Denver, CO
HVAC Pros in Denver, CO
We track 12 HVAC contractors in Denver, CO. Compare credentials, reviews, and pricing before requesting quotes. Xcel Energy Colorado rebates up to $3,400 available.
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Quick facts
- AreaDenver
- StateCO
- Providers12
- Climate zone5B-Cool-Dry
- Heating degree days6,000
- Recommended systemdual fuel
Why HVAC matters in Denver
Denver sits in IECC climate zone 5B-Cool-Dry with average January temperatures of 28°F and July highs around 72°F. With 6,000 heating degree days, a reliable heating system is essential for comfort and safety.
CO (Denver County) falls in IECC 5B-Cool-Dry. HDD 6000 / CDD 700 per NOAA 1991–2020 state averages drive a dual fuel HVAC strategy. Climate data is zone-level; consult a contractor for site-specific load calcs.
Dual-fuel system recommended for Denver
A dual-fuel system pairs a heat pump with a gas furnace backup — the heat pump runs efficiently on mild days while the furnace handles deep cold.
With 6,000 heating degree days and winter lows reaching 28°F, standard heat pumps lose efficiency. The dual-fuel approach gives you heat pump savings on 80% of winter days plus reliable gas heat when temperatures drop below 15-20°F.
About Denver HVAC
12 HVAC providers list active service in Denver — a small but workable shortlist. Getting three quotes is realistic if you plan a week out. Homeowners in Denver typically schedule maintenance in spring and fall to get ahead of peak-season wait times.
Denver's winter design temps (January averages near 28°F) sit at the edge of standard heat-pump efficiency, which is why dual-fuel setups — heat pump plus gas furnace backup — have become the contractor-preferred configuration here. Properly sized equipment matched to Denver's load profile runs quieter, lasts longer, and avoids the short-cycling that kills cheap installs. Xcel Energy Colorado's Xcel Energy CO Cold Climate Heat Pump Rebate currently offers up to $3,400 toward a qualifying system, which meaningfully shifts the cost-of-ownership math.
Top local providers
Request quotes →- installationrepairinspectionemergency
What customers say “My first impression of this company was excellent thanks to the representative on the phone. She answered on a…”
- installationrepairemergency
What customers say “Jason Dubose, the SWAN technician came out today to help, when I woke up this morning with no heat. He was amazing. He…”
- installationrepairinspectionemergency
What customers say “Richard, the HVAC mechanic, showed up to our property promptly and quickly diagnosed the issue with our furnace. He was…”
- installationrepairemergency
What customers say “We had to replace a AC Unit and Furnace in the last two years. We spoke with several contractors and ultimately choose…”
- installationrepairinspectionemergency
What customers say “I recently had one of my furnaces go out and had called Ultimate to come out and give me a bid. While at my home I…”
- Steel T | Denver HVACTop rated
What customers say “Beyond amazing. My technician, if I remember correctly named Nick, was the friendliest, most informative and caring…”
- L & L Heating & Air ConditioningTop ratedinstallationrepairemergency
What customers say “I’ve used L&L in the past to service our furnace, so when our 17-year-old Carrier furnace died and was not repairable,…”
- installationrepairemergency
What customers say “Highly recommend Sanders & Johnson! Over the years since we bought our home, we’ve tried many HVAC companies and…”
What customers say “We had water backing up from our laundry line in a finished basement connected to an upstairs kitchen sink. Our house…”
- Right Away HeatingTop ratedinstallationrepairemergency
What customers say “Ryan was amazing. The first time he came he diagnosed the problem immediately, told us what we had to do on our end,…”
What customers say “Can not say a negative thing about these guys. The professionalism from start to finish was stellar. Travis - The…”
- All Weather HVAC DenverTop rated
What customers say “Mike, my service technician was excellent. He Explained the issue and the cost to fix these issues. He reached out to…”
What Denver homeowners say
“Mike, my service technician was excellent. He Explained the issue and the cost to fix these issues. He reached out to my Home Warranty to see if they would cover all cost. And of course they didn’t but that’s a story for another day. My experience wi…”
“I’ve used L&L in the past to service our furnace, so when our 17-year-old Carrier furnace died and was not repairable, I gave them a call. After getting bids from three different companies, decided to go with L&L as they were not only able to get it…”
“Richard, the HVAC mechanic, showed up to our property promptly and quickly diagnosed the issue with our furnace. He was knowledgeable, efficient, and explained that the problem was a faulty thermostat. Thanks to his expertise, we were able to resolve…”
Local pricing snapshot
Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Dual-fuel systems (heat pump + gas backup) are recommended for this area's cold winters.
