Brewer Refrigeration Heating and Air Conditioning, Inc. is the top HVAC provider in the Grass Valley, CA area. This business began in 1980 with one talented and driven man doing commercial refrigeration and HVAC by himself. Since then, Brewer has grown to include installation of commercial and residential systems and to provide other services. We are factory authorized Carrier dealers with NATE certified technicians. All of our employees are journey men with years of experience and know how to treat our customers properly.