📋 LICENSED:
Adams MEC25-0125 ✓
·
Commerce City AEC02168 ✓
·
Arapahoe MEC25-0177 ✓
·
Aurora 2025-2406735 ✓
·
Denver LIC00251540 ✓
·
Broomfield OL-26-16956 ✓
·
Douglas MA250084 ✓
·
Jefferson #1043056 ✓
⏱ NATE Certified · Licensed in 8 Colorado Jurisdictions · On Time Since 2013
Aurora HVAC Contractor — Same-Day Repair & Installation Across Denver Metro
When your heat or AC quits, you need a local company that answers the phone, shows up on time, and gives you clear options. We repair and install furnaces, AC systems, heat pumps, and thermostats across Denver Metro with upfront pricing and no overtime fees.
⏱
The On Time Guarantee
We show up on time — or your service fee is on us. That's our promise.
We show up on time — or your service fee is on us. That's our promise.
12+
Years Experience
8
County Licenses
5.0★
68 Verified Reviews
24/7
Emergency Service
Call (720) 527-0668 for same-day availability, emergency service, or a free estimate on replacement options.
🏅
NATE Certified
Industry's Top Credential
Industry's Top Credential
⭐
5.0 / 5.0
68 Google Reviews
68 Google Reviews
📋
8 Licenses
Most in Denver Metro
Most in Denver Metro
🏠
Locally Owned
Aurora, CO Since 2013
Aurora, CO Since 2013
⏱
On Time Guarantee
Or No Service Fee
Or No Service Fee
On Time vs. Typical HVAC Companies
New HVAC System? Financing from $79/mo · 0% Interest · Same-Day Approval
Learn More →
Fully Licensed & Insured
Licensed in 8 Colorado jurisdictions Across Colorado
On Time Heat & Air holds active mechanical contractor licenses across 8 Colorado jurisdictions, giving homeowners a properly licensed option in Denver, Aurora, Commerce City, and surrounding communities.
📋 Adams County
#MEC25-0125
Mechanical Contractor
✓ Active
Expires: 12/16/2028
📋 Commerce City
#AEC02168
Mechanical Contractor
✓ Active
Effective: 04/28/2025
📋 Arapahoe County
#MEC25-0177
Mechanical Contractor Class-C
✓ Active
Expires: 12/29/2026
📋 Aurora
#2025 2406735 00 CL
Mechanical Systems Contractor
✓ Active
Verify renewal — was 03/01/2026
📋 Broomfield
#OL-26-16956
General Contractor (covers HVAC)
✓ Active
Expires: 12/15/2026
📋 Denver
#LIC00251540
HVAC License — City & County
✓ Active
Expires: 10/31/2028
📋 Douglas County
#MA250084
Mechanical A — Castle Rock Area
✓ Active
Renewal: 02/21/2027
📋 Jefferson County
#1043056
Class B Mechanical
✓ Active
Expires: 12/16/2026
Licensed, bonded, and insured in our service areas. On Time Heat & Air · 3190 S Vaughn Way Suite 500, Aurora, CO 80014
Our Services
Complete HVAC Solutions
From fast diagnostics to full system replacement, we handle the heating and cooling work most Denver-area homeowners actually need — without franchise pricing or runaround.
AC Repair
When your AC breaks down in a Colorado heat wave, you need fast help. We diagnose the problem quickly, carry common parts on our trucks, and complete most repairs in a single visit. All brands — Carrier, Lennox, Trane, Rheem, Goodman, and more.
Learn more about AC Repair → Same DayAC Installation
Proper sizing is critical for Colorado's altitude. We perform load calculations, install high-efficiency systems from top manufacturers, handle all permits, and offer 0% financing. Most installations completed in 1-2 days.
Learn more about AC Installation → FinancingFurnace Repair
A broken furnace in a Colorado winter can be dangerous. We provide 24/7 emergency furnace repair — ignition failures, blower motors, cracked heat exchangers, thermostat malfunctions, and more. Upfront pricing before any work begins.
Learn more about Furnace Repair → 24/7Furnace Installation
High-efficiency gas furnaces (up to 98% AFUE), electric furnaces, and dual-fuel systems. Includes proper combustion testing at altitude, ductwork inspection, and full safety check. We help navigate rebates and tax credits.
Learn more about Furnace Installation → FinancingHeat Pump Services
Air-source heat pumps, mini-split systems, and hybrid dual-fuel setups. Colorado residents may qualify for $1,000+ in state tax credits for qualifying installations. We handle all the paperwork for you.
Learn more about Heat Pumps → Tax CreditsAC Maintenance
Our 20-point inspection covers refrigerant levels, condenser coils, electrical connections, capacitors, drain lines, and thermostat calibration. Extends system life by 5-7 years. Comfort Club members get 2 tune-ups/year for $179.
Learn more about AC Maintenance → Comfort ClubThermostat Services
We install Nest, Ecobee, Honeywell, and Emerson Sensi smart thermostats. Full installation including wiring, Wi-Fi setup, schedule programming, and feature walkthrough. Save 10-23% on heating and cooling bills.
