Centennial AC Maintenance
AC Repair, Air Conditioning Service, Installation, and Air Conditioning Maintenance for your Home.
We offer service 24 hours a day, 7 days a week, 365 days a year to Centennial & Surrounding Areas
Air Conditioning Maintenance
Your comfort system needs regular maintenance to deliver trouble-free, efficient performance all year round. Lack of maintenance is the #1 reason for system failure and GUARDIAN HEATING & AIR CONDITIONING encourages our customers to take a planned preventative approach to maintenance.
Preventative Air Conditioning Maintenance
Planned AC preventative maintenance maintains your heating, ventilation, and air conditioning system in peak performance prolongs the life of your equipment and helps identify problems before they require costly repairs.
Let us serve you by taking over your equipment’s required maintenance with a one-year or two-year planned preventative AC maintenance agreement.
A Guardian Planned Preventative AC Maintenance and Air Conditioner Tune-Up includes:
- Checking refrigerant levels and adequate charge
- Inspecting and cleaning the condenser and indoor coils
- Checking the amp draw of the compressor
- Oiling the fan motors
- Inspecting the condensate drain
- Checking that belts are well adjusted
- Checking the system operating pressures and temperatures
- Testing the capacitors and compressor contractors
- Replacing air filter
If you’re looking for AC Maintenance, you’re in the right place!
Keeping you comfortable is our goal – if you need Air Conditioning Maintenance call us for details. We can service your needs 24 hours a day, 7 days a week, 365 days a year.


We are the Top Choice for Centennial AC Repair, Centennial AC Service, AC Installation, and AC Maintenance.
We proudly use products from the following manufacturers:

To make your purchase more affordable, we offer financing for our customers. Contact us to learn more.
Centennial Air Conditioning Services
AC Repair
Our experienced team can handle your air conditioning repair needs.
AC Service
Our NATE certified technicians can provide air conditioning service to your home.
AC Installation
The team at Guardian is ready to handle your air conditioning installation.
WE SERVE
Centennial and Surrounding Areas

KEEPING YOU COMFORTABLE IS OUR GOAL
AC Repair, Air Conditioning Service, Furnace Repair, Indoor Air Quality, and Preventative Maintenance for your Home.
We offer service 24 hours a day, 7 days a week, 365 days a year to Centennial & Surrounding Areas
Office 303-952-9047
Emergencies 303-503-1446