Professional ductwork services for Castle Rock homeowners. NATE Certified technicians licensed in Douglas County. Fast response — financing available. Serving Castle Rock families near the Philip S. Miller Park amphitheater, the Promenade at Castle Rock shopping area, and neighborhoods including Crystal Valley, Castlewood Ranch, and Plum Creek.
Castle Rock homeowners trust On Time Heat & Air for professional ductwork services. We're licensed in Douglas County (License #MA250084) and provide fast, reliable service throughout the Castle Rock area with NATE Certified technicians.
Duct repair, sealing, insulation, installation. Stop wasting 20-30% energy. 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 Castle Rock 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.
"These guys go above and beyond. My AC went out mid-July and they located the part same day and came back late to get me running again."
"I have used On Time on my rental properties numerous times. Our team has industry knowledge to troubleshoot complex HVAC issues. Responsive, reasonable costs, exceptional service."
"Our team has helped me multiple times. Five stars all the way!"
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.