Business Profile
  • Northeast Wisconsin
  • November 2010

Christensen & Wisnet Heating & Cooling

Christensen & Wisnet Heating & Cooling started in 1966 as a small heating company that serviced heating equipment for its customers that purchased home heating oil from its parent company, Christensen & Wisnet Oil Co. As the market changed and fuel oil became a less popular choice, owners John Christensen and Joe Wisnet saw an opportunity to grow their heating and cooling business outside their customer base by offering a full spectrum of products to all customers. They would sell the oil company to U.S. Oil and purchase their heating and cooling division. "This venture positioned us as a major player in the residential heating and cooling business in the Valley," says John Christensen. "We were able to buy better and pass those savings to the customer."

Today, Christensen & Wisnet offers heating and cooling products ranging from high-efficiency furnaces, boilers, air conditioners, humidifiers, air filtration, thermostats and much more. "Our products can accommodate the green agenda that our customers are looking for," says John. "We offer free estimates to our customers so they know what they will save, and tailor it to fit their budget."

Our logo, the "Good Guys," came from our customers. We repeatedly heard them comment to us after we serviced, repaired or installed a system that we were very professional and good guys. We thought: why not add it to our name. We also live by our motto, "We won’t let you down, we promise!"

John Christensen is a fourth generation heating and cooling business professional, and has a business degree from the University of Wisconsin La Crosse.

His son, Andrew, is planning on moving into the business and is currently working on his associate’s degree in heating and cooling from Northeast Wisconsin Technical College.

His nephew, Dan Christensen, holds a computer degree from Fox Valley Technical College and currently handles marketing, I.T. and customer relations.

"These two guys will insure the future and business ethics that were instilled in my partner and I from our parents," says John, who is on the board of directors for the Northeast Wisconsin Better Business Bureau.

Today Christensen & Wisnet Heating & Cooling is located at 4450 W. Greenville Drive in Appleton just north of the Fox River Mall.

You can see many of the products available in their working showroom. They also encourage "do-it-yourselfers" to stop in for air filters, thermostats, carbon monoxide detectors and HVAC parts at rates that are very competitive.

Current tax credits, rebates and Energy Star rewards make buying in 2010 a great time to update your current heating and cooling system to something more efficient, safe and reliable.

They can be reached at (920) 734-1436 or check their web site at for helpful information.

They won’t let you down. They promise!

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