Exceptional Heating & Cooling Service in Fond du Lac

At Air Tech Heating, we don’t just say our customers come first—we put them first because they’re truly our priority. Our family-owned and -operated business treats all customers as if they’re a part of our family, too. We opened our doors in 1997 with the intention of providing Fond du Lac area customers with the best attention, and we’ve done just that. From your initial call to finishing up a repair, we’ll show you how much we value exceptional customer service. We even offer 24-hour emergency care with live answering so that your needs are ours any time of day. Never hesitate to give us a call so we can keep your home feeling comfortable.

Our full range of heating and cooling services includes furnace, boiler, and air conditioner installations, repairs, and maintenance, plus indoor air quality attention, new construction, and light commercial work. You can rest assured that whatever needs you have, we will meet them with professionalism and care. Most of our technicians are NATE certified and all are highly skilled in the industry.

They work to continue their education through industry courses so that Air Tech stays up to date on all codes and field advancements. You can expect value and comfort with us.

We’ve been proudly serving the Greater Fond du Lac area for almost 20 years with exceptional service. You’ll most likely hear one of your neighbors rave about us at one point or another. We are proud recipients of various awards including the Bryant Medal of Excellence award in 2015, and we are the eight-time winner of Gannett Reader’s Choice Best Heating & Air Conditioning company in the Fond du Lac area. We couldn’t be more proud of our family heating and cooling business and the work we provide for our customers. Give us a call at 920-924-6742 or contact us online to request an appointment. At Air Tech, you can trust our service.

Heating Service

From furnace and boiler maintenance to brand new installations, our team at Air Tech has you covered!

Cooling Service

When your A/C is in need of a repair to keep it running, call our team to ensure you get the best service available.

Indoor Air Quality Service

Our technicians are fully trained in indoor air quality and can offer solutions to help improve the air in your home.

New Construction

Our team will be there to help with your new construction project, too—subcontractors prefer to work with us.


We offer our customers financing with approved credit—apply on our website today to see if you qualify.

Maintenance Agreements

Take advantage of our maintenance agreements to prolong the life of your system with regular cleanings and inspections.

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