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Over 25 years of HVAC service experience in Dublin!
About Us

Heating & AC Repair in Dublin

Boat A Dawn Walnut Creek, California

Dublin is a suburban city of the East Bay in California. It is located within the Amador Valley of Alameda County’s Tri-Valley region. Dublin is located in the Tri-Valley, many people take Bart or Drive to bigger cities near us to work, including San Francisco.

AC Repair & Replacement Service in Dublin, CA

AC problems in Dublin, 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 & Air Conditioning has more than 20 years of experience in diagnosing and treating common AC problems.

Furnace Repair & Heater Replacement Service in Dublin, CA

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
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If you are searching for reliable heating and AC technicians in Dublin, give Certified Heating & 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.

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