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Stewart Heating & Air - 41 Reviews - 620 Garcia Ave E, Pittsburg, CA - Heating & Cooling Contractors Reviews - Phone (925) 526-6890
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Stewart Heating & Air

620 Garcia Ave E (at Harbor Street)
Pittsburg, CA 94565
(925) 526-6890
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Stewart Heating & Air - Pittsburg, CA


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Don is a true professional. Arrives on time, experienced and honest in his appraisals.


All reviews seem positive

Don McKinzie 10/26/2017

Don is a true professional. Arrives on time, experienced and honest in his appraisals. more

AC stops during heat wave 7/11/2017

Thought I'd be fleeced but had a great experience with this company. They sought out ways for me to save and Don M was a good technician. Friendly, helpful, and courteous more

Great Job 5/31/2017

Don did a great job. He was efficient, courteous, & tidy. He did the job quickly, and left no residue behind.. He was pleasant to deal with. more

Install heating unit 2/20/2017

Kevin did a good job in determining that I needed a new heater. Paul and jeff did a good job of installing the new heater more

energy evaluation 1/23/2017

Very professional and thorough in evaluating multiple needs in an older home. Both Paul and Rich were friendly, competent and informative. Obtained useful information about solar. more

Servicing our Disposal and Receptacles 12/29/2016

James R. did a wonderful job servicing our broken disposal and receptacles. He's very knowledgeable, friendly, professional, and efficient. He's also very patient as I have two very active toddlers. more

Kitchen Faucet installation 10/4/2016

James R from Stewart Heating, Air and Plumbing just completed a kitchen faucet installation for me and i am very pleased. He was on punctual, polite, neat and completed the job in the time he quoted. Thank you James! more

Great service 9/11/2016

Technician, Don M., was prompt, courteous, thorough in his work, and kind. He discussed what he was doing and went out of his way to service the built on humidifier that is vitally important to our parrots. He cleaned up afterwards before he left. He should wear booties in all houses he enters or ask first before entering the house. more

Friendly Technicians Give Good Service 8/25/2016

We have been using this company for about 20 years. They installed our heating and AC, which have worked reliably over the years. Don is always friendly and does a thorough maintenance check. He makes sound recommendations without trying to upsell us on unnecessary projects. This time Sam was part of the team. He is also very pleasant and conscientious. It was a pleasure to have such nice guys inspect the equipment. more

Water Heater Rlacement 8/20/2016

Showed up promptly at appointment time and did a quality job replacing a large water heater. more

great service 8/11/2016

Paul S. did outstanding job. Checked to make sure everything in perfect working order and safe. more

James R. 7/16/2016

James was very professional, knowledgeable and curteous. I would recommend him and Stewart Heating & Air to anyone. Kristin Villyard more

Great Service 7/14/2016

Paul came as promised. He checked out and cleaned the entire system. He was polite and really knew his stuff ! more

Check out of Systems, air and heat 5/23/2016

We are very pleased to have a checkout of our systems as we face the summer. We found out the we needed to replace an inexpensive item for air conditioner. We also found out that even though we have a fairly new looking duct system, we could use redoing it, not sealed well and too small capacity air flow. I felt like the service took the systems seriously. I felt like we were at the auto service center, details I was unaware. Thorough service call. Thank you Sam. Delightful, personable, honest. Took time to show how easy Bryant app was to use! more

Extraordinary plumbing faucet repair. 2/1/2016

I have installed in one of the bathrooms a hot and cold plumbing source. The appliance installed was of a South American manufacture which workable parts unfortunately was secured by glass mirror. It sprung a hot water leak. James arrived to hopefully fix the problem, assuring me that it was not necessary to break the mirror to get at the works. He unsecured the turning tap. saw the part that had to be replaced, told me what it was, whereupon, after much detective work with suppllers, I located such in a Chicago plumbing facility. I received the part in the mail, phoned Stewart Heating and they sent James again to carry out the repair, which he did with great experience and good nature and an enjoyable personality Thank you, very much James more

Excellent 1/19/2016

James did a thorough and professional job. Everything was left in perfect order. more

Don M 11/9/2015

When I made the appointment for my furnace to be serviced, I explained that I needed someone to come as early as possible so I could go to work. Then I hoped for the best. Don showed up, bright and early. He was a true professional - courteous, thorough and efficient. I am all set for the winter - thanks to Don! more

Who wants to fix my AC in 100 degree weather? 8/17/2015

Sergio was professional, on time, and fixed my air conditioner with no nonsense, nor did I feel taken! I will use them again. Heather more

Great Service 7/13/2015

Had an air conditioner emergency and Jamie at Stewart got in touch on a weekend in the middle of the night to help remedy the problem over the phone. He then showed up first thing on Monday to fix the problem. He was very pleasant to work with, explained the problem thoroughly and fixed the problem. Overall was very impressed with the responsiveness and overall customer service. more

Home visit 7/9/2015

Great service! Very thorough! more
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Owner Message

  • Serving Contra Costa County homeowners since 1974. A residential Heating, Plumbing and Air conditioning service company. Repairs, Maintenance, and replacement. Water heater experts. Indoor air quality products and testing. PACE Energy Upgrade contractor.

Additional information

  • Hours:

    Open Daily 24 Hours, Open 7 Days, 24 Hour Emergency Service Available