WM. J. Kraus and Son is a fourth generation family owned and operated company that believes honesty, integrity, and reliability are the fundamental principles to customer satisfaction and company success. As a family owned and operated company that has been in business since 1932, we offer you a legacy of quality service that is undeniable. 

      WM. J. Kraus and Son is now operated by Adam Kraus, great-grandson of the company founder. For more than 89 years, Kraus and Son has served the tri-state area around Keokuk, putting customers first with the finest service and highest-quality heating and cooling products. Today, we’re proud to offer geothermal backed by the same timeless quality and cutting-edge technology we’ve built a reputation on.

  • BBB Rating of A+
  • Save Certification through Alliant Energy 
  • Iowa State licensed contractor
  • Iowa State Master licensed HVAC, hydronics, refrigeration, and plumbing

All of our installations are completed in a workmanlike manner according to standard practices. We are home of the Lifetime Craftsmanship Warranty! 

Meet Our Team!

Owners Adam & Nicole Kraus
Service Manager & Journeymen Tim Kraus
Office Manager Linda Burdette
Master HVAC/R Cory McCandless
Sheetmetal Master Myron McVeigh
Installer Matt McVeigh
Service Technician Rob Wilsey
Office Manager Nina Hutcherson