About Wiesemann Plumbing, Heating & Air

Wiesemann’s Plumbing and Heating is a family owned business operating for over 30 years. Michigan City natives, Bill and Laurie Wiesemann, founded the company in 1986. Today, second generation, Will Wiesemann is president. Will began working along his father at the age 16. Over the past 20 years, he has gained experience in all aspects of the trade. Following in his father’s footsteps, Will ensures Wiesemann’s Plumbing and Heating provides honest professional work.


Our company demonstrates excellence by  installing only high-quality products with industry leading warranties. As the plumbing and heating industry shifts into the modern era, our company mandates consistent training. As a result, we are able to provide our clients with safe, reliable, and energy efficient products. We stand behind our service, products, and most importantly our honorable reputation.


Our company is licensed, bonded, and insured in the states of Indiana and Michigan for plumbing and heating. We provide service to Northwest Indiana and Southwest Michigan. Our work includes residential, commercial, and industrial.


Installation and service are provided in all aspects of plumbing, heating, and cooling. Such services include (but not limited to):

  1. Ductless mini splits
  2. Indoor air quality
  3. Boilers
  4. Radiant in floor heat
  5. Water heaters and/or tankless water heaters
  6. Green houses
  7. Geothermal
  8. Water treatment
  9. Snow melt systems
  10. Service and maintenance

Why Choose Wiesemann Plumbing, Heating & Air?

  • Locally Owned & Operated
  • High Quality Work
  • Prompt Project Completion