Learn more about Thermostat Services → Smart HomeEmergency HVAC
True 24/7 emergency service — nights, weekends, and holidays. Our team answers emergency calls. No extra premium for Comfort Club members. We've helped families during 100-degree heat waves and elderly couples late at night.
Learn more about Emergency HVAC → Available Now
Transparent Pricing
How Much Does HVAC Cost in Denver?
No guessing. See real pricing for every HVAC service before you call.
Need HVAC service today? Don't wait — we offer same-day appointments!
Call (720) 527-0668 Right Now$50 OFF your first service · Free second opinion · Same-day service available
Brands We Trust
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.
Bryant
Lennox
Goodman
Carrier
Trane
Rheem
Amana
Daikin
York
Don't see your brand? We work on ALL brands — call us and we'll take care of it.
Why Choose Us
Why Homeowners Call On Time Heat & Air
NATE Certified Technicians
NATE (North American Technician Excellence) is the highest certification in the HVAC industry. Our technicians have passed rigorous hands-on and written exams proving they can diagnose and fix systems correctly the first time. Only about 15% of HVAC technicians nationwide hold NATE certification — when you call On Time, you're getting the top tier of expertise. This means faster diagnoses, fewer return visits, and repairs done right.
Licensed in 8 Colorado jurisdictions
We hold active mechanical contractor licenses in Adams County, Arapahoe County, Aurora, Broomfield, Commerce City, Denver, Douglas County, and Jefferson County. That's more coverage than most HVAC companies in the Denver metro area. Each license means we've met that jurisdiction's requirements for bonding, insurance, and technical competency. You can verify every license number on our site — we display them publicly because we have nothing to hide.
Financing That Fits Your Budget
A new HVAC system is a major investment — but comfort shouldn't wait. We offer 0% interest financing for qualified buyers, low monthly payments starting at just $79/month, and same-day approval with no lengthy paperwork. Multiple lender options mean we can find a plan for almost every credit situation. Don't let budget stop your comfort — ask about financing when you call.
Fast Response — Often Same Day
When your AC dies at 2 PM on the hottest day of the year, you can't wait three days for a technician. On Time Heat & Air personally answers many calls and dispatches our team for the fastest possible response. We offer same-day service for most repairs and true 24/7 emergency response — nights, weekends, and holidays included. Our customers regularly mention our speed in their Google reviews.
Honest, Upfront Pricing
We believe you should know exactly what you're paying before any work begins. That's why we provide upfront flat-rate pricing on every job — no hourly surprises, no hidden fees, no upsells. If we find an issue during a repair that changes the scope, we'll explain it and get your approval before proceeding. Free estimates on all installations. Common repairs typically range from $150-600.
Local Owner — Not a Franchise
On Time Heat & Air is a locally owned business that has served the Denver metro community since 2013. When you call, you're not reaching a corporate call center — you may be speaking directly with the technician who will service your home. Our team is known for showing up personally on service calls, even at 9:45 PM on a Saturday night to help an elderly couple without AC. This is a real local business built on relationships.
See the Difference
On Time Heat & Air vs. the Competition
🔥 Furnace not working? AC blowing warm? We can be there TODAY.
(720) 527-0668 — Call Us Directly⏱ On Time or No Service Fee · $0 Diagnostic With Repair · Serving 40+ Denver metro cities
Real Work
Our Recent Installations
Real photos from real jobs — not stock images. See the quality of work On Time Heat & Air delivers to Denver metro homeowners.
These are real photos from real jobs — not stock images. We take pride in clean, professional installations.
Current Specials
Save On Your Next HVAC Service
Mention these when you call to redeem your savings!
Limited Time
$50 OFF
Any HVAC repair or service call. New and existing customers welcome.
📞 Call to Redeem
Valid Apr 1 – Jun 30, 2026. One per household. Mention this offer when scheduling.
Most Popular
FREE
Service fee waived with any completed repair. Save $89 on your visit!
📞 Call to Redeem
Valid Apr 1 – Jun 30, 2026. With completed repair only. Mention when scheduling.
New Customers
FREE
Free second opinion on any HVAC diagnosis or estimate you've already received.
📞 Call to Redeem
Valid Apr 1 – Jun 30, 2026. New customers only. Mention when scheduling.
Spring Tune-Up
$89
Complete AC tune-up & safety inspection. NATE Certified technician. Reg. $149.
📞 Call to Redeem
Valid Apr 1 – Jun 30, 2026. One per household. Mention this offer when scheduling.
Save $500
$500 OFF
Complete furnace + AC system replacement. High-efficiency systems only.
📞 Call to Redeem
Valid Apr 1 – Jun 30, 2026. With full system install. Mention when scheduling.
Comfort Club
15% OFF
Any repair, year-round, when you join the On Time Comfort Club. Plus priority service.
📞 Call to Redeem
Valid Apr 1 – Jun 30, 2026. Members only.
