HVAC contractors in
Green Bay, Wisconsin.
A public directory of licensed hvac contractors serving greater Green Bay. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.
Common Job Costs
Licensing Requirements
Licensing Requirements
Wisconsin requires HVAC contractors to hold a Master Plumber license or employ a licensed Master Plumber. Must pass state examination, complete 4-year apprenticeship or equivalent experience, and renew every 2 years. Individual technicians need EPA Section 608 certification for refrigerant handling.
Permit Requirements
Green Bay requires permits for new HVAC installations, system replacements, and major modifications. Permit fees range from $75-$200. Must be pulled by licensed contractor before work begins.
Inspection Schedule
Rough-in inspection after installation, final inspection before system startup. Additional inspections required for commercial work and new construction.
Insurance Minimums
General liability minimum $300,000, workers compensation required if employees present. Bonding requirements vary by project size and municipality.
How to Get Licensed
Complete apprenticeship
Complete 4-year HVAC apprenticeship program or demonstrate equivalent work experience (typically 8,000 hours) in the trade.
Apply for Master Plumber license
Submit application to Wisconsin Department of Safety and Professional Services with proof of experience, education transcripts, and application fees.
Pass state examination
Schedule and pass the Wisconsin Master Plumber examination, which covers HVAC systems, codes, and safety requirements.
Obtain EPA certification
Complete EPA Section 608 certification for refrigerant handling - required for all technicians working with cooling systems.
Secure insurance and bonding
Obtain required general liability insurance, workers compensation coverage, and any municipal bonding before beginning operations.
Register business
Register business with Wisconsin Department of Financial Institutions and obtain any required local business licenses in Green Bay.
About This Market
Green Bay's HVAC market runs steady year-round with 1922 licensed establishments statewide competing for work. Harsh Wisconsin winters drive consistent heating system demand while humid summers keep cooling installations busy. Residential replacements dominate, with older housing stock in established neighborhoods requiring frequent updates. Labor costs average $31.91 per hour according to BLS data, but material costs and equipment complexity push total project prices higher than state averages.
To work this market, get your Master Plumber license sorted first - Wisconsin doesn't mess around with licensing requirements. Peak season splits between heating emergencies in winter and AC installations in spring. Local permit process is straightforward but required for everything beyond basic maintenance. Focus on building relationships with local suppliers and understand that customers here expect reliable, long-term solutions over flashy sales pitches. Winter emergency calls pay premium rates but summer installation work provides steadier income streams.
- Median hourly wageU.S. Bureau of Labor Statistics
- Number of licensed establishmentsU.S. Census Bureau
- Licensing requirementsWisconsin Department of Safety and Professional Services
- Permit requirementsGreen Bay Building Department
- Insurance minimumsWisconsin Department of Agriculture, Trade and Consumer Protection
Frequently Asked Questions
What license do I need to work as an HVAC contractor in Wisconsin?
Wisconsin requires HVAC contractors to hold or employ a Master Plumber license, plus EPA Section 608 certification for refrigerant work. Source: Wisconsin Department of Safety and Professional Services.
How much do HVAC technicians make in Green Bay?
According to BLS data, HVAC technicians in Wisconsin earn a median wage of $31.91 per hour or $66,373 annually, with Green Bay rates typically matching state averages.
Do I need permits for HVAC work in Green Bay?
Yes, Green Bay requires permits for new installations, system replacements, and major modifications. Permit fees range $75-$200 and must be obtained before starting work. Source: Green Bay Building Department.
When is peak season for HVAC work in Green Bay?
Peak seasons split between heating emergencies October through March and cooling installations May through September, driven by Wisconsin's extreme seasonal temperature variations.
What insurance is required for HVAC contractors in Wisconsin?
Wisconsin requires general liability insurance with minimum $300,000 coverage and workers compensation if employing others. Bonding requirements depend on project size and local regulations.
HVAC contractors in Green Bay
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