HACI was founded in 1972 as Home Air Conditioning, Inc., specializing in converting residences from evaporative cooling to refrigerated air conditioning. Over the years our focus has shifted, and by 1980 we had moved to commercial work and away from residential work. We changed our name to HACI Mechanical Contractors, Inc. to more accurately reflect what we do now, but to honor our past, we retain HACI as part of our corporate name. HACI Service, LLC was added to provide better service to smaller construction projects, TIs, and retrofits. HACI has grown to be one of the largest private, locally-owned commercial Mechanical Contractors in Arizona.

HACI Mechanical Contractors, Inc. is a full service mechanical contracting firm providing new construction HVAC and plumbing contracting. HACI Service, LLC provides commercial HVAC hourly service as well as commercial HVAC retrofit, remodel, and tenant improvement services.

HACI specializes in design-build and design-assist projects across all of Arizona. HACI has a wide range of project experience including office, educational, healthcare, detention, hospitality, sports venues, government facilities, retirement facilities, and multi-tenant and condominium buildings.

HACI’s long term employees have the experience and expertise to provide detailed pre-construction services, building information modeling (BIM), LEED/Green construction expertise, in-house sheet metal fabrication and piping and plumbing pre-fabrication, and post project commissioning and warranty services.

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HACI Mechanical Contractors, Inc.

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