HVAC Services

About Us


Air-O-Stat is a group of caring and knowledgable technicians whose number one priority is your home air quality. 

We begin every visit with an evaluation for reliable and safe operation of your unit.

Let us help you improve your indoor air while lowering your energy bills. 


We offer a wide range of services to help keep your heating system running smoothly and efficiently: 

  • observe heat exchanger for integrity and carbon dioxide levels
  • clean heat exchanger
  • evaluate for proper venting
  • clean blower assembly
  • monitor flame sensors
  • swap air filters 
  • clean and lubricate motor
  • pull and clean burners
  • measure currents and electrical values
  • adjust thermostat and monitor operation
  • disinfect coil, ducts & filter to remove fungus, dust mites, bacteria, odors


We offer a wide range of services to help keep your air conditioning system running smoothly and efficiently: 

  • check Refrigerant levels
  • check the amp draw of the compressor
  • oil the fan motors
  • check belt adjustedments
  • check the system operating pressures and temperatures against the manufacturers specifications

Commercial & Residential


When your system breaks down, don't sweat it -- this is our specialty!


We can help you service your existing systems and offer tips to prevent future breakdown.


We can set you up with new systems and leave you with tips for proper maintenance.


We also service larger units like walk-in freezers and walk-in coolers for your commercial spaces.


we serve

Los Angeles County 

Orange County

844-AIR-OSTAT (844-247-6782)


Monday - Friday: 8am-6pm

Saturday: 9am-3pm

Sunday: closed

Emergency same-day appointments available