland, ME

Updated March 2026 · Based on licensing, reviews & response time

Quick Answer

The best heat pump installation companies in Portland, ME for 2026 include Dave's World Scarborough (4.9), Pine State Services (4.7), Gammon’s Heating & Cooling (4.8). All install air-source, dual-fuel, and ductless heat pump systems.

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1

LaPlante Electric

717 US-1, Scarborough, ME 04074, USA
★★★★½ 4.9 (1,305 reviews)
Licensed & InsuredTop Rated
Services: Heat Pump Installation
2

Maine Heating And Cooling LLC

407 Falmouth Rd, Windham, ME 04062, USA
★★★★½ 4.8 (193 reviews)
Licensed & InsuredTop Rated
Services: Heat Pump Installation
3

Heritage Home Service

72 City Line Dr, Portland, ME 04102, USA
★★★★½ 4.8 (702 reviews)
Licensed & InsuredTop Rated
Services: Heat Pump Installation
4

Only Heat Pumps Maine

29 Vannah Ave, Portland, ME 04103, USA
★★★★★ 5 (65 reviews)
Licensed & Insured
Services: Heat Pump Installation
5

Pine State Services

30 Center St, Scarborough, ME 04074, USA
★★★★½ 4.7 (1,132 reviews)
Licensed & Insured
Services: Heat Pump Installation
6

Dave's World Scarborough

237 Gorham Rd, Scarborough, ME 04074, USA
★★★★½ 4.9 (494 reviews)
Services: Heat Pump Installation
7

Gammon’s Heating & Cooling

890 Portland Rd Ste 3, Saco, ME 04072, USA
★★★★½ 4.8 (584 reviews)
Services: Heat Pump Installation
8

207 Plumbing and Heating

299 Roosevelt Trail, Windham, ME 04062, USA
★★★★½ 4.7 (436 reviews)
Services: Heat Pump Installation
9

Dinosaur Heating and Cooling LLC

6 Alexander Dr, Cape Elizabeth, ME 04107, USA
★★★★½ 4.8 (20 reviews)
Services: Heat Pump Installation
10

Aces Highlands HVAC/Plumbing

508 Riverside St Unit 1, Portland, ME 04102, USA
★★★★★ 5 (19 reviews)
Services: Heat Pump Installation

How We Ranked These Portland Pros

Our rankings are based on a weighted evaluation of five key factors:

  1. Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
  2. Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
  3. Response Time — Companies offering same-day or 24/7 emergency service score higher.
  4. Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
  5. Experience & Longevity — Years serving the Portland market and breadth of services factor into overall reliability.

Rankings are reviewed quarterly. Have a correction? Contact us.

Frequently Asked Questions

How much does heat pump installation cost in Portland?

Heat pump installation in Portland costs $4,000-$8,000 for a standard air-source unit. Dual-fuel systems (heat pump + gas furnace backup) cost $5,000-$10,000. Geothermal systems cost $15,000-$30,000.

Are heat pumps worth it?

Yes — heat pumps are 2-3x more efficient than furnaces because they move heat rather than generate it. Federal tax credits (up to $2,000) and utility rebates make them even more cost-effective. Best value in moderate climates.

Do heat pumps work in cold weather?

Modern cold-climate heat pumps work efficiently down to -15°F. In extremely cold climates, a dual-fuel system (heat pump + gas furnace backup) provides the best efficiency and reliability.