Denver Metro's Most Trusted HVAC Company — Aurora & 40+ Cities
Residential & Commercial HVAC — repair, installation & maintenance by NATE Certified technicians. Rooftop units up to 25 ton. Serving Aurora, Denver & 40+ cities. 24/7 emergency service.
Ballpark your project in seconds — no email required.
Colorado Licensed HVAC Contractor
On Time Heat & Air holds active HVAC contractor licenses in 8 Colorado jurisdictions — your assurance of quality, safety, and accountability.
Complete HVAC Solutions
NATE Certified technicians licensed in 8 Colorado jurisdictions — serving Aurora, Denver & 40+ cities since 2013.
AC Repair
Fast diagnosis and repair for all AC brands. Capacitors, refrigerant, blower motors, compressors. Diagnostic fee waived with completed repair.
Learn more →Same-Day
AC Installation
New central AC installation and replacement. All major brands. Free estimates, financing available. Energy Star qualified systems.
Learn more →Free Estimate
Furnace Repair
Expert furnace repair for all makes and models. 24/7 emergency heating repair available. High-altitude Colorado adjustments included.
Learn more →24/7 Emergency
Furnace Installation
New furnace installation and replacement. 80–98% AFUE systems. Colorado rebates and federal tax credits available. Free estimates.
Learn more →Rebates Available
Heat Pump Services
Air-source heat pumps, mini-splits, and hybrid dual-fuel setups. Colorado tax credits up to $1,000+. Year-round comfort, energy-efficient.
Learn more →Energy Saver
AC Maintenance
Thorough inspection covering refrigerant, coils, electrical, capacitors, drain lines, and thermostat. Extends system life by 5–7 years.
Learn more →Preventive
Thermostat Services
Nest, Ecobee, Honeywell, Emerson Sensi smart thermostats. Full installation, Wi-Fi setup, schedule programming, and walkthrough.
Learn more →Smart Home
Emergency HVAC
True 24/7 emergency service — nights, weekends, and holidays. Fast dispatch across the entire Denver metro. No overtime fees.
Learn more →Available Now
Ductless Mini-Splits
Ductless systems for rooms without ductwork. Heating and cooling in one unit. Ideal for additions, garages, basements, and sunrooms.
Learn more →Zone Control
Indoor Air Quality
Whole-home air purification, humidifiers, UV filters, and air filtration systems. Colorado's dry air and altitude make IAQ critical.
Learn more →Health
Commercial HVAC
Commercial heating and cooling for offices, retail, restaurants, and small businesses. Rooftop units, split systems, maintenance contracts.
Learn more →Business
Ductwork Services
Duct repair, sealing, insulation, and installation. Stop energy waste from leaky ducts that lose 20–30% efficiency.
Learn more →Efficiency
We Service & Install All Major HVAC Brands
Factory-trained on the brands Colorado homeowners trust most. Whether you need a repair, replacement, or new installation — we work on it.
Industries We Serve
Why Colorado Trusts On Time Heat & Air
5.0★ Google Rating
68+ verified 5-star Google reviews. Customers consistently praise our speed, honesty, and quality. We've never had a 1-star review.
Licensed in 8 CO Jurisdictions
Active HVAC contractor licenses in Adams, Arapahoe, Aurora, Broomfield, Commerce City, Denver, Douglas, and Jefferson counties. Your assurance of quality.
Upfront, Honest Pricing
Flat diagnostic fee — waived with completed repair. Upfront pricing before any work begins. No surprises, no hidden fees, no overtime charges.
Fast Response — Often Same Day
When your AC dies on a 95-degree Colorado afternoon, we show up. Same-day service for most repairs and true 24/7 emergency response — nights, weekends, holidays.
12+ Years of Experience
Serving the Denver metro since 2013. We've seen every system, every brand, every problem. Our experience means faster diagnoses and repairs done right the first time.
Local Owner — Not a Franchise
On Time Heat & Air is a locally owned business built on personal relationships. We treat every home like it's our own and stand behind every job we do.
On Time Heat & Air vs. the Competition
Our Recent Installations
Real photos from real jobs — residential and commercial. See the quality of work On Time Heat & Air delivers to Colorado homes and businesses.
What Our Customers Say
5.0★ Google Rating · 68+ verified 5-star reviews. Real feedback from real Colorado homeowners and businesses.
"Our AC went out on a Friday evening during a heat wave. On Time Heat & Air had a technician at our door within 2 hours. Fixed the same night. Absolutely incredible service — will never use anyone else."
"They installed a new Carrier furnace and AC system for our restaurant. Professional, on time, and the price was fair. They even came back to check on it a week later. Highly recommend for commercial work."
"I've used On Time Heat & Air three times now — furnace repair, AC tune-up, and a new thermostat. Every single time they've been honest, fast, and reasonably priced. These guys are the real deal."
Serving 40+ Cities Across the Denver Metro
Based in Aurora, CO — centrally located to reach most Denver metro homes and businesses quickly. Licensed in Adams, Arapahoe, Denver, Douglas, Jefferson, and Broomfield counties.
Ready to Schedule Your HVAC Service?
Call, text, or book online — we respond fast. Free estimates on all installations.