Brentwood began as a community in the late 19th century. Brentwood began as a community in the late 19th century. The community is still known throughout the Bay Area for its agricultural products – primarily its cherries, corn and peaches. Many of the old farms and orchards have been replaced by suburban developments since 1990. Brentwood is increasingly residential, with the rate of population growth in the triple digits during the 1990s and 69% from 2000 through 2010. An official estimate showed the population increased nearly 21% during the period 2010 to 2016.
AC problems in Brentwood, CA and Contra Costa area seem to spring up at the worst possible time, creating a degree of urgency for them to be fixed. Luckily, your local Certified technician is more likely than not to diagnose and fix your problem on the first visit. We keep a large percentage of parts stocked at our warehouse, helping to ensure quality and fast turnaround time. We live up to our name, by offering a 24-Hour Fix-It Guarantee!
Is your AC unit blowing warm air? The most common causes are typically:
- An overdamping compressor
- Capacitor failure
- Low refrigerant
These can be interrelated issues. For example, a unit running on low refrigerant can put more issues on the compressor. Certified Heating and Air Conditioning has more than 20 years of experience in diagnosing and treating common AC problems.
Furnace problems in the East and North Bay area seem to spring up at the worst possible time, creating a degree of urgency for them to be fixed. Luckily, your local Certified technician is more likely than not to diagnose and fix your problem on the first visit. We keep a large percentage of parts stocked at our warehouse, helping to ensure quality and fast turnaround time. We live up to our name, by offering a 24-Hour Fix-It Guarantee!
Is your unit feeling colder than normal? There are many causes:
- An airflow issue
- Old/leaky ductwork
- Rodent issues
- Design problems
- Dirty air filters
Brentwood, CA Heating and Air Conditioning Services
Check out what our customers are saying about Certified Heating and Air Conditioning – Air Conditioning and Heating Services!
Local Reviews
for Brentwood, CA
Great service!
Gina - Brentwood, CA 94513
Always good service
BrentwoodCA94513 37.9375-121.6875
Response from Certified Heating and Air Conditioning:
Hello Gina, Thank you for sharing your review! - Certifed Customer Care Team
Excellent Service!!!
Brian - Brentwood, CA 94513
Very good service!!!
BrentwoodCA94513 37.9225-121.72
Response from Certified Heating and Air Conditioning:
Hello Brian, Thank you for your review! Certified Customer Care Team
Always great service.
Kevin - Brentwood, CA 94513
Very informative
BrentwoodCA94513 37.9475-121.7075
Response from Certified Heating and Air Conditioning:
Hello Kevin, Thank you for sharing your review. -Certified Customer Care Team
Great service!
Dan - Brentwood, CA 94513
Awesome technician
BrentwoodCA94513 37.9525-121.74
Response from Certified Heating and Air Conditioning:
Hi Dan, Thanks for sharing your review! -Certified Customer Care Team
Good service
Wanda - Brentwood, CA 94513
Kelsey was very nice and fixed the issue quickly.
BrentwoodCA94513 37.9275-121.695
Response from Certified Heating and Air Conditioning:
Hello Wanda, Thank you for sharing your review of our great teammate Kelsey. -Certified Customer Care Team
Great service
Ruth - Brentwood, CA 94513
Very pleasant and informative. Goes through all that was done on the service. So far so good.
BrentwoodCA94513 37.895-121.72
Response from Certified Heating and Air Conditioning:
Hello Ruth, Thank you for sharing your review! We are happy to be of service to you and provide annual maintenance on your HVAC system. -Certified Customer Care Team
Excellent Service
Nigel - Brentwood, CA 94513
Just wanted to let you know that again I received top notch service from Certified, these guys rock!
BrentwoodCA94513 37.9325-121.75
Response from Certified Heating and Air Conditioning:
Hi Nigel, Thank you for being a loyal client of ours. We love our clients! Glad we were able to rock at your annual maintenance! -Certified Customer Service Team
Excellent service
Brian - Brentwood, CA 94513
BrentwoodCA94513 37.9225-121.69
Response from Certified Heating and Air Conditioning:
Hi brian, Thank you for sharing our 5-star review! -Certified Customer Care Team
Perfect service
Jim - Brentwood, CA 94513
Eric was on time, congenial, knowledgeable and efficient.
BrentwoodCA94513 37.92-121.72
Response from Certified Heating and Air Conditioning:
Hello Jim, We are glad Eric met your standards and provided great service eon your annual HVAC maintenance. Thank you for sharing. - Certified Customer Care Team
Excellent customer service I would highly recommend certified solar and heating and air conditioning to take care of any of my problems
Karmen - Brentwood, CA 94513
Eric did excellent job and very thorough. I was so happy that he found the problem in the attic and so I’m gonna take care of that mice or rat problem on Monday, but again certified is fantastic and I would highly recommend this company to everyone I know thank you again for your excellent customer service. Have a wonderful weekend.
BrentwoodCA94513 37.935-121.7025
Response from Certified Heating and Air Conditioning:
Hello Karmen, Thank you for writing this great review and sharing your great experience with our fantastic teammate Eric. We are glad he went above and beyond to bring things to your attention during our HVAC maintenance visit. -Certified Customer Care Team
Ben C.
Completed diagnostic, found faulty thermostat replaced and restored system to proper running function. Clients happy and now have working heat.
Kelsey H.
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If you are searching for reliable heating and AC technicians in Brentwood, give Certified Heating and Air Conditioning a try. We have established a solid customer foundation in Contra Costa county over the past four years because of our dedication to the customer backed by numerous guarantees. We are home of the FREE second opinion, so if you feel like you’ve been treated unfairly by another company, call us – our family-owned, family-run company will bring you in and treat you as our own.