Expert Professional Home Heating Services
in Seacoast New Hampshire and Southern Maine
From traditional furnaces and boilers to innovative ductless mini split systems, East Coast HVAC has the experience and commitment to customer satisfaction that you need to stay comfortable all winter long.
We are the region’s most trusted Mitsubishi Electric Elite Diamond Contractor, specializing in their line of quiet and powerful heating solutions known for their efficiency and customized comfort. We are also a preferred Pro Partner with Rheem, another premium product line, known for its reliability to beat New England’s harshest winters.
Our HVAC technicians are trained and qualified to efficiently service and replace any conventional home heating system by any manufacturer, so let us configure and install your next heating system. All of our walk-throughs and estimates are customized at no cost to you.
The Diamond Difference
East Coast HVAC is a Diamond Elite Contractor for Mitsubishi Electric. Our team undergoes rigorous and continued in-person training through Mitsubishi Certified Training Programs.
What does this mean for you? Being a Diamond Elite dealer is more than a title—it’s a promise. It reflects our advanced technical expertise and extensive experience with Mitsubishi systems, demonstrated through a high volume of registered installations. This distinction allows us to offer an exclusive, longer warranty than non-elite dealers—a significant benefit for our customers. You can trust us to design and propose the perfect system, install it with precision using factory-certified technicians, and provide unparalleled support. It’s a difference we take pride in, ensuring 100% customer satisfaction.
Customer Reviews
Better Business Is In Your Backyard.
Reliable Heating, Cooling, & Electrical Services.
Always Offered at the Fairest Prices Possible.
Serving homeowners in Seacoast New Hampshire and Southern Maine.
Our home base of operations is in Dover, New Hampshire and we happily serve customers
throughout the NH seacoast and within a 30-mile radius.
Alton Bay
Barnstead
Barrington
Brentwood
Candia
Chester
Derry
Dover
Durham
Epsom
Exeter
Farmington
Hampton
Kensington
Kingston
Lee
Londonderry
Madbury
Milton
New Castle
Newmarket
Northwood
Plaistow
Portsmouth
Raymond
Rochester
Rollinsford
Rye
Sanbornville
Seabrook
Somersworth
Wakefield
Alfred
Berwick
Biddeford
Eliot
Kennebunk
Kennebunkport
Kittery
Lebanon
North Berwick
Ogunquit
Sanford
South Berwick
Wells
York
York Harbor
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