HVAC Contractors in Green Bay, Wisconsin
Licensed Establishments
1,922
U.S. Census Bureau
Peak Season
May through September for cooling installs, October through March for heating repairs and replacements
Estimate
Avg. Response Time
24-48 hours for quotes, same day for emergency calls
Estimate
Common Job Costs
| Service | Cost Range |
|---|---|
| AC unit replacement | $3,500 – $8,500 |
| Furnace installation | $2,800 – $6,200 |
| Ductwork replacement | $4,000 – $12,000 |
| Heat pump installation | $4,200 – $9,800 |
| System tune-up/maintenance | $150 – $350 |
| Emergency repair calls | $200 – $800 |
Licensing Requirements
Licensing Requirements
Wisconsin requires DSPS Credential for HVAC work. Must pass trade exam, show 4 years experience or complete approved apprenticeship program. Renewal every 2 years with continuing education. Master credential available with additional experience and exam.
Permit Requirements
City of Green Bay requires mechanical permits for HVAC installations, replacements, and major repairs. Permit fees range $50-200 based on project scope. Submit through Green Bay Building Inspection Department.
Inspection Schedule
Rough-in inspection before covering work, final inspection upon completion. Schedule 24 hours in advance with Green Bay Building Inspection. Additional inspections may be required for complex installations.
Insurance Minimums
General liability minimum $300,000, workers compensation as required by Wisconsin law for employees. Many customers require $1M liability coverage.
How to Get Licensed
- 1
Meet experience requirements
Complete 4 years of documented HVAC experience or finish a state-approved apprenticeship program. Document all work experience with employer verification.
- 2
Apply for examination
Submit application to Wisconsin DSPS with required fees and documentation. Include proof of experience, education transcripts if applicable, and background check.
- 3
Pass trade examination
Take and pass the Wisconsin HVAC trade examination. Covers codes, safety, refrigeration, heating systems, and electrical fundamentals.
- 4
Receive initial credential
Upon passing exam and completing application review, receive Wisconsin DSPS HVAC Credential. Valid for 2 years from issue date.
- 5
Maintain through renewal
Renew every 2 years with continuing education requirements. Submit renewal application and fees before expiration to maintain active status.
About This Market
Green Bay's HVAC market runs hot and cold with the brutal Wisconsin weather. You've got steady residential replacement work from aging systems, plus commercial jobs from the paper mills and industrial base. Competition's stiff with roughly 25-30 established contractors serving Brown County. Costs get driven up by Wisconsin's tough energy codes and the need for high-efficiency equipment to handle temperature swings from -20°F to 90°F. Here's what you need to know to work Green Bay: Get your Wisconsin DSPS credential first - no shortcuts. The city's permit process is straightforward but they inspect everything. Your busy season splits between spring AC prep and fall heating emergencies. Stock cold-weather equipment and be ready for emergency calls during polar vortex events. Local customers value reliability over rock-bottom pricing - they remember who showed up during the last blizzard.
Data Sources:
Frequently Asked Questions
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