Commercial heating and cooling for offices, retail, restaurants, and small businesses. NATE Certified technicians Licensed in 8 Colorado jurisdictions.
On Time Heat & Air provides commercial HVAC services for small to mid-size businesses across the Denver metro area. We service rooftop units (RTUs), split systems, VRF systems, and commercial ductwork. Our commercial clients include offices, retail stores, restaurants, churches, and warehouses. We understand that downtime costs your business money, so we prioritize fast response and efficient repairs. We also offer commercial maintenance agreements to keep your systems running reliably year-round.
Our NATE Certified technicians have the training and real-world experience to handle any commercial hvac job. We hold active licenses in 8 Colorado jurisdictions — 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 commercial hvac 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.
New furnace installation and replacement. Energy-efficient systems with financing options.
Heat pump installation, repair and maintenance. Year-round comfort, energy-efficient.
Free tips and guides from our NATE Certified team:
We service small to mid-size commercial buildings across the Denver Metro — offices, retail spaces, restaurants, medical offices, and churches. Our technicians are NATE certified for both residential and commercial equipment, and we carry commercial-grade parts on our trucks.
Commercial HVAC at Colorado altitude requires proper gas pressure calibration, ventilation rate adjustments, and equipment sizing that accounts for thinner air. A rooftop unit installed without altitude compensation will underperform and trip safety limits.
We offer commercial maintenance contracts that cover scheduled inspections, priority emergency service, and discounted repairs. Keeping your building comfortable keeps your employees productive and your customers coming back. Call (720) 527-0668 for a custom quote.
Common questions from Denver Metro homeowners.
Yes. We service commercial rooftop units, split systems, and package units for small to mid-size businesses across the Denver Metro. We're licensed in 8 counties and carry commercial-grade parts on our trucks.
Commercial systems should be serviced at least twice a year — once before heating season and once before cooling season. High-use environments like restaurants or medical offices may need quarterly service.
Yes. Our commercial maintenance plans cover scheduled inspections, priority service, and discounted repairs. Contact us for a custom quote based on your equipment and building size.
We service all major commercial brands including Carrier, Lennox, Trane, York, Daikin, and Rheem. Our technicians are NATE certified for both residential and commercial systems.