California's leading  provider of HVAC heating air conditioning and climate control - RASSAC's Logo
    Client Login Button - Go Allows RASSAC clients to manage their accounts online
RASSAC Tag Line - "Your Comfort is Our Business" for HVAC Services
RASSAC's contact phone number "818-957-2970" to inquire about Heating, Ventilation and Air Conditioning(HVAC) Services in California
Icon Button - "Request a Bid" RASSAC offers FREE ESTIMATES online submission of AC and Heating jobs to visitors RASSAC's fleet of air conditioning and heating service vans and trucks servicing Califoria residential, commercial and industrial climate control needs Icon Button - "Request Service Call" RASSAC offers online submission of request for Air conditioning and heating services
Nav Button - "About Us" Information on RASSAC who provides  HVAC services in california
Nav Button - "Service" Information on the HVAC services RASSAC provides in california
Nav Button - "Did You Know" Information resource on Heating Ventilation and Air Conditioning Systems provided by RASSAC the HVAC specialists in california
Nav Button - "Our Clients" A list of clients RASSAC has provided HVAC services to in california
Nav Btton - "Work Gallery" A gallery of photas of RASSAC's mobile work force on the job providing HVAC services in CA
Nav Button - "Job Opportunities" Information on how to contact RASSAC for employment in the HVAC industry located in CA

RASSAC is dedicated to the Service, Installation, Preventative Maintenance, Tenant Improvement and operations of mechanical systems for a broad range of sites from Residential, Malls, Retail Stores, Major Chain Stores, Office Buildings and Health Care facilities.

Established in 1990, Rassac is a continuation of a family business started in 1927, three generations now, with workforces located in Southern, Central and Northern California.

We are specialists in year-round climate control. Whether you want interior cooling, heating or a specially controlled temperature-humidity environment Rassac can and does provide the very best. We’re a team of dedicated craftsmen with over 50 total years of experience, ready to put all our skills to work to serve …for year after year after year.

Your needs come first. Our service and installation experts consult frequently with you before they design and install the system, which most ideally serves you. Ease, efficiency and economy are of paramount concern. We make sure every dollar makes sense for you!