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Southern California HVAC — Expertise, Reliability, Comfort and Value

Since 1991, Western Mechanical has provided industrial, institutional and commercial customers with reliable and effective service and preventive maintenance for their air conditioning, refrigeration, ventilation and heating systems. As Southern California HVAC contractors we install, retrofit and maintain the newest energy-saving green HVAC systems, delivering maximum comfort and high energy efficiency for every customer.

About Us


Carrier i-Vu® Web-based BACnet® Building Automation System (BAS) for iOS®-, Android™- and Windows®-based tablets.

Our business success is due to our loyal customers. They appreciate our professional expertise, reliability, attention-to-detail and our consistent promise and follow-through in doing "whatever it takes" for their Southern California HVAC service and maintenance needs. We strive to delivery value and usually serve as their trusted HVAC advisors. We create customized solutions within each customers’ budget parameters to address their specific needs and requirements. Our management team and our highly-trained and valued service technicians truly enjoy their role as guardians of the comfort and energy efficiency we create and maintain for our customers’ facilities.

We take pride and work to stay abreast of the latest technological innovations. As a union HVAC contractor, all of our technicians are required to complete a 5 year apprenticeship program. During the course of this program, technicians attend classes twice weekly and are trained on all aspects of the HVAC industry. This ensures that our customers benefit from having a qualified journeyman who can fix it right the first time. Our staff attends manufacturer and other certification classes and it is our policy to stay current with the latest product technical updates. We are actively involved in the Mechanical Service Contractors Association to the benefit of our customers and our staff. Advising our customers on how to "Go Green" and save money and energy is also one of our company’s long-standing passions.

We invite you to call us today and experience our unique brand of customer service. Let us show you how we can put our experience and expertise to work for you.