Comprehensive Heater/Furnace Tune-Ups at Affordable Prices

Furnace Maintenance Tustin, Santa Ana, Anaheim
  • Serving Orange County Since 1991
  • Tens of Thousands of Satisfied Clients
  • 18-Point Heater Tune-Up Special
  • Highly Experienced NATE-Certified Techs
  • Qualified to Maintain All Furnace Makes & Models
  • Special Benefits for Maintenance Club Members
  • Licensed HVAC Contractor

The Best Value for Home Heating Preventative Maintenance Services in Orange County

The importance of home furnace maintenance cannot be emphasized enough. Not only do annual heater inspections and tune-ups help your equipment run longer and more energy efficiently, but they can also prevent potentially life-threatening disasters such as carbon monoxide poisoning, gas leaks, gas explosions, and fire.

Partial List of the Furnace Brands We Maintain

Carrier Bryant American Standard Lennox Heil Trane Tempstar Day N Night Payne RUUD Rheem Armstrong

Our 18-Point Inspection & Maintenance Service Is Designed to Improve Your Heater's Safety, Energy Efficiency, and Performance

At AC Cool, Inc., we have our experienced, NATE-certified HVAC service technicians perform all of our furnace maintenance visits. A comprehensive 18-point furnace inspection and tune-up includes furnace filter replacement* or cleaning, lubrication of moving parts, and a variety of checks and tests of the heating system. (For a complete list of what our heater/furnace tune-up includes, see the box below.) By conducting this thorough check, ideally on an annual basis, our tech is able to make the necessary modifications to allow your equipment to perform its best. The furnace tune-up allows your equipment to operate optimally, efficiently, and safely; improves indoor air quality; reduces noise; reduces rust and moisture buildup; and makes it possible to catch small problems before they turn into more costly repairs or early replacement.

Contact Us Today for Affordable, Expert Maintenance for All Heater/Furnace Makes & Models

Call us today to schedule heater/furnace maintenance for your Orange County home. AC Cool is a licensed HVAC company with nearly 30 years of experience meeting the heating and cooling needs of thousands of homeowners throughout Newport Beach, Orange, Tustin, Santa Ana, Fullerton, Placentia, Yorba Linda, Anaheim Hills, and surrounding cities. Our high-quality HVAC services have earned us high ratings on Angie's List and Yelp, and multiple awards over the years, such as the Carrier President's Award and Bryant Commitment to Excellence Award.

AC Cool's 18-Point Heater/Furnace Tune-Up*

  • Cleaning and lighting the pilot
  • Testing pilot safety
  • Testing flame sensor
  • Testing system voltage
  • Checking and oiling fan motor
  • Checking blower and fan belt
  • Testing fan operation
  • Testing temp limit control operation
  • Testing gas valve operation
  • Checking burner adjustment
  • Checking thermostat operation
  • Clean and/or replace standard 1” filters
  • Testing for carbon monoxide gas
  • Inspecting firebox for cracks
  • Checking electrical connections
  • Checking combustion chamber seals
  • Testing flue for proper venting
  • Visual inspection of accessible ductwork

* Not all systems require identical maintenance procedures but all will receive comparable care.

Orange County's Local HVAC Contractor

OC Heater Maintenance & Safety Inspection


I have known Paul for a few years now and appreciate both his friendship as well as his HVAC and refrigeration expertise. Paul has come to our rescue a few times with regard to repairing our AC unit and our freezer. Paul is honest and trustworthy. All of his recommendations for repairs were performed at minimal expense; we were anticipating worst case scenarios for both units. Paul reassured us that normal wear and tear on both the AC and Heating elements require some routine maintenance. I have him come over ever season to service our AC system and change our filters. He is a terrific local businessman that I highly recommend to anyone that needs HVAC or refrigeration expertise.

Ryan Gillette Via Google Review

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