Keeping your family's heating & cooling systems in top shape
Professional HVAC service since 1917

Heating & Cooling Services

A trusted HVAC Company

Since 1917

24/7 Emergency Services


Milwaukee & Surrounding


Lake Country Area


Madison & Surrounding

Our customers don't lie!

"The staff at Iron Fireman are responsive, professional and polite. We have done business with them twice thus far have recommended them to family, co-workers and friends. We always receive stellar customer service and that is admirable trait."

— Shellye, Whitefish Bay

"The crew came in the morning and were gone mid afternoon. I couldn’t tell they were here, and all the mess that was made during the process of installing a new furnace and central air was cleaned up! Very friendly and easy people to work with and best of all great prices. Would highly recommend this company."

— Zack, Delafield

"I want to thank Tom for his diligent service on Friday. He got the master boiler back up and running and then installed the new humidifier. But more than that, Tom called me Saturday morning to inquire if all was still OK. That level of service was unexpected but very welcome. Tom is hard-working and very diligent. He is to be valued and appropriately rewarded."

— Robert

"We have been customers of Iron Fireman for 56 years. Our kids are now customers with you, and our Mother-in-law was a customer before we were. Our family has really enjoyed working with your company. You guys have always stood behind your work and we truly appreciate everything you have done for us."

— John, Milwaukee

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#1 Installer in SE Wisconsin!

Iron Fireman is proud to offer the world-renowned UNICO air conditioning systems to our customers. Founded in 1985, UNICO has industry-wide recognition for their small duct high-velocity (SDHV) central air system. A great option for providing air conditioning in older homes, no other southeastern Wisconsin HVAC company installs more UNICO systems than Iron Fireman.

The UNICO Difference

Iron Fireman is proud to offer a full line of Rheem’s heating and air conditioning products to our customers. Founded in 1925, Rheem is a leading supplier of air conditioning and furnace products in North America. Demonstrating industry-leading durability and energy efficiency, Rheem is one of the most trusted brands in American homes today.

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expert advice on your home's HVAC systems
Iron Fireman: a history of heating & cooling service excellence

Serving All of Southeastern Wisconsin

Iron Fireman employs technicians in Milwaukee County, Waukesha County, and the surrounding area. Whether you live in Lake Country, Slinger, or even Racine we’ll certify your home is ready to meet your needs of indoor comfort. Some of our service areas include:

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Contact Iron Fireman Today!

Iron Fireman has been providing top-of-the-line heating and cooling services in Southeast Wisconsin for more than 95 years. Let us help restore and maintain the indoor comfort of your home.