HVAC Contractors in Janesville, Wisconsin

Licensed Establishments

1,922

U.S. Census Bureau

Peak Season

May through September for AC work, October through December for heating installations

Estimate

Avg. Response Time

2-4 business days for quotes, 1-3 weeks for scheduling installation

Estimate

Common Job Costs

Service	Cost Range
AC unit installation	$3,200 – $7,500
Furnace replacement	$2,800 – $6,800
Ductwork installation	$2,500 – $5,200
Heat pump installation	$4,000 – $8,500
HVAC system maintenance	$150 – $350
Thermostat installation	$200 – $650

Licensing Requirements

Wisconsin requires HVAC contractors to hold a Master Plumber license or employ a licensed Master Plumber for refrigeration work. Journeyman license requires 4 years apprenticeship plus state exam. Master license requires additional 2 years experience plus Master exam. Licenses renew every 2 years with 24 hours continuing education.

Permit Requirements

City of Janesville requires permits for HVAC installations, replacements, and major repairs. Permit fees range from $50-200 depending on scope. Must be pulled before work begins.

Inspection Schedule

Rough inspection after installation before covering work, final inspection upon completion. City of Janesville typically schedules within 24-48 hours of request.

Insurance Minimums

Wisconsin requires minimum $50,000 general liability insurance for HVAC contractors. Most municipalities and customers expect $1 million general liability coverage.

How to Get Licensed

1
Complete apprenticeship
Complete a 4-year HVAC or plumbing apprenticeship program registered with Wisconsin Department of Workforce Development, including 8,000 hours on-the-job training and 576 hours classroom instruction
2
Pass Journeyman exam
Take and pass the Wisconsin Journeyman Plumber exam administered by PSI Services. Exam covers plumbing codes, HVAC systems, and safety regulations
3
Gain additional experience
Work as a licensed Journeyman for minimum 2 years under supervision of a Master Plumber to qualify for Master license exam
4
Pass Master exam
Take and pass the Wisconsin Master Plumber exam covering advanced systems, code compliance, and business practices
5
Apply for license
Submit application to Wisconsin Department of Safety and Professional Services with proof of experience, exam results, and required fees
6
Maintain license
Renew license every 2 years with 24 hours of approved continuing education and renewal fees

About This Market

Janesville's HVAC market serves a mix of older residential homes and light industrial facilities, with steady demand driven by equipment replacement in aging housing stock. Competition is moderate with about 12-15 established contractors serving Rock County. Cost drivers include equipment availability, seasonal demand spikes, and Wisconsin's harsh winters that create emergency service premiums. The market supports both high-end residential and budget-conscious homeowner segments. Working Janesville means understanding Wisconsin's strict plumbing licensing requirements that cover HVAC work - you need a Master Plumber on staff or be one yourself. The city runs a tight permit and inspection process, so factor 2-3 days into every job timeline. Peak season hits hard from May through September when everyone wants AC, then again in fall for furnace work before winter. Keep your insurance current at $1 million minimum - customers expect it and commercial jobs require it. Build relationships with local suppliers and plan inventory carefully since supply chain issues still impact equipment availability.

Data Sources:

Number of licensed establishments: U.S. Census BureauLicensing requirements: Wisconsin Department of Safety and Professional ServicesPermit requirements: City of Janesville Building Inspection DepartmentCost ranges: Local contractor estimatesInsurance requirements: Wisconsin Department of Safety and Professional Services

Frequently Asked Questions

Do I need a special license for HVAC work in Wisconsin?▾

Yes, Wisconsin requires HVAC contractors to hold or employ someone with a Master Plumber license for refrigeration and gas work. This requires completing a 4-year apprenticeship, passing the Journeyman exam, then gaining 2 additional years experience before taking the Master exam. Source: Wisconsin Department of Safety and Professional Services.

What permits do I need for HVAC installation in Janesville?▾

City of Janesville requires permits for all HVAC installations, replacements, and major repairs. Permits cost $50-200 depending on project scope and must be obtained before starting work. Source: City of Janesville Building Inspection Department.

How much does furnace replacement cost in Janesville?▾

Furnace replacement in Janesville typically costs $2,800-$6,800 depending on unit size, efficiency rating, and installation complexity. High-efficiency units and difficult installations drive costs toward the upper range. Source: Local contractor estimates.

How many HVAC contractors operate in Wisconsin?▾

Wisconsin has approximately 1,922 licensed HVAC establishments statewide, creating moderate competition in most markets including the Janesville area. Source: U.S. Census Bureau.

What insurance do HVAC contractors need in Wisconsin?▾

Wisconsin requires minimum $50,000 general liability insurance, but most customers and commercial jobs expect $1 million coverage. Workers compensation is also required if you have employees. Source: Wisconsin Department of Safety and Professional Services.

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