Welcome to East Coast Heating & Air Conditioning, Inc.

We are a family-owned and operated company that was established in 1986. We specialize in the sales, service, and installation of residential and light commercial heating and air conditioning systems including Mitsubishi Electric Ductless. Our technicians are factory-trained and certified specialists in the HVAC field and specialists with a variety of furnace and boiler repair experience. We stand behind everything we do with warranties to ensure that you’re never left without assistance. Our promise is to provide you with the highest quality service and installation at guaranteed competitive prices with superior post-project service. That’s why we are one of the most recognized HVAC companies in the Greater Seacoast area of New Hampshire and Southern Maine. Don’t pay more than necessary for your heating and air conditioning needs, call East Coast and Pay Fairly!

Call us today for an estimate at 603-430-9414.

Family Owned & Operated.
Highly regarded in the Seacoast.

Mitsubishi Electric Ductless HVAC

Find out how you can take advantage of all the heating benefits of Mitsubishi Electric ductless HVAC with a FREE CONSULTATION. These systems are built to withstand the extreme cold temperatures of New Hampshire winters, and they are Cleaner, Cheaper and Healthier for you and your family.

*Please note that free estimate services are for system replacement or installation quotes, only.  All service and diagnostic visits are subject to our hourly services rate.

Our Services

Residential Heating & Air Conditioning Installation and Maintenance Services in Portsmouth NH & the Seacoast NH area

East Coast Heating & Air Conditioning has installed high-quality HVAC and boiler systems in hundreds of Seacoast homes over the past 30 years.

Heating & Air Conditioning Services in Portsmouth NH and the Seacoast NH area

Whether you are in need of air conditioning repair, heat pump repair, furnace & boiler repair, or hot water heater repair, East Coast has the technicians to get the job done expertly and efficiently.

Our technicians are trained and experienced in all walks of light-commercial HVAC work, and consistency goes above industry standards for quality and code regulations.

For decades, ductless air-conditioning and heat pump systems have been the quiet solution for Cooling & Heating problems around the world.

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We provide reliable, expert solutions for all of your electrical projects, repairs, and maintenance. No job is too small.

Looking for a FREE estimate?

Please note that free estimate services are for system replacement or installation quotes, only. All service and diagnostic visits are subject to our hourly services rate.

About Us.

East Coast HVAC was established in 1986 by Marc Robitaille with a goal to provide the highest level of service and installations at the fairest prices possible. Now, over thirty years later, the company is owned and operated by Marc’s son Peter Robitaille. Our commitment to East Coast’s founding principles is stronger than ever.

Are you looking for a new heating or air conditioning system? Does your existing boiler furnace or HVAC system require expensive repairs? Maybe it’s not running as efficiently as it should be! Whether your needs are residential or commercial, turn to East Coast Heating & Air Conditioning for quality service and competitive pricing you can count on.

We specialize in the installation of Mitsubishi Electric Ductless/VRF, Rheem unitary equipment, and hydronic boilers by Bosch and PurePro®.  However, upon request, we are trained and qualified to service and install any manufacturer that you desire.

We are available around the clock, 365 days a year. Contact us today for an estimate at 603.430.9414.

Get to know East Coast HVAC, and learn about our standards of service for our
residential and commercial customers.
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Find out why our customers have stayed with us year after year. Click here!