Heating, Plumbing & Air Conditioning in Contra Costa County Since 1974

50 Years in Business

Air Conditioning Services

in Contra Costa County

We offer complete air conditioning services, including the installation of Bryant air conditioners and repairs for all brands. Our experienced technicians ensure seamless installations tailored to your specific needs.

Serving Contra Costa County
Alamo, Antioch, Brentwood, Concord, Danville, Martinez, Oakley, Orinda, Lafayette, Pittsburg, Pleasant Hill & Walnut Creek, CA

Air Conditioning Installation

Whether it's a new installation or a replacement, we strive to deliver optimal comfort and satisfaction to our clients by offering reliable and efficient Bryant air conditioning systems.

AC Repair

No matter the brand or model of your air conditioner, our team is equipped to handle all types of repairs. We understand that air conditioning systems can encounter issues regardless of their make or manufacturer.

$1,000 OFF

heat cool coupon


high efficiency
air conditioning system

*Not valid with any other offer

Quality is what you deserve, and that's what we deliver.

Thomas M. - Lafayette, CA
Read More

Very dependable and honest people!

We have been using Stewart Heating Plumbing Air Conditioning since 1995. They put the original heating and air unit in the house, and we have just stayed with them. They are dependable and honest people, and they have done a good job for us every time that we have used them!
Roger S. - Danville, CA
Read More

Professionalism, Punctuality, Quality, Responsiveness, Value

Very professional and complete. I would recommend Stewart to anyone. Highest quality of workmanship and clean installation.
Sami S. - Concord, CA
Read More

Their prices are fair and they do an excellent job!

Stewart Heating Plumbing Air Conditioning just did some work for us for the first time. They did an installation at my home and it turned out well. I thought the price was fair and I definitely would use them again. The technicians were very friendly and knowledgeable about their work. I highly recommend Stewart Heating Plumbing Air Conditioning and already told friends to use them.


Click here view our  latest specials &
product offerings in Pittsburg, CA.

Read Customer Reviews

Don't take our word for it. Read what our customers say.