24/7 Emergency HVAC Repair Service in Southeastern Wisconsin

Iron Fireman's certified technicians are committed to providing 24/7 HVAC repair services throughout Southeastern Wisconsin. We know when your air conditioner stops cooling and your furnace stops heating it’s a dramatic occurrence. We pledge to be your year-round resource for heating and air conditioning repair and replacement.

Our team offers:

  • 24-hour emergency service: 365 days a year.
  • Guaranteed same-day service & discounted repair rates for preventative maintenance customers.
  • Service of all makes/brands/models of residential heating, air conditioning, and related accessory equipment.
  • Warranty work and processing.

Wisconsin Indoor Heating & Cooling Service Contractor

Iron Fireman is the leading distributor of UNICO high-velocity a/c systems in southeastern Wisconsin. We are a long-time installer of Rheem brand furnaces and air conditioners. Our boilers come from Weil-McLain, a historic brand in home comfort heating systems since 1881. And our partner company Clean Living Environments uses Aeroseal, a revolutionary system providing the most efficient and cost-effective approach to air duct sealing.

But, Before You Call Us…

Completing the assessment below may prevent an unnecessary service call. Visit Iron Fireman’s YouTube channel to view a collection of videos on HVAC maintenance for troubleshooting furnaces and air conditioners.

General HVAC System Checks

  • Check the filters for accumulation of dirt (replace if necessary).
  • Make sure the thermostat is in heat or cool position.
  • Set the thermostat to the desired temperature.
  • Make sure the switch at the furnace is in the on position by turning it off and then back on.
  • Check for blown fuses, tripped circuit breaker, and open disconnect switches (If on, turn off and back on. Wait 5-10 minutes to check if working)

Air Conditioner Checks

  • Check the outside disconnect to make sure it is in the “on” position.
  • Confirm if the unit is turning on.

Heating System Checks

  • Check the gas shut-off valve on the gas line and inside the unit.
  • Check for snow or leaves in external piping.
  • Confirm if the furnace, boiler, or heat pump is turning on.


Still Need An Appointment?

Contact the HVAC repair professionals at Iron Fireman. We serve all of Lake Country and the surrounding areas including Brookfield, West Allis, New Berlin, Waukesha, Milwaukee, & even Madison.