Years of Service
Years of Service
(925) 203-9141
Bay Area Heating, Plumbing & Air Conditioning Since 1974
Residential Heating and Air Conditioning
Stewart Heating and Air provides honest, effective service in a professional manner. The work done is always at a five star level. Service providers are careful about the home they enter to serve. Work completed is thorough. I feel the job being attended to will be done fully with no hassle for me.
Sharon M. - Lafayette, CA



Excellent attentive service! Professional and knowledgeable. Would highly recommend! So glad we chose Stewart Heating and air!
Monica H. - Vallejo, CA

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Residential Heating & Air Conditioning

Indoor Comfort Control means more today than it did a decade ago. Current options allow us to provide you with the ideal comfort solution for your specific needs that will be reliable and affordable. We also offer options like air purification, advanced controls, zoning and remote access. The categories below will help educate you about HVAC offerings and concepts, however please don't hesitate to call us at (925) 203-9141 as we are happy to assist you!

Gas Bills

Who Keeps Messing Around With Your Home's Gas Bills?

Right now, high fuel and energy prices top the list. But really, who likes paying 64% more than just 5 years ago? Oh, it's great that energy companies brag about "windfall profits" and all, but how does that help you and me? Read more here

Energy Audit

Brrrrreaking Bad Winter Chills

Last season, did you have so many heating equipment problems that the repairman started to feel like part of the family? Did you hear "strange noises" coming from the furnace? Read more here

is the furnace even working

Hey, I'm freezing in here. Is the furnace even working?

Oh, wow. Here we go again. On the first cool day last winter, we received WAY too many calls from homeowners having problems just like this one. Read more here

Beat High Natural Gas Prices

Beat High Natural Gas Prices Plus Get a $680 Trade-In for Your Old Energy Wasting Furnace

It's about time someone made it easy to win at this game: read on

Smart Home Value

Get at least $303 of Smart Home Value for just $97

"No way" you say. I don't blame you for that. But this will make perfect sense soon. But here's the smartest fix to that problem: Our Fall Ultimate Tune-Up. Read more here

Heating, air conditioning and indoor air quality affects the comfort of your home, the health of your home, and the size of your utility bills. Stewart is here to bring your indoor comfort control to a more efficient, more sophisticated level. We want to enhance the level of your home comfort. Call us today at (925) 203-9141.

NATE Certified Contractors
Comfort Tips
Read our reviews on ReviewBuzz
BBB Accredited
Bryant Factory Authorized Dealer
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