Where We Work
HVAC Service in Centennial, CO and Surrounding Areas
Guardian Heating & Air Conditioning serves homeowners and businesses throughout the south Denver metro area. If you're not sure whether we cover your area, just call — we'll let you know.
Communities We Serve
Centennial
Our home base
Littleton
Greenwood Village
Highlands Ranch
Lone Tree
Cherry Hills Village
Englewood
Parker
Aurora
Denver Tech Center
Foxfield
Columbine Valley
Don't see your city? Call us at Call or Text 303-952-9047 — we may still be able to help.
Available When You Need Us
HVAC emergencies don't follow business hours. We offer service 24 hours a day, 7 days a week, 365 days a year — including holidays.
24/7 Emergency Service Available
Ready to Schedule Service?
Call us or submit a request online. We'll confirm your service area and get you on the schedule.
Ready to schedule service?
Fast, local HVAC service throughout the south Denver metro.