Keep your home comfortable with quality efficient heating systems

Furnace Trouble?

Is your furnace running but blowing out cold air? Is it cycling more frequently? Have you noticed an increase in your heating bills over the past few months?

These are all warning signs of an impending furnace breakdown.

Dane County’s Honest Heating Contractor

Don’t Wait After A Furnace Breakdown

Call Harker - Madison’s Honest Heating Company

Wisconsin’s winters can be brutal. So, when your furnace breaks down in the middle of a cold snap, it’s more than a frustrating inconvenience — it’s a potentially dangerous situation that could put your family’s health and wellbeing at risk. You need a high-efficiency furnace system built to last. Harker provides emergency heating repair and installation services, as well as routine maintenance to help keep your furnace running better, longer.

Not only will we take care of your furnace, but we’ll also take care of your heating elements, including boilers, heat pumps, geothermal, and ductless split units. Most importantly, Harker’s team of dedicated HVAC specialists will take care of YOU. Get started with a free service estimate.

Call for Service or a quote

Our Heating Services

Looking to learn more about repairing or replacing your furnace, boiler or water heater? Check out the Harker blog to learn how to change your furnace filter, save energy or when to replace your furnace.


Home furnace installation and repair.


Boiler repair and replacement for both gas or oil-fired systems

Heat Pumps | Heating

Efficiently manage the ever-changing Wisconsin weather with a heat pump to heat your home.

Electric Fireplaces

Warm any room in your home with a cozy fire with the latest electric fireplaces.

Radiant Floor Heat

Radiant floor heating systems distribute heat evenly in a room creating a comfortable environment.

Garage Heaters

Create the perfect work space with a hanging garage heater unit.

Mitsubishi Heating/Cooling

Harker offers Mitsubishi Ductless split systems for whole home heating.

We are your Nest Elite Pro

Bring smart home technology to heat your home with Nest learning thermostat.

Furnace Maintenance

Improve the efficiency and longevity of your heating system with Harker’s Clean & Check Furnace Maintenance system.

Boiler Maintenance

Keep your boiler heating system running smoothly with regular maintenance.

Air Duct Cleaning

Improve the air quality of your home with thorough cleaning of your forced air ducts.

Heating Advice & Tips

Keep your heating system running at its best with these heating tips.

Learn More About Furnace Maintenance

Heating Blog

Be sure to check your filter!

How can we help you?
How can we help you?