Available rebates in Denver
- Xcel Energy Colorado: Xcel Energy CO Cold Climate Heat Pump Rebate — $800–$3,400 for heat pump
- Xcel Energy Colorado: Xcel Energy CO High-Efficiency Gas Furnace Rebate — $200–$500 for furnace
Federal tax credits (up to $2,000 for heat pumps) can stack with utility rebates. See full cost breakdown →
Nearby service areas
Colorado hub →Explore more Colorado markets from the state hub.
Popular comparisons in Denver
- Golden West Plumbing, Heating, Air Conditioning, and Electrical vs Swan Plumbing, Heating & Air of Denver4.8★ vs 4.8★
- Golden West Plumbing, Heating, Air Conditioning, and Electrical vs Heart Heating, Cooling, Plumbing & Electric4.8★ vs 4.8★
- Swan Plumbing, Heating & Air of Denver vs Heart Heating, Cooling, Plumbing & Electric4.8★ vs 4.8★
- Swan Plumbing, Heating & Air of Denver vs Squeaks Services Plumbing Heating & Air - Denver4.8★ vs 4.8★
- Heart Heating, Cooling, Plumbing & Electric vs Squeaks Services Plumbing Heating & Air - Denver4.8★ vs 4.8★
- Heart Heating, Cooling, Plumbing & Electric vs Ultimate Heating, Cooling, Plumbing & Electric4.8★ vs 4.8★
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Frequently Asked Questions
What's the best heating system for Denver?
Denver has cold winters (avg January: 28°F) with 6,000 heating degree days. A dual-fuel system (heat pump + gas furnace backup) is recommended — the heat pump handles mild days efficiently while the furnace takes over during deep cold snaps below 15-20°F.
How important is air conditioning in Denver?
Very. With 700 cooling degree days and summer highs regularly exceeding 72°F, AC is essential in Denver. Central AC or a heat pump (which provides both heating and cooling) is strongly recommended. Budget $3,500-$7,000 for a quality cooling system installation.
What HVAC rebates are available in Denver?
Denver homeowners can stack multiple incentives: Xcel Energy Colorado offers up to $3,400 for heat pump installations. Add the federal 25C tax credit ($2,000), and total savings can reach $5,400+. Ask your installer to itemize which rebates apply to your specific project.
How much does HVAC work cost in Denver?
In Denver, typical costs range from $150-$600 for repairs, $4,000-$8,000 for a standard furnace or AC replacement, and $6,000-$14,000 for a heat pump system. After available rebates, heat pump installations often net out to $4,000-$9,000. Get 2-3 written quotes to compare — prices vary significantly between contractors.
How do I verify a HVAC contractor is licensed in Colorado?
Colorado does not issue a statewide HVAC contractor license — HVAC licensing is handled by individual municipalities (Denver requires a Mechanical Contractor license through the Denver Community Planning and Development office; Colorado Springs, Aurora, and Boulder each have their own). Any gas or plumbing work still requires a state license from DORA (verify at apps.colorado.gov/dora). Always confirm the local HVAC license, current general-liability insurance, and any municipal bond requirement before hiring.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: Colorado Department of Regulatory Agencies (DORA) — Division of Professions and Occupations (municipal HVAC licensing; statewide plumbing/electrical only) · Company data: verified business records + Google Business profile
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