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

50 Years in Business

Air Conditioning Installation in Walnut Creek, CA

When your home needs air conditioning installation in Walnut Creek, CA, Stewart Heating and Air Conditioning is the HVAC company to call. We install the best quality equipment with the best warranties.

We’ll make purchasing a new air conditioning system a good experience. Our NATE certified technician will provide you with all of the information you will need to make the best choice for you and your family. We will install an air conditioning system designed for your needs, with maximum efficiency, at a price you are comfortable with. We perform all AC installations to the manufacturer’s standards to ensure an accurate SEER rating and proper airflow.

Professional Air Conditioning Installation

The technicians at Stewart Heating, Plumbing & Air Conditioning are NATE certified, meaning they have the knowledge and skill set to ensure that the AC you purchase is the most appropriate & energy-efficient for your home, and that it’s installed correctly for increased savings and comfort.

Get an estimate for air conditioning installation in Walnut Creek.

AC Replacement in Walnut Creek

So you’ve finally come to the decision to have your AC unit replaced. It’s a wise decision because a new unit will be more energy efficient. If your old cooling systems lacked efficiency, your new one definitely won’t.

Many homeowners rely on cranking their air conditioning system up. That not only means that the temps drop and you stay cool, but the bills rise and so does your blood pressure. Don’t stress any longer as we have you covered. That new unit you’ve been wanting is available. Call Stewart’s today for a quote on your AC replacement in Walnut Creek.

What to Expect

  • We’ll calculate the right size air conditioning system for your home – not too big or too small – using latest industry standards
  • We design and install your new HVAC system according to manufacturer’s specifications
  • We’ll complete the air conditioning installation quickly, efficiently, and with as little disruption as possible
C. Lauren
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Hired Stewart Heating and Air to diagnose and repair a malfunction in my Bryant AC condenser. I called and spoke the Heather (the scheduler), who was every polite and sent out a tech for later the same afternoon. Their technician, Jamie, was over an hour early for the appointment (he called first to make sure it was okay), was incredibly professional and well versed with Bryant products. He didn’t waste time or fumble around to rack up the labor hours. He was quick to recognize the issue and even had the correct repair part in his truck. Pricing for labor and materials was completely fair. We’ll 100% hire Stewart Heating & Air again.


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