HVAC Problems? Harker is here

Don’t wait when you have heating and cooling
problems on your hand. Call the experienced
HVAC contractors at Harker.

Harker Heating & Cooling is proud to be Dane County’s leading HVAC services provider. For more than 70 years, Harker’s heating and cooling technicians have been faced with nearly every furnace, boiler, A/C unit or water heater breakdown imaginable. When your home heating and cooling systems are on the fritz, you need to call an HVAC contractor with experience.

With our wide range of heating, cooling, indoor air quality, water heater, and fireplace repair and replacement offerings, Harker is here to help you find the best solution for improving the comfort in your home. We invite you to review our service areas to learn more about our HVAC options or visit our showroom to see our vast heating and cooling solutions for yourself. So, come on in! Our team of friendly HVAC specialists will be right there to answer any of your questions and guide you through the selection process.




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 signs it is time to have your heating system serviced.

Harker Heating Cooling


Can your air conditioner keep up with the heat of summer? If your A/C unit is showing signs of wear — such strange noises, condensation, and poor airflow — it may be time to repair or replace your A/C.

Harker Heating Cooling

Indoor Air Quality

Did you know that people spend nearly 90% of their time indoors? When it comes to your family’s well being, your home should be a worry-free zone. Our team of IAQ specialists will help you find the right technology to monitor and improve your air quality.


Water Heaters

At Harker, we can help you diagnose hot water heater problems and provide a wide variety of solutions fit for your home, including gas and electric water heater models, and tankless options.


Emergency HVAC Services

Dealing with an HVAC emergency? Call (608) 480-6786. Harker’s specialists are available 24/7 to assist you with all of your heating and cooling needs.

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