About Us

The HACI family of companies includes HACI Mechanical Contractors, Inc and HACI Service, LLC. HACI Mechanical Contractors, Inc. is a full service mechanical contracting firm providing new construction HVAC and plumbing contracting since 1972. 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.