Clear repair vs. replace advice
If a repair makes sense, we’ll say so. If replacement is the better long-term move, we’ll show you why without pressure.
Professional ac installation for Golden homeowners. NATE Certified technicians licensed in Jefferson County. Fast response — financing available. Whether you're near Heritage Square, the Golden Community Center, the Fossil Trace Golf Club, or the neighborhoods along South Golden Road, our Jefferson County licensed technicians provide reliable HVAC service.
Golden homeowners trust On Time Heat & Air for professional ac installation. We're licensed in Jefferson County (License #1043056) and provide fast, reliable service throughout the Golden area with NATE Certified technicians.
Professional central air installation and replacement. Free estimates. Financing available. We work on all major brands including Bryant, Lennox, Goodman, Carrier, Trane, and Rheem and provide upfront pricing before any work begins. Our team has served the Denver metro community since 2013.
We hold active licenses in 8 Colorado jurisdictions — more coverage than most HVAC companies. For Golden 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.
"I have a couple of rental properties and Our team 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."
"On Time is the best HVAC guy we've had by a long shot. He reliably shows up and does his work quickly and effectively. If you're having problems with your furnace, I highly recommend On Time."
"I have had the pleasure of having On Time Heat and Air at my house to service my furnace, and both times have been amazing. Timely and professional. On Time will be my go-to!"
Installing a new AC system in Golden requires more than just picking the right brand. At 5,675 feet, the thinner air changes refrigerant behavior and compressor efficiency. We perform a Manual J load calculation on every installation to ensure proper sizing — an oversized system wastes energy through short-cycling, while an undersized system can't keep up during July and August heat waves. Our installations include all permits required by Jefferson County, proper refrigerant charging for altitude, and a post-installation efficiency test.
Golden sits at the mouth of Clear Creek Canyon at 5,675 feet, higher than Denver and more exposed to mountain weather. Snow comes earlier and stays later. The foothills location means faster temperature drops at sunset, requiring furnaces to respond quickly.
Our technicians serve all Golden neighborhoods including North Table Mountain, South Table Mountain, Pleasant View, Heritage Dells. Whether you're in a newer development or an established neighborhood, we have the expertise and licensing to handle your HVAC needs.
Golden's mountain-adjacent homes deal with wildlife entering outdoor AC condensers — we recommend condenser guards for homes near North and South Table Mountain trails.
Fast diagnosis and repair for all AC brands. Same-day emergency service available 24/7.
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.
24/7 emergency heating and cooling. Nights, weekends, holidays. Fast response.
We built these local pages to help you find the right service fast — but what keeps customers calling us is simple: licensed work, clear communication, and options that make sense for the home you actually have.
If a repair makes sense, we’ll say so. If replacement is the better long-term move, we’ll show you why without pressure.
From older systems in central neighborhoods to builder-grade equipment in newer subdivisions, we work on the setups common across Denver Metro.
When heating or cooling goes down, you need someone who answers, shows up, and communicates clearly from diagnosis to repair.
If you’re comparing service options across nearby cities, use the links below to find the page closest to your home and service needs.
HVAC Repair Denver
HVAC Repair Golden
HVAC Repair Arvada
HVAC Repair Wheat Ridge
Furnace Repair Denver
Furnace Repair Thornton
Furnace Repair Commerce City
Furnace Installation Westminster
AC Repair Denver
AC Repair Northglenn
AC Repair Lakewood
AC Installation Centennial
See our full AC Installation services and HVAC services in Golden.