Same-Day Service • 24/7 Emergency Support • Free Estimates
We understand HVAC emergencies can't wait. Get same-day service when you need it most.
No hidden fees. You'll know the cost upfront with our free estimates.
HVAC emergencies don't keep business hours, and neither do we.
Your comfort is our priority. We stand behind every job we do.
Residential & commercial cooling systems including diagnostics, repairs, and full system replacements. We service all major brands.
Furnace repair, installation, and emergency heating service to keep your home warm all winter long.
Seasonal tune-ups and service plans to improve efficiency and extend the life of your system.
Air purifiers, filters, duct cleaning, and ventilation improvements for healthier indoor air.
Smart thermostat installation and programming for Nest, Ecobee, Honeywell, and more.
Rooftop units, commercial maintenance contracts, and priority emergency service for businesses.
"Littleton Peak HVAC saved the day! Our AC went out on the hottest day of summer and they were here within 2 hours. Professional, fast, and reasonably priced."
— Sarah M., Littleton
"Best HVAC service in the area! They installed our new furnace and the team was incredibly knowledgeable and clean. Would highly recommend to anyone!"
— James R., Highlands Ranch
"I've used Littleton Peak for years for my maintenance plan. They're always on time, thorough, and their service keeps my system running perfectly."
— Patricia L., Centennial
"Emergency service on Christmas Eve! They came out and fixed our heating issue quickly. True professionals who care about their customers."
— Michael T., Littleton
"Transparent pricing and excellent work. They explained everything clearly and the new AC unit works perfectly. Couldn't be happier!"
— Jennifer K., Ken Caryl