CJ’s Mechanical Services provides in-depth fully capable commercial HAVC and AC repair service to maximize the indoor comfort of your business in Santa Rosa. Our technicians have the knowledge and training to service and install all makes and models of commercial heating, cooling and indoor air quality systems.

The heating and the cooling team of professionals at CJ’s Mechanical Services provides unparalleled customer satisfaction by combining over 30 years of experience with top-of-the-line products. The comfort of your employees and clients, throughout the workday, depends on our performance, and we take your business seriously. We offer a broad range of services, meeting any heating and cooling needs you may have, while also providing the best prices in the North Bay.

Air Conditioning 

At CJ’s Mechanical Services, we know that a sudden breakdown of your heating and cooling system can cause a significant interruption to your business. Our specialists have faced all types of air conditioning/AC complications and are prepared to handle any repair, start to finish, never leaving you in anything less than a perfect indoor climate. Make sure to call our offices today and setup an in-depth evaluation of your business’s air conditioning/AC systems.

Heating Systems

CJ’s Mechanical understands that every business is unique, and every heating and cooling system prevents different challenges. When you call CJ’s Mechanical Services, our certified technicians, factor in square footage, the number of rooms, insulation, windows, climate, local and regional utility costs and allergies into a system that fits your budget. We partner with reputable companies to provide the most dependable HVAC systems on the market, ensuring the latest technology, quietest operation, and unmatched reliability.


Your Commercial Maintenance Agreement is a valuable service for your business. Regular service and maintenance for your HVAC system and Appliances can save you hundreds of dollars over the life of the product and maximize your energy costs! In fact, the savings from your properly maintained equipment can cover the cost of your CMA investment.

Download Agreement