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Headquarters: Portsmouth, NH

Heat Pumps & Mini-Splits Done Right

Licensed across New Hampshire, Maine, and Massachusetts. Whether you're replacing an old oil furnace or adding efficient cooling to a hot upstairs—Harvey Woods delivers expert heat pump and mini-split installation with the precision your comfort demands.

Licensed in NH, ME, and MA — Electrify Your Home

Oil and propane prices aren't going down. Heat pumps offer a smarter path forward—efficient heating in winter, cool air in summer, and lower energy bills year-round.

Our team is manufacturer-certified and licensed for refrigerant handling. We design, install, and commission every system ourselves—no subcontractors, no runaround. Most installations are completed in 1–2 days.

Great experience with complete system install including panels and battery backup. Interviewed several companies and chose Harvey Woods because of the attention to detail and overall knowledge of the industry and products. Definitely not disappointed. Great project start to finish.

Justin Lundberg - York Beach, ME

Ductless Mini-Split Installation

No ductwork? No problem. Mini-splits deliver whisper-quiet heating and cooling exactly where you need it—bedrooms, home offices, additions, or that bonus room over the garage that's always too hot or too cold.

We install single-zone and multi-zone systems from Mitsubishi, Fujitsu, LG, and Daikin. Each unit is sized precisely to your space for maximum efficiency and comfort.

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Whole-Home Heat Pump Systems

Ready to ditch the oil tank? Modern cold-climate heat pumps can heat your entire home down to -15°F—and cool it in summer—all from one system.

We design ducted and ductless solutions that integrate with your existing setup or replace it entirely. Pair with solar and you're generating your own heat from the sun.

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Central AC & Cooling Solutions

New England summers aren't getting any cooler. Whether you need a new central AC system, a replacement compressor, or a ductless solution for a room that window units can't handle—we've got you covered.

We size every system properly (no guessing) and install it to manufacturer spec so your warranty stays intact.

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Oil & Propane to Heat Pump Conversion

Tired of fuel deliveries and unpredictable heating bills? We help homeowners transition from oil and propane to efficient electric heat pumps—often while keeping your existing system as backup.

Combined with solar, you can heat your home with energy you generate yourself. That's true energy independence.

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HVAC Maintenance & Seasonal Tune-Ups

Heat pumps and mini-splits need regular care to run at peak efficiency. We offer seasonal tune-ups, filter replacements, refrigerant checks, and coil cleaning to keep your system running strong for 15–20 years.

Already have a system we didn't install? No problem—we service all major brands.

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50+

Heat pump and mini-split installations completed across New Hampshire, Maine, and Massachusetts.

Brands We Install & Service

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