HVAC contractors in
Aurora, Colorado.
A public directory of hvac contractor businesses serving greater Aurora. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.
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Common Job Costs
Licensing Requirements
Licensing Requirements
Colorado HVAC contractors must hold a Class A, Class B, or Class C license issued by the Division of Professions and Occupations. Class A requires 4 years documented experience (8000+ hours) plus passing the EPA Section 608 certification exam and the state trade exam. Class B requires 2 years experience (4000+ hours). Class C requires 1 year experience (2000+ hours). All applicants must pass the appropriate trade exam. Licenses renew every 2 years; 24 hours of continuing education required per renewal cycle.
Permit Requirements
Aurora Building Department requires mechanical permits for all new HVAC installations, replacements, and major modifications. Permit applications must include system specifications, energy code compliance documentation (typically meeting 2021 IECC standards), and contractor license verification. Residential HVAC permits typically cost $75-$150. Commercial projects require additional documentation and may demand design stamps from licensed engineers.
Inspection Schedule
Initial rough-in inspection before ductwork closure. Final inspection after system commissioning and before occupancy clearance. Ductwork pressure testing required for new construction (typically 25% of duct surface area per IECC). Refrigerant charge verification and airflow testing documented on final inspection report.
Insurance Minimums
Colorado does not mandate specific insurance minimums by statute, but Aurora municipal code and most residential customers require minimum $300,000 general liability coverage and $1,000,000 umbrella. Workers' compensation mandatory for any company with employees. Bonding ($10,000-$25,000) recommended for customer protection.
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Local market snapshot
Source: DoorBase, aggregated public ZIP-level data. Updated 8/17/2026.
How to Get Licensed
Verify Experience and Document Hours
For Class A: accumulate 4 years (8000+ documented hours) of hands-on HVAC field experience under a licensed contractor. For Class B: 2 years (4000+ hours). For Class C: 1 year (2000+ hours). Keep detailed records of employers, dates, job types, and hours. Your employer or sponsor must verify hours in writing; this is non-negotiable. Experience must be in Colorado or reciprocal state (verify with Division of Professions).
Obtain EPA Section 608 Certification
Pass the EPA Section 608 exam administered by approved testing centers. Covers refrigerant handling, leak prevention, and recovery. No permit work touching refrigerant is legal without it. Schedule exam early; it's a prerequisite for state licensing. Cost typically $100–$200. Once passed, your card is valid indefinitely (though best practice is to stay current on updates).
Complete Pre-Application Requirements
Gather documentation: proof of hours worked (employment letters, tax returns, payroll records), EPA Section 608 card, high school diploma or GED, Colorado residency confirmation (driver's license). Contact the Colorado Division of Professions and Occupations to confirm current application fees (typically $200–$350 depending on license class) and exam schedule. Review the current HVAC trade exam study materials online.
Submit Application to Division of Professions and Occupations
Complete the official HVAC license application form (available on the Division website). Include documented hours, EPA 608 proof, and fees. Submit by mail or online portal. Division processes applications in 2–4 weeks; they will contact you if documentation is incomplete. Once approved, you will receive exam scheduling information.
Pass the State HVAC Trade Exam
Schedule and take the state-administered HVAC trade exam at an approved testing center. Exam covers installation, repair, code, safety, and best practices. Passing score is 70% minimum. Test is typically 2–3 hours. Upon passing, the Division issues your license. You can begin work immediately. For renewals every 2 years: complete 24 hours of continuing education and submit renewal fee (typically $150–$200).
About This Market
Aurora HVAC market runs hot year-round but peaks hard May through September. You've got solid demand—3.5 million-plus metro residents, high AC adoption due to elevation and dry climate, lots of new construction on the southeast and northeast sides, and aging furnaces in the central and northwest neighborhoods turning over. Competition is real: approximately 2,528 licensed HVAC establishments statewide, with maybe 400-500 actively serving the Aurora metro. Costs track regional: residential AC installs run $4,500–$8,000 depending on ductwork condition and equipment tier, furnaces $3,500–$6,500. Your labor costs sit around $34.29/hour median (per BLS), but experienced techs pull higher. Material costs drive the job. Altitude and winter heating demand keep both AC and furnace work steady. You'll chase commercial service contracts hard in summer; that's margin.
