5 Diamond Heating & Cooling
CA LIC #1024527
Call Now! (833) 353-4822

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Our Services

Whether you own a home in San Diego, CA or are in charge of managing a large commercial building, it’s essential that you maintain a comfortable indoor environment throughout the year. That’s where 5 Diamond Heating & Cooling, Inc. comes in. As an established HVAC company, we offer a variety of services to suit your needs.


We might not get a lot of cold days in San Diego, but there are definitely times when we need to have functional heating systems. Even if you do not turn on your heat often, your system can wear out and may not work properly when you need it most. If that happens, we are here. We offer comprehensive heating installation, repair and maintenance services to help you stay warm.


When you live in southern California, you need a cooling system you can depend on. A broken down air conditioner during the summer months is a serious emergency that needs to be dealt with right away. At 5 Diamond, we can help. From standard maintenance to keep your AC in excellent condition to prompt repair and installation services, we do it all.


Did you know that the air inside your home could be more polluted than the outside air? If you don’t have an good indoor air quality system, you and your family could be breathing harmful contaminants like formaldehyde and lead in addition to common allergens, including mold, pet danger, dust mites, etc. Let us help you determine what is in your air and find a solution to give you and your family the fresh air you deserve.

Award Winning Service Company

At 5 Diamond Heating and Cooling, Inc., our goal is to offer the most reasonably priced HVAC work in San Diego, CA. Because we value our customers, we do everything we can to keep service costs down and preserving quality.

Our Works

Business Information

At 5 Diamond Heating and Cooling, Inc., we are committed to providing you with our 5 Diamond Heating, Ventilation, and Air Conditioning services. *CONTACT US FOR A FREE ESTIMATE.*


  • Thermostat Installation & Repair
  • Indoor Air Quality
  • AC Service & Repair
  • Furnace Service & Repair


By Appointment Only
  • Mon 7:30 am - 5:30 pm
  • Tue 7:30 am - 5:30 pm
  • Wed 7:30 am - 5:30 pm
  • Thu 7:30 am - 5:30 pm
  • Fri 7:30 am - 5:30 pm
  • Sat 7:30 am - 12:00 pm
  • Sun Closed


  • Honeywell
  • Rheem
  • Ecobee
  • Fujitsu