Professional thermostat services for Denver homeowners. NATE Certified technicians licensed in City & County of Denver. Fast response — financing available. Whether you're near Coors Field in LoDo, the shops on South Broadway, or the tree-lined streets of Washington Park, our Denver-licensed technicians serve every neighborhood in the Mile High City.
Denver homeowners trust On Time Heat & Air for professional thermostat services. We're licensed in City & County of Denver (License #LIC00251540) and provide fast, reliable service throughout the Denver 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 Denver 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.
"He worked me into his Saturday schedule within an hour of calling him and was more than thorough in servicing my AC. Professional, respectful, and efficient."
"We had bad experiences with other HVAC companies, and On Time was sent to fix the mess. Our technicians had a great attitude, diagnosed the problem, and quickly fixed everything."
"Wow!! On Time exceeded my high expectations. He communicated the problems, started with low-cost repairs first and talked me through options. My 22-year-old unit has a new life!"
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.