Top 7 HVAC companies in Arapahoe, Colorado

Climate in Arapahoe County

Arapahoe County sits in IECC zone 5B with a dry moisture regime. Heating degree days total 5,900 while cooling degree days reach only 800, producing a heating-leaning mixed load profile. Winter design temperature is 3 °F and summer design temperature is 92 °F. Very dry air year-round makes humidification common in homes. Natural gas remains the dominant heating fuel. Heat pumps perform well with backup, either dual-fuel or cold-climate models. Central air conditioning saturation stays moderate. Peak service demand occurs in winter. Large diurnal temperature swings and altitude require careful equipment sizing and derating.

The shortlist

This shortlist is built from public listing data, not a review of work performed. Companies are ranked by a Bayesian-adjusted rating that pulls each star rating toward the national mean of 4.764 until the firm accumulates enough reviews to stand on its own.

Best Colorado HVAC

Best Colorado HVAC operates from 4832 S Nucla Way, Aurora, CO 80015 and can be reached at (720) 218-3407. It lists as a general contractor yet publishes 24/7 availability and maintains a public website. Its raw 5 rating receives a downward adjustment to 4.944 because the firm has only 31 reviews. The score before tie-breakers sits at 4.884. The two ranking signals add the final lift. These numbers cannot reveal how the firm handles complex altitude derating on gas furnaces.

Hawkeye Heating and Air Conditioning

Hawkeye Heating and Air Conditioning operates from 22491 E Powers Pl, Aurora, CO 80015 and can be reached at (303) 523-1382. It lists as a general contractor and maintains a public website but does not publish 24/7 availability. Its raw 5 rating receives a downward adjustment to 4.943 on the basis of 43 reviews. The score before tie-breakers sits at 4.903. The single published website supplies the tie-breaker margin. These numbers cannot show whether the firm stocks parts for older natural-gas equipment common in the county.

Wyll Heating and AC Company

Wyll Heating and AC Company operates from 10660 E Colfax Ave, Aurora, CO 80010 and can be reached at (720) 513-2559. It lists as a general contractor and maintains a public website. Its raw 5 rating receives a downward adjustment to 4.931 with 35 reviews. The score before tie-breakers sits at 4.891. The website accounts for the final placement. These numbers cannot indicate how quickly the firm responds during the winter peak.

Hybrid Mechanical

Hybrid Mechanical operates from 6801 S Emporia St, Greenwood Village, CO 80112 and can be reached at (720) 800-6338. It lists as a general contractor, publishes 24/7 availability, and maintains a public website. Its raw 5 rating receives a downward adjustment to 4.903 on the strength of 15 reviews. The score before tie-breakers sits at 4.843. Both extra signals contribute to its position. These numbers cannot reveal the firm’s experience with evaporative cooling systems viable in the dry climate.

Tradesman Heating and Air Conditioning LLC.

Tradesman Heating and Air Conditioning LLC. operates from 5785 Desert Inn Lp, Elizabeth, CO 80107 and can be reached at (720) 855-5885. It lists as a general contractor and carries neither a website nor published 24/7 availability. Its raw 5 rating receives a downward adjustment to 4.9 with 41 reviews. The score before tie-breakers equals the adjusted score. Absence of signals places it fifth. These numbers cannot show how the firm manages permit coordination across multiple Arapahoe jurisdictions.

MileHi HVAC Contractor Denver CO

MileHi HVAC Contractor Denver CO operates from 4885 S Broadway, Englewood, CO 80113 and can be reached at (720) 770-0055. It lists as a general contractor and maintains a public website. Its raw 5 rating receives a downward adjustment to 4.863 with only 10 reviews. The score before tie-breakers sits at 4.823. The website supplies the tie-breaker. These numbers cannot indicate the firm’s familiarity with dual-fuel heat-pump installations required for state rebates.

Rockwell HV & AC Cleaning

Rockwell HV & AC Cleaning operates from 5969 S University Blvd, Littleton, CO 80121 and can be reached at (720) 802-1918. It lists as a general contractor and carries neither a website nor published 24/7 availability. Its raw 5 rating receives a downward adjustment to 4.843 with 15 reviews. The score before tie-breakers equals the adjusted score. Lack of signals fixes the final rank. These numbers cannot reveal the firm’s capacity for full system replacements versus cleaning services.

How to choose an installer

Verify the contractor’s registration status with the Colorado Energy Office before discussing heat-pump options. Confirm the firm holds any required local mechanical license from the city or county where the work will occur. Request references from recent jobs that involved altitude derating or dual-fuel setups. Compare written estimates that itemize equipment, labor at $120 per hour, and permit fees between $150 and $500.

Installed costs

One data source places a typical full-system install between $9,300 and $11,400 while 2025 invoiced averages reached $17,151 with the upper quartile at $25,373. The two sources disagree, indicating wide variation by equipment tier and job complexity. Labor is billed at $120 per hour. Permit fees range from $150 to $500 depending on jurisdiction. Both sources supplied the figures, so the spread itself supplies useful information rather than a single reliable midpoint. Homeowners should obtain multiple itemized bids that separate equipment from labor and permits.

Licensing and permits

Colorado maintains no statewide HVAC contractor licensing board. Licensing and permitting occur entirely at the city and county level. The example jurisdiction of Denver issues Mechanical Supervisor Certificates and Mechanical Contractor licenses through its Community Planning and Development department. Insurance requirements vary by jurisdiction because no statewide minimum exists. Permits are likewise required by local building departments rather than a central state office. Homeowners must contact the specific Arapahoe County municipality where work will take place to confirm current license and permit rules before signing a contract.

Available incentives

The Colorado Home Energy Rebates program remains limited. Registered contractors can deliver up to an $8,000 heat-pump rebate plus state tax credits of $1,000 for air-source or $2,000 for ground-source units. The contractor must pass through at least 33 percent of the tax credit as an immediate discount. Utility rebates from Xcel Energy and others range from $700 to $2,500. Only CEO-registered heat-pump contractors can unlock the state credit, so homeowners must verify registration before obtaining bids. Federal 25C and 25D credits expired at the end of 2025, leaving no residential federal HVAC tax credit available in 2026.

Contractors that hold CEO registration and publish 24/7 availability narrow the field for homeowners seeking both incentives and emergency service.