Furnaces, Geothermal Heat Pumps & Mini Splits

Keeping Your Home Comfortable All Winter

Heating Service, Repair & Installation

At Jansen, we know a heating system needs to provide comfort, and in the greater Freeport area, reliability is crucial. We believe that it’s not enough to simply replace an existing system. We listen to your goals and learn about your lifestyle before suggesting a heating system that’s custom-designed for your home or business, your budget, and your unique needs. We understand the value of safe, reliable equipment and service you can trust.

Jansen is your local heating expert!

The technicians at Jansen have the training and experience to keep your systems working effectively and efficiently so you don’t have to give them a second thought.

Jansen services and repairs all makes & models of furnaces, geothermal heat pumps and mini splits.

We install our featured & industry leading furnaces from Armstrong Air.

We install our featured & industry leading geothermal heat pumps from Climate Master.

Jansen installs industry leading Mitsubishi mini split heat pumps

Call Jansen when you need heating services!

Our professional team has decades of experience installing and servicing all types of heating systems including mini-splits, gas furnaces, and geothermal systems. We also install and service hybrid systems, combining a heat pump and a gas furnace to give you the most efficient heating solution for your home.

Jansen Heatingstarstarstarstarstar4.8 / 5

120 Total Reviews /files//jansen-logo.png815-235-4373$4341 Rolling Hills Lane , Freeport IL

A heating system needs to provide comfort, and in Illinois, reliability is crucial.

Common Heating Issues

  • Heating system is not working properly or won't turn on
  • Can not regulate temperature
  • Certain rooms or offices are too hot or too cold
  • Heated air has odd odor
  • Smell gas or something burning
  • The thermostat is not working properly
  • Odd noises from heater/furnace


Armstrong Air furnaces are reliable and efficient heating systems

Explore Furnaces

Keep your home comfortable this winter with reliable furnaces from Armstrong Air. There are a variety of options available that all provide energy-efficient, cost-effective warmth.

Jansen will keep you comfortable with a properly sized furnace no matter where you live.

Geothermal Heat Pumps

Climate Master Geothermal heat pumps are efficient heating systems

Explore Geothermal

Jansen has the geothermal heat pump that can transform the way you heat and air condition your home. This single system can efficiently warm up and cool down your home with geothermal energy from the earth!

Save money and resources by heating and cooling your home with the earth's unharnessed energy.

Mini Splits

Mitsubishi mini split heat pumps are efficient whole-home solutions to heating and cooling.

Explore Mini Splits

Most homeowners in a cold climate think that in order to stay cool in summer and warm in winter, they’ll have to suffer with high utility bills. Mitsubishi's mini splits can’t control utility prices, but they can control your energy consumption.

Our advanced ductless climate control systems empower you to create your own personalized room-by-room comfort.

Learn More About Mitsubishi

We Offer Services in Freeport, Winnebago, Pecatonica, Lanark, and Lena Illinois

Click below to see the services we offer in your area.