Professional thermostat services for Lone Tree homeowners. NATE Certified technicians licensed in Douglas County. Fast response — financing available. Whether you're near the Lone Tree Arts Center, the RidgeGate community with its RTD light rail station, or the established neighborhoods off Lincoln Avenue, we provide premium HVAC service throughout Lone Tree.
Lone Tree homeowners trust On Time Heat & Air for professional thermostat services. We're licensed in Douglas County (License #MA250084) and provide fast, reliable service throughout the Lone Tree area with NATE Certified technicians.
Smart thermostat installation. Nest, Ecobee, Honeywell. Save 10-23% on bills. We work on all major brands and provide upfront pricing before any work begins. Our owner Our Team has served the Denver metro community since 2013.
We hold active licenses in 8 Colorado counties — more coverage than most HVAC companies. For Lone Tree residents, this means fully authorized, insured, code-compliant work every time. We offer same-day service, 24/7 emergency response, and financing from $79/month.
"On Time is the best HVAC guy we've had by a long shot. He reliably shows up and does his work quickly and effectively. If you're having problems with your furnace, I highly recommend On Time."
"I have had the pleasure of having On Time Heat and Air at my house to service my furnace, and both times have been amazing. Timely and professional. On Time will be my go-to!"
"Got it done same day and had 11 other appointments. Awesome! I would definitely recommend their service!"
Fast diagnosis and repair for all AC brands. Same-day emergency service available 24/7.
Professional central air installation and replacement. Free estimates. Financing available.
Expert furnace repair for all makes and models. 24/7 emergency heating repair.
New furnace installation and replacement. Energy-efficient systems with financing.
Heat pump installation, repair and maintenance. Colorado tax credits may apply.
Annual tune-ups to extend system life and lower energy bills. Comfort Club $179/yr.