Dependable Heating, Plumbing, and Air Conditioning Services for Customers in Old Mystic, Connecticut

HARP is committed to delivering prompt and reliable heating and air conditioning services to families, homeowners, and customers of Old Mystic, Connecticut.  Our exceptional customer service, highly trained and experienced contractors, and our dedication to constantly improve are the reasons for our success for the last 30 years.

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Contact us today for all your plumbing needs.

Air Conditioning

Being prepared for summer means ensuring that your AC is in a functional condition.  However, if you haven’t had a professional tune-up for your air conditioner, you may experience some strange noises, refrigerant leaks, or problems with the thermostat. Harper has qualified cooling technicians who not only provide AC tune-ups but also offer repair services. Call us to have your unit checked and repaired in a timely manner.


Nothing is frustrating and inconveniencing like a heating system that’s beyond repair in the middle of winter. At HARP, we understand the importance of providing reliable heating installation services to the residents of Old Mystic, CT. Our certified and experienced contractors are available to provide prompt heater installations at a reasonable cost. We also offer other services like furnace and heater repair.


It’s easy to take your plumbing for granted when everything is working correctly.  However, when you wake up to a clogged toilet or leaky faucets that’s when you need the services of a reliable plumbing company. At HARP, our job is to get our plumbing system functional. We provide a range of plumbing services like toilet repairs, water piping installation, replacement  of faucets, installation of kitchen and bathroom fixtures, sewer and drain service, and more,

HARP Loves Old Mystic

HARP is glad to work with the people of 06372. From exploring Shady Oaks Park to spending time in the center of this New London County village, we enjoy connecting with our customers and neighbors. We look forward to many more years in Old Mystic, helping you with all your home maintenance needs.