Mechanical Contractors, Inc.
Service, LLC.

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About Us

HACI is a premier Mechanical Contracting firm in the Valley of the Sun, serving the state of Arizona from our Phoenix office.

Celebrating 45 years of service, HACI was founded in 1972 as Home Air Conditioning, Inc, specializing in converting residential evaporative cooling to refrigerated air conditioning. In 1975, the company expanded into light commercial and retail HVAC, and by 1980 our focus had shifted entirely to commercial HVAC. In 1995 an HVAC piping department was added; in 2010 we added an HVAC plumbing department to be your Full Service Mechanical Contractor. We are proud to say our annual volume of work has grown to $50 million in the past five years.

Today, HACI constructs a variety of jobs in both public and private sectors, from shell buildings to tenant improvements. We have extensive experience in design-build and design-assist projects as well as plan-and-spec. We have an excellent working relationship with many of Arizona’s largest General Contractors, as well as with several mechanical engineering/design firms.

In addition to our main Mechanical company, we have HACI Service, LLC which does retrofits, smaller construction projects, and service. HACI Service, LLC is available to service your equipment after warranty expiration. This eliminates the need to recover original construction information as we have it for use by our service department.

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