Your Reliable Heating & Cooling Services in Orange County

AC & Furnace Repair for Fullerton and All of Orange County

Current HVAC Promotions

Fast, Reliable HVAC Services Since 2016

Looking for dependable heating and cooling solutions in Fullerton or Orange County? At Jamison Heating and Cooling Services, we specialize in AC and furnace repair backed by expertise, friendly service, and a commitment to excellence. Whether you need emergency repairs, seasonal tune-ups, or a complete system upgrade, we’re the team homeowners and small businesses trust.

Whether it’s a small residential issue or light commercial HVAC project, we’re prepared to help with:

Air Conditioning

Heating

Indoor Air Quality

Heat Pumps

Ductless

Why Choose Jamison?

Since 2016, Jamison Heating and Cooling Services has proudly served Orange County and Los Angeles with honest, top-quality HVAC repair and indoor air quality solutions. We help clients stay informed on city and state efficiency codes while offering cutting-edge products that enhance comfort and save energy.

Our mission is simple:
Clean installations. First-class customer service. Reliable repairs—every time.

Proudly Serving Southern California

From Fullerton to Laguna Beach, Jamison Heating and Cooling Services offers prompt HVAC repairs and installations across Orange County, Los Angeles, Riverside, and San Bernardino counties.

What Our Clients Say

      EXCELLENT  
   Based on 294 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Michael Eaton 
 
 
 
 Trustindex verifies that the original source of the review is Google. Super happy with all the guys that were here:  Oscar, Marcos, Orlando, Eric, Miguel, Jorge and Chris.   Very nice work, clean, done right.   I used to work in construction and can honestly say this crew is outstanding!  I am very thankful to them all for a great job.   AC is so nice throughout the house and super quite.
Thank you again!
  
 
      Posted on Google  
   
   maria recio 
 
 
 
 Trustindex verifies that the original source of the review is Google. They were thorough.  My husband was very happy of the outcome.

Would use them again.
  
 
      Posted on Google  
   
   NN Lee 
 
 
 
 Trustindex verifies that the original source of the review is Google. Best prices amazing customer services. I am sold. Dan is such a professional Tech he goes out of his way to get the job done and would help you in anyway he can. He is very experienced.  Janet is just a problem solver at the office. She is so helpful.  They have such an incredible team. I would highly recommend them to my family and friends and anyone who loves great results and very reasonable prices. N. Lee
  
 
      Posted on Google  
   
   Alma San Miguel 
 
 
 
 Trustindex verifies that the original source of the review is Google. I was impressed by the technitian's professionalism, knowledge and attention to detail.
  
 
      Posted on Google  
   
   Ora Mounphiphak 
 
 
 
 Trustindex verifies that the original source of the review is Google. On time and gets the job done. Friendly and professional service.
  
 
      Posted on Google  
   
   Peter Aguila 
 
 
 
 Trustindex verifies that the original source of the review is Google. Dan from Jamison was incredibly helpful. He provided different options for repairs and also provided a great explanation of the issues we received a detailed breakdown of estimates for bigger repairs. Dan was not pushy and gave us the time we need to make our decision.