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Mini-Split / Ductless Heat Pump Installation in Holtsville, New York

8 businesses offering mini-split / ductless heat pump installation with a Holtsville address in Suffolk County, NY. Updated 9-22-26.

Business	Phone	Website
Action Air RefrigerationHoltsville	(631) 736-1188	—	Report Phone doesn’t work
East Coast Air Design Inc.Holtsville	(631) 319-1510	ecadny.com	Report Phone doesn’t work Website doesn’t work
Ferrelli Mechanical llcHoltsville	(631) 447-1268	ferrellimechanicalhvac.com	Report Phone doesn’t work Website doesn’t work
Gladstone New York Heating & CoolingHoltsville	(631) 759-8879	—	Report Phone doesn’t work
Johns Fuel Oil IncHoltsville	(631) 475-8996	johnsfueloil.com	Report Phone doesn’t work Website doesn’t work
Marran (Oil, Gas, and Security)Holtsville	(631) 654-2500	marranoil.com	Report Phone doesn’t work Website doesn’t work
Total Mechanical Systems, Corp.Holtsville	(631) 475-4411	totalmechanicalsystems.com	Report Phone doesn’t work Website doesn’t work
Twin Air IncHoltsville	(631) 698-0580	twinairinc.com	Report Phone doesn’t work Website 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.

All mini-split / ductless heat pump installation in Suffolk County, by townAll 105 trades in Suffolk County