To our Customers Regarding COVID-19
1974 - 2020
46 Years
of Service
1974 - 2020
46 Years
of Service
(925) 427-5522
Bay Area Heating, Plumbing & Air Conditioning Since 1974
Residential Heating and Air Conditioning

Stewart Heating and Air did a maintenance check on my heater today. Rich L. was very professional. He was at my home for about an hour and a half--checking on heater parts, temperature control and filters. Had to order a few parts, but my heater is almost 15 years old and still working well! Great company!

Rich L. | Heater Service
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Residential Heating & Air Conditioning in Contra Costa County

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) 427-5522 as we are happy to assist you!

Heat Wave

Why Your Air Conditioning System Needs Prep Work for Summer's Long, Hot Run

If you've never jogged a mile in your life, how well do you think you'd do in a marathon? Could be a struggle, wouldn't you expect? Well, your air conditioning system is about to launch into a serious marathon. Read more here

Lower Your Power Bills

5 Ways To Significantly Lower Your Power Bills This Summer That Really Work

We want to help you keep your home cool this summer so you don't pay outrageous power bills during these hot months. So, here are a few things you can do ... Read more here

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

Broken Furnace

It's a Little Bit Like a Bomb ... that just happens to heat your home.

The headline is both scary and true. No one likes to think about living with such a threat, but an un-serviced or worn-out heating system can become very dangerous, very quickly. Read more here

HVAC Products

Indoor Comfort Products
Modern indoor comfort control has a lot of really cool options for maintaining ideal comfort and air quality in your home. We build our solutions using equipment from one of the leading manufacturers in the industry.
Save The Cat

Above Average Contractor
We are set apart by our commitment to going the extra mile for customers. A fun example of this took place on a normal summer day, when a homeowner called us to save her cat, trapped inside the ductwork.
HVAC Dictionary

HVAC Dictionary
Are you confused by the terms we HVAC contractors throw around? We take great care in making sure our customers understand the details they need to understand, but you can also do some self learning via the link below:

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) 427-5522.

NATE Certified Contractors
Comfort Tips
BBB Accredited
Bryant Factory Authorized Dealer
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