Ziegelbauer
H.V.A.C.
Heating, Cooling & Comfort — Done Right
Serving Fond du Lac and surrounding areas since 1990. Professional HVAC installation, repair, and maintenance for homes and businesses.
Full-Service HVAC
Solutions
Cooling
We have a number of different options to help you with all of your air-conditioning needs.
Heating
We have years of experience to help you determine how to tackle all of your heating needs.
Preventive Maintenance
Seasonal tune-ups that extend equipment life and prevent costly breakdowns.
Indoor Air Quality
With you and your loved ones in mind, we offer products to help with your home's indoor air quality.
Emergency Service
HVAC emergencies don't wait for business hours — neither do we.
Serving the area since
1990
The Ziegelbauer
Difference
John Ziegelbauer founded Ziegelbauer H.V.A.C. in 1990. His main objective was to offer people great services and equipment at a fair price. He chose the Armstrong brand after careful consideration because of their top of the line stainless steel primary and secondary heat exchanger design.
Years of Experience
John Ziegelbauer founded Ziegelbauer H.V.A.C. in 1990 with one goal: offer great service and equipment at a fair price.
Licensed & Insured
Every technician is fully licensed, bonded, and insured. Your home and your investment are always protected.
Fond du Lac Proud
We're your neighbors. Fast response times, honest pricing, and a commitment to the Fond du Lac community.
Ready to get
comfortable?
Whether you need a quick repair, a full system replacement, or just a seasonal tune-up — we're here to help.
Send Us a Message
Fill out our contact form and we'll get back to you promptly with a free, no-obligation estimate.
Go to Contact FormNo-obligation estimates · Fast response · Upfront pricing