Heating and cooling emergencies in Wisconsin
Heating contractors and plumbers for breakdowns.
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What applies across Wisconsin
Under Wisconsin code SPS 305.70, no person, entity or business may install or service heating, ventilating or air conditioning equipment, or offer to, without a registration from the state Department of Safety and Professional Services as a registered HVAC Contractor. The page also lists exceptions to this requirement.
Wisconsin Department of Safety and Professional Services (source, opens in a new tab)
Focus on Energy's instant discounts for natural gas furnaces under 300 MBh at 95% AFUE or higher are $100 (standard) and $400 (income-qualified). Natural gas boilers under 300 MBh at 90% AFUE or higher get $300 (standard) and $500 (income-qualified). Rebate applications must be submitted within 60 days of completed installation, and no later than January 31, 2027.
Under Wisconsin's utility rules, a utility cannot disconnect a service that is the primary heat source to a home, or that affects it (for example water or steam radiators), from November 1st through April 15th.
Public Service Commission of Wisconsin (source, opens in a new tab)
Under Wisconsin Code SPS 305.70, no person or business may install or service heating, ventilating or air conditioning equipment unless it holds a registration from the Department of Safety and Professional Services as a registered HVAC Contractor. The page lists some exceptions to the registration requirement.
Wisconsin Department of Safety and Professional Services (source, opens in a new tab)
Before you hire
Have fuel-burning appliances such as a furnace or boiler inspected by a professional at least once a year.
Get written quotes from at least three contractors for the same work, and check references from recent clients.
Put it in a written contract: the work, price, deposit, start and finish dates, warranty, permits and clean-up. Paying cash to skip it leaves you no recourse.