To work Aurora, you need a Class A, B, or C license from the Colorado Division of Professions and Occupations—no shortcuts. EPA Section 608 certification is table stakes before you touch refrigerant. State exam is the gate; passing scores are 70% minimum. Licensing takes 4 years for Class A (most desirable), 2 for Class B, 1 for Class C—real time in the field, documented. You'll pull a mechanical permit from Aurora Building for every install and replacement; they're tight on energy code and ductwork pressure testing. Inspections catch sloppy work. Renew your license every 2 years with 24 hours continuing ed—track it or lose your ticket. Get $300K general liability and workers' comp before you roll. Peak season is May–September; book jobs in April. Response time expectations: 1–2 days for quotes, same-day for emergency calls. Winter (October–November) is secondary peak for furnace installs. Know the code, price material accurately, and don't cut corners on refrigerant handling or you'll face EPA fines and lose your 608.
- Median hourly wage for HVAC techniciansBureau of Labor Statistics (BLS), Occupational Employment and Wage Statistics (OEWS)
- Number of licensed HVAC establishments in ColoradoU.S. Census Bureau, County Business Patterns (CBP)
- Licensing types, exam requirements, and renewal scheduleColorado Department of Regulatory Agencies, Division of Professions and Occupations
- EPA Section 608 refrigerant certification requirementsU.S. Environmental Protection Agency (EPA) Significant New Alternatives Policy (SNAP)
- Aurora mechanical permit requirements and inspection schedulesCity of Aurora Building Department, 2021 International Energy Conservation Code (IECC) adoption
- General liability and workers' compensation insurance standardsColorado Department of Labor and Employment; Aurora Municipal Code
Frequently Asked Questions
What's the difference between Class A, B, and C HVAC licenses in Colorado?
Class A requires 4 years of documented HVAC experience (minimum 8000 hours), EPA Section 608 certification, and passing the state trade exam. Class B requires 2 years experience (4000+ hours). Class C requires 1 year experience (2000+ hours). All three require the state exam. Class A is unrestricted; Class B and C have some work limitations and supervision requirements on complex jobs. For Aurora work, Class A is standard for independent contractors. Source: Colorado Division of Professions and Occupations.
How much does a new AC system cost installed in Aurora?
Residential AC installation typically ranges $4,500–$8,000 for a 3–5 ton unit. Price depends on SEER rating (higher efficiency costs more), ductwork condition, accessibility, and whether you're replacing or new construction. If existing ducts need sealing or replacement, add $400–$1,200. Labor runs roughly $34.29/hour median per BLS data, but experienced techs charge more. Material costs dominate.
What permits and inspections does Aurora require for HVAC work?
Aurora Building Department requires a mechanical permit for all new installations and system replacements. You'll get a rough-in inspection before ductwork closure and a final inspection after commissioning. New construction or major ductwork replacement triggers ductwork pressure testing per 2021 IECC (typically 25% of duct surface area). Permit fees run $75–$150 residential. Commercial work demands additional design documentation. Source: City of Aurora Building Department.
When is the busiest season for HVAC contractors in Aurora?
Peak season is May through September, with the hardest push mid-June through August when AC demand spikes. Secondary peak runs October through November as homeowners install and service furnaces before winter. Winter months (December–February) slow down significantly unless you handle emergency calls. Plan staff and material procurement around May start; book jobs by April.
What insurance and bonding do HVAC contractors need in Colorado?
Colorado state law does not mandate specific insurance minimums, but Aurora municipal code and customer expectations require minimum $300,000 general liability and $1,000,000 umbrella coverage. Workers' compensation is mandatory if you have employees. A performance bond of $10,000–$25,000 protects customers and is standard for commercial jobs. EPA fines for refrigerant violations are separate—maintain your 608 certification or face federal penalties. Source: Colorado Department of Regulatory Agencies; Aurora Municipal Code.
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