ABOUT Climate Control

Building Confidence in Mechanical
Design, Construction & Service

Mechanical systems are the heart of buildings. They make buildings more marketable, more comfortable, and more profitable. A properly designed, installed, and maintained mechanical system conserves energy, cuts absenteeism, increases productivity, and reduces tenant turnover. It can save an owner a great deal of money.

Since 1934, owners and builders have selected GM Climate Control Engineered Systems to design, install, and maintain more than 250,000 mechanical projects.  GM Climate Control is an employee-owned company dedicated to the design, fabrication, installation, maintenance and service of commercial and industrial HVAC, refrigeration, plumbing, process piping, and building automation systems.

GM Climate Control has gained a wealth of knowledge since its founding, and has grown to be the largest and most experienced environmental firm in the Western United States, and among the top three nationwide.

Whether your project is a low or high-rise office building, a shopping mall, hospital, semi-conductor fabrication facility or pharmaceutical manufacturing plant…GM Climate Control can design, build, install, and maintain a mechanical system to meet your needs.

GM Climate Control has found success by evaluating overall system performance, ease of installation, reliability and long term energy consumption costs, and how these variables relate to an owner’s needs.  Through innovative engineering, comprehensive design solutions, consistent work quality, and qualified maintenance; GM Climate Control confidently delivers the best possible solution.

GM Climate Control offers complete in-house engineering, fabrication, installation, commissioning, and service capabilities. This integrated delivery system provides customers with the most practical, cost effective solutions for their particular mechanical and control system requirements.

GM Climate Control is licensed in the States of Arizona, California, Florida, Hawaii, Idaho, Nevada, Oregon, Utah and Washington.

GM Climate Control’s Mission

Our mission is to provide our customers with the most cost-effective mechanical systems for their facilities through the integration knowledge of engineering, construction, and service.

GM Climate Control’s Beliefs & Values

The well-being of our employees is essential to our success.

We are committed to our customers and products for life.

Our suppliers need to be partners in our responsibility to our customers.

The health and safety of our employees, customers and the public are never to be compromised.

By delivering quality and value to our customers, our stakeholders will receive a fair return on their equity.

Employee ownership is the wellspring of our success.

Strong relationships are based on performance and ethical standards.

GM Climate Control History

GM Climate Control Engineered Systems was founded in 1934 as Air Conditioning Company (GM Climate Control ), a proprietorship, by Ira Prentiss Fulmor at 1005 Santa Fe Street, Los Angeles. The former name of the company was chosen to indicate what the company did because few people knew about air conditioning. In 1949, the business moved from downtown Los Angeles to Glendale where it transformed from an air conditioning distributor to become an independent corporation.  After 70 years in Glendale, GM Climate Control moved to its headquarters to 888 East Walnut Street in Pasadena.  Jeffrey Marrs became ACCO’s sixth President & CEO in 2016.

Over the years GM Climate Control has expanded its leadership role in the design, installation, and service of industrial, commercial, high-rise, residential, and institutional air conditioning, heating, ventilation, plumbing, process piping, electrical and DDC control systems. GM Climate Control ’s name was changed in 2002 to GM Climate Control Engineered Systems to better reflect the many aspects of its business. A national trade publication has consistently ranked GM Climate Control among the 3 largest heating, ventilating, and air conditioning contractors in the nation. The company, including its subsidiaries, has an average of 3,000 employees, and offices and manufacturing campuses that occupy more than 20 acres, spanning 32 locations.

GM Climate Control ’s mechanical systems occupy facilities in a wide variety of industries, including commercial office space, biopharmaceutical R&D, semi-conductor, micro-electronics, medical/healthcare centers, manufacturing plants, entertainment, retail, telecommunications, education, data centers, and high rise residential.

GM Climate Control has completed work in Arizona, California, Florida, Hawaii, Illinois, Louisiana, Maryland, Michigan, Nevada, New Jersey, New Mexico, Oregon, Tennessee, Texas, Utah, Virginia, Washington, Washington D.C., and Mexico.

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