New furnace installation and replacement. Energy-efficient systems with financing options. NATE Certified technicians licensed in 8 Colorado counties.
When it's time for a new furnace, choosing the right system and installer makes all the difference. On Time Heat & Air provides expert furnace installation with proper sizing calculations for Colorado's altitude and climate. We install high-efficiency gas furnaces (up to 98% AFUE), electric furnaces, and dual-fuel systems. Our installations include proper combustion testing at altitude, ductwork inspection, and a full system safety check. We help you navigate available rebates and tax credits, and offer flexible financing from $79/month.
Our NATE Certified technicians have the training and real-world experience to handle any furnace installation job. We hold active licenses in 8 Colorado counties — Adams, Arapahoe, Aurora, Broomfield, Commerce City, Denver, Douglas, and Jefferson — so we're authorized to work anywhere in the Denver metro. We provide upfront pricing, honest recommendations, and stand behind every job.
Select your city for location-specific furnace installation information:
Fast diagnosis and repair for all AC brands. Same-day emergency service available 24/7.
Professional central air installation and replacement. Free estimates on all new systems.
Expert furnace repair for all makes and models. 24/7 emergency heating repair available.
Heat pump installation, repair and maintenance. Year-round comfort, energy-efficient.
Annual AC tune-ups and maintenance to extend system life and keep energy bills low.