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HVAC Repair in Diamond Bar, California

12 businesses offering hvac repair with a Diamond Bar address in Los Angeles County, CA. Updated 9-22-26.

Business	Phone	Website
ABR Air Conditioning, Heating, and RefrigerationDiamond Bar	(909) 343-8847	abrmechanical.co	Report Phone doesn’t work Website doesn’t work
AC Heat Diamond BarDiamond Bar	(840) 239-6590	acheatdiamondbar.com	Report Phone doesn’t work Website doesn’t work
ATC Independent Toyota Lexus Scion.Diamond Bar	(909) 396-8696	atcdiamondbar.com	Report Phone doesn’t work Website doesn’t work
Evergreen Air Conditioning & HAVC Professionals Diamond BarDiamond Bar	(909) 413-0245	evergreenairconditioningprofessionals.services	Report Phone doesn’t work Website doesn’t work
Expert HVAC Diamond BarDiamond Bar	(909) 747-6610	—	Report Phone doesn’t work
Honest Pro Air Conditioning & Heating - HVACDiamond Bar	(909) 990-7996	honestproair.com	Report Phone doesn’t work Website doesn’t work
Mac Refrigeration & Air ConditioningDiamond Bar	(909) 861-7600	—	Report Phone doesn’t work
McMaster MechanicalDiamond Bar	(714) 497-0225	—	Report Phone doesn’t work
Neko Universal Furnace RepairDiamond Bar	(909) 363-3311	—	Report Phone doesn’t work
Rodil AceDiamond Bar	(909) 860-4970	acerodilhvac.com	Report Phone doesn’t work Website doesn’t work
Sam's Refrigeration Air ConditioningDiamond Bar	(909) 861-5560	—	Report Phone doesn’t work
Trane SupplyDiamond Bar	(626) 913-7913	tranesupply.com/store-locator/?query=diamond+bar&y_source=1_	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.

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