Sam at Cal state HVAC is amazing! He fixed couple of issues for us over years and has always provided a good quality of service and is courteous He went above and beyond fixing our heating system...

Would use this company again. Fairly priced, responsive and professional. Seems to be a well run company serving not just our heat as needed but would use again for A/C in the future.

Cal State HVAC has gone above and beyond the call of duty to fix, service and maintain furnaces and air conditioners for many residential and commercial properties in all over the bay area. The...

AVOID THEM AS POSSIBLE AS YOU CAN!!! Once you pay the money in full, you will never see them again. They are unable to fulfill the commitment for post-sales service and maintenance. I've learned...

Once they collect your money in cash you never see them again. They did the work in a fair time but promised to bring filters and a new vent the next day... not!! Numerous phone calls with...