A-1 Air Conditioning Heating & Service Co., Inc. is a Heating Ventilation and Air Conditioning Contractor that has been doing business since 1971.. Our office is located in Escondido, Ca.

A-1 Air Conditioning Heating & Service Co., Inc. maintains a C-20 license HVAC in the State of California and a C-52 Ventilating & Air conditioning license in the state of Hawaii.

We carrying a 2 million dollar liability insurance policy and are covered by workman's comp insurance as well as being bonded in both California and Hawaii.

We do all aspects of commercial construction, whether it is a ground up Building or just a Tenant improvement project. We can help with your design need's also. We are a Honeywell Commercial Comfort and Energy specialist contractor that can build a controls system that will help you save energy and still maintain the indoor comfort that you desire.