Bill Maus

Roofing Estimator

Jason Kraft

Service Tech.

Mark Sullivan

Service Tech.

Carl Heidesch


Our Staff

   Tom Hunt

Service Tech.

Brett Firzlaff

Dubuque Steel Products Manager

          Jim LaPage

Fabrication Department

Heating and Cooling in Dubuque and Tri-State Area

About Us


 * Commercial and Residential heating and cooling installation and Repair

* Serving the Dubuque and Tri-State area.

*Commercial Roofing

*Sheet Metal

      Corey Valaskey PE

Estimator/Project Manager

24/7 Service Available:


1500 Radford Rd.

Dubuque, IA  52002

Fax: 563-583-7365

 Read our Telegraph Herald Insert about our 125th Anniversary.

Bryce Nannenga

Roofing Manager

Geisler Brothers


Est. 1892

Todd M. Geisler


  Alison Geisler

Service Manager

George Hannaman

  Project Manager

Contact us

    Bob Reisdorf

HVAC Dept. Manager