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HVAC Repair in Greenlawn, New York

4 businesses offering hvac repair with a Greenlawn address in Suffolk County, NY. Updated 9-22-26.

Business	Phone	Website
Alpha & Omega Heat & AirGreenlawn	(631) 922-6232	—	Report Phone doesn’t work
DZ Plumbing and MechanicalGreenlawn	(631) 923-8600	—	Report Phone doesn’t work
Harborfields Heating & Cooling IncGreenlawn	(631) 261-1650	harborfieldshc.com	Report Phone doesn’t work Website doesn’t work
John Mc Laughlin Plumbing & HeatingGreenlawn	(631) 261-1217	—	Report Phone doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

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