HARP Service has partnered with Old Lyme, Connecticut, homeowners for many years. From heating and air conditioning repairs to plumbing work, there’s no job too big or too small for our technicians. Families rely on HARP for consistent service, professionalism, and prompt response times—no matter when you call. Whatever home maintenance task is next on your list, contact HARP for help.

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Air Conditioning

Professional tune-ups are a cornerstone of HARP Service. Our technicians maintain your air conditioning system and provide repairs as necessary. With regular upkeep, your AC performs better and more efficiently. You may even notice lower energy bills—and you’ll experience more consistent and lower temperatures through the summer months.


Tune-ups for your home heating system are another item to check off your to-do list. HARP HVAC technicians know their way around many brands and models. Whatever type of heater, boiler, or furnace you have, knowledgeable HARP team members can repair, replace, install, and inspect it all. Our comprehensive warranty coverage and service guarantees ensure you’ll be happy with the result.


Plumbing problems can quickly go from bad to worse. With HARP’s professional plumbers, you don’t need to worry about leaks, clogs, or lack of hot water anymore. We service water heaters, leaky faucets, clogged drains, and more. If you need your property replumbed or have leaks or other pipe problems, HARP can handle it.

HARP Loves Old Lyme

Old Lyme, CT, 06371, is home to many attractions. From Florence Griswold Museum to Ferry Landing Park and Sculpture Grounds, there’s so much to see. HARP loves being part of Old Lyme and its vibrant neighborhoods.

We love serving heating and cooling customers in the area. HARP looks forward to being part of your community for years to come.