Heating, Cooling, & Refrigeration Repair, Maintenance, and Equipment replacements in Fresno, CA and the greater central valley

Providing Superior Service, Products & Solutions

24 Hours Emergency Service

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(559) 347-9500

Commercial and Industrial Air Conditioning, Refrigeration and Heating Services

Keep your business and employees comfortable with help from your local commercial and industrial heating and cooling experts at PMSI. We offer service from union certified technicians who have extensive experience and training in heating, cooling, and refrigeration equipment from all major manufacturers. So, when your air conditioner can't keep your property cool, your refrigeration is too warm or too cold for your product, or your heating equipment is malfunctioning, call us at (559) 347-9500.

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List of Services

Commercial and Industrial Heating, Cooling and Refrigeration
You may not think about it until it stops working, but your heating and cooling system plays a big part in employee productivity and customer satisfaction. Outdated or malfunctioning indoor comfort equipment could cost you unnecessary energy expenses, a loss in sales, and a reduction in productivity.

When the air in your business is too hot or too cold, let our technicians diagnose the problem. We will make a timely repair or install high-quality equipment that can save you money on your energy bill in the long term.

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What We Do:

Commercial & Industrial

24-Hour Emergency Service
Free Estimates on Equipment Replacements
Air Conditioning Installation
Air Conditioning Repair and Maintenance
Heating System Installation
Heating System Repair and Maintenance
Boiler Installation
Boiler Repair and Maintenance
Refrigeration Installation
Refrigeration Repair and Maintenance
Indoor Air Quality Equipment Installation
Indoor Air Quality Equipment Repair and Maintenance

Why Choose PMSI?

PMSI has over 160 years of combined experience on staff. When it comes to heating, AC, and refrigeration services in Fresno and the Greater Central Valley, we have seen it all and we can do it all. We work on all makes and models of commercial and industrial heating, cooling, and refrigeration equipment, so you can trust us to take care of your system effectively, no matter the type or manufacturer. For your peace of mind, we are fully licensed, bonded, and insured.