Maintenance Plan
The On Time Comfort Club
Annual maintenance by NATE Certified technicians. Two complete tune-ups per year, priority service, and exclusive member discounts.
- Spring AC tune-up & inspection (NATE Certified)
- Fall furnace tune-up & inspection (NATE Certified)
- Priority scheduling — always first in line
- 15% discount on all repairs year-round
- Filter replacement included
- No emergency service fees
- Annual system efficiency report
- Transferable if you sell your home
Financing Available
Don't Let Cost Stop Your Comfort
New HVAC system? Don't pay it all upfront. Flexible financing to fit every budget.
0% Interest
0% financing for qualified customers. Pay over 12-18 months interest free.
Low Monthly
Payments as low as $79/month. Get a new system you can afford.
Same-Day Approval
Apply in minutes. Get approved same day with no lengthy paperwork.
All Credit Welcome
Multiple options including programs for all credit types. No prepayment penalties.
Real Google Reviews
What Our Customers Say
★★★★★
"Hamid has helped us twice now with our HVAC issues and we could not be more impressed. He is very prompt and professional."
★★★★★
"Efficient and professional. Diagnosed the issue with my furnace, got the part to fix it and had it working again in a timely manner!"
★★★★★
"I have a couple rental properties and Hamid has helped with a few HVAC problems over the years. He is always reliable and reasonable in price. He is also super friendly and informative. I highly recommend him."
★★★★★
"We truly value the dedication On Time Heat and Air shows. Their technicians are thorough, respectful, and committed to doing the job right the first time."
★★★★★
"We had a series of bad experiences with other HVAC companies and On Time Heat and Air was sent to fix the mess. Hamid and Shane did an outstanding job."
★★★★★
"Great price — $300-400. Hamid came and repaired our A/C. He did an excellent job. We highly recommend him. We will definitely use him again."
⚡ Don't suffer through another night without heat or AC
(720) 527-0668 — We Answer Every Call, Day or Night⏱ On Time or No Service Fee · $0 Diagnostic With Repair · Serving 40+ cities
HVAC Help & Guides
Resources for Denver Homeowners
Real answers to the HVAC questions Colorado homeowners actually ask.
Regulation
Colorado HVAC Regulations 2026
New NOx emissions rules and what they mean for your next furnace purchase.
Tax Credits
Colorado Heat Pump Tax Credit 2026
How to claim $1,000+ in state credits for qualifying heat pump installations.
Comparison
Heat Pump vs. Furnace in Colorado
Which system makes sense at altitude? Cost, efficiency, and comfort compared.
Coverage Area
Licensed & Serving the Denver Metro Area
Whether you live in the heart of Denver or in one of the surrounding suburbs, On Time Heat & Air is just a call away. Our NATE Certified technicians travel throughout the metro area and beyond to deliver fast, reliable HVAC services tailored to your needs.
The cities and communities we serve include:
📍Arvada
📍Aurora
📍Bennett
📍Boulder
📍Brighton
📍Broomfield
📍Castle Pines
📍Castle Rock
📍Centennial
📍Cherry Hills Village
📍Commerce City
📍Denver
📍Englewood
📍Evergreen
📍Federal Heights
📍Genesee
📍Henderson
📍Golden
📍Highlands Ranch
📍Keenesburg
📍Lafayette
📍Lakewood
📍Littleton
📍Lone Tree
📍Longmont
📍Northglenn
📍Parker
📍Strasburg
📍Superior
📍Thornton
📍Westminster
📍Wheat Ridge
Our Location
Based in Aurora, CO — Serving the Denver Metro
We're your neighbors — not a franchise. On Time Heat & Air lives and works right here in Aurora, CO.
Contact Information
3190 S Vaughn Way Suite 500
Aurora, CO 80014
Aurora, CO 80014
On Time Heat & Air — Licensed HVAC Contractor
24/7 Emergency Service Available
Free Quote
Get a Free HVAC Quote
Not ready to call? Fill out our quick 3-field form and we'll get back to you within 30 minutes.
We respond within 30 minutes · No spam · Free estimates on all installations
HVAC Tips & Advice
Free HVAC Tips From Our Experts
Helpful advice from the On Time Heat & Air team — save money and keep your system running longer. Visit our full blog →
AC Tips
Why Is My AC Running But Not Cooling?
Could be a dirty filter, low refrigerant, frozen evaporator coil, or a failing compressor. Here are things to check before calling a technician.
Read the full guide →Furnace Tips
Colorado's 2026 Furnace Regulations — What to Know
Colorado's Ultra-Low NOx regulations affect new furnace installations. If your furnace is 10+ years old, here's what you need to know about replacement.
Read the full guide →Savings Tips
Colorado Heat Pump Tax Credit 2026 — Save Up To $1,000
Colorado residents can get at least $1,000 in state tax credits for qualifying heat pump installations. We handle all the paperwork for you.
Read the full guide →
Common Questions
Frequently Asked Questions
Answers to the questions Denver metro homeowners ask most before calling an HVAC company.