HVAC Installation & Service in Denver, CO
HVAC Installation & Service companies serving Denver — compare ratings, hours, and contact details.
269
Pros actively working
4.6
What people rate them
2,078
Real reviews
Denver, Colorado HVAC company map
See where the best hvac installation & service crews are located around Denver, Colorado.
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HVAC Installation & Service in Denver: what the listings show
Of the 269 HVAC Installation & Service contractors listed in Denver, 87 advertise 24-hour availability and 145 are open on Sundays.
269
contractors listed
87
open 24 hours (34%)
145
open Sunday (56%)
189
open Saturday (73%)
197
have a website
Why Denver's dry weather breaks HVAC systems
In Denver, summer highs average 88°F. That strains compressors, refrigerant lines, and condensate drains. Common local issue: compressor wear due to high runtime. Recommended: systems rated SEER2 15+ for this climate.
Complete HVAC Installation & Service in Denver
System installation
Manual J sizing, duct design, and equipment commissioning.
Heat pumps
SEER2 and HSPF2 optimized heat pump installs.
Ductwork upgrades
Airflow balancing and duct sealing.
Smart controls
Thermostat calibration and zoning.
HVAC Installation & Service costs in Denver (2026 estimates)
| Service | Low | High |
|---|---|---|
| System replacement | $8,976 | $13,464 |
| Heat pump install | $10,608 | $15,912 |
| Ductwork upgrade | $3,672 | $5,508 |
Prices reflect local labor rates in Colorado.
Serving Denver and surrounding neighborhoods
Verified hvac installation & service companies cover ZIP codes across the Denver metro and surrounding areas.
Denver HVAC permits & rebates
Permits Required
Most system replacements in Denver require a permit from the Denver Building Department.
Available Rebates
Check for rebates with your local utility provider for SEER2 heat pumps, smart thermostats, and insulation upgrades.
Denver HVAC FAQ
Full system replacements in Denver average $8,000–$14,000 installed. Heat pump systems run $10,000–$16,000. Get at least 3 itemized bids including equipment, labor, permits, and disposal of the old unit.
Yes. Denver requires a mechanical permit for full system replacements and new gas line connections. Your licensed contractor must pull the permit before work starts and schedule a city inspection after installation.
Most straight-swap replacements take 4–8 hours. New construction installs or full duct replacements run 1–3 days. Confirm the scope includes equipment delivery, permit scheduling, and post-install commissioning.
Check license status through the Colorado state licensing board's online lookup tool. All installers working with refrigerant must also carry EPA Section 608 certification.
Top HVAC pros in Denver
Compare verified providers with strong local reputations and recent customer feedback.
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HVAC Installation & Service reviews in Denver
Hear from Denver homeowners about their experience with local hvac installation & service companies.
Got a whole house humidifier installed and connected to nest. Larry was very helpful, knowledgeable and efficient.
Needed barn drain cleaned, showed up on time, great service, thank you
I feel he did a good job
HVAC Installation & Service performance guide for Denver, Colorado
Climate averages are state-level reference values, not city-specific measurements.
Climate impact in Denver, Colorado
Denver, Colorado sits in a Mixed-Dry climate zone with average summer highs near 88°F and winter lows near28°F. Those swings load the evaporator coil, blower motor, refrigerant lines, and condensate drain. Keep a clean MERV filter to protect the compressor.
Seasonal swings stress refrigerant lines and condenser capacity. Verify charge and airflow to protect the evaporator coil.
Most common local breakdowns
Capacitor wear and refrigerant line-set leaks after wide temperature swings.
Outdoor coil fouling that raises head pressure and stresses the compressor.
Low airflow from dirty MERV filters or a weak blower motor causes ice. Ask for airflow and refrigerant superheat checks.
Equipment recommendation
Look for two-stage systems with SEER2 16+ to manage shoulder-season swings without overworking the blower motor. Seal ductwork and schedule coil cleaning to protect the heat exchanger, capacitor, and compressor.
Heat pumps favor variable-speed compressors and tight refrigerant line sets to stabilize humidity control.
Local code and housing notes
Ask contractors about Colorado energy code compliance and permits. Older homes often benefit from ductless mini-splits to reduce line-set length and improve zone control.
Mechanical permit for system replacement and condenser swaps.
Post-install inspection covering refrigerant line pressure and condensate drain routing.
Load calculation proof to avoid short-cycling compressors.
Airflow verification (blower motor speed + static pressure).
Always confirm a contractor's license and insurance before hiring.
Learn more: Colorado HVAC coverage · SEER2 rating guide · MERV filter selection · Editorial Policy · How We Rank