Fast, reliable HVAC system service

Contact Us Today  (608) 478-8991

Contact Us Today (608) 478-8991

With 24/7 HVAC technician services available in Madison, WI, Harker Heating and Cooling is ready to install, maintain and repair your home’s heating and cooling systems.

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Over 70 years of
home heating & cooling experience

Harker Heating & Cooling Inc. has provided high-quality heating and cooling services to residents of Dane County since 1949. Our dedicated staff of HVAC specialists is available to handle any emergency, installation or repair 24/7, 365 days a year. Count on Harker to get the job done right.

An HVAC service
contractor with
values and integrity

We believe everybody should feel comfortable in their home. In Wisconsin where the weather can swing from one extreme to another, you want to be able to rely on your HVAC systems to function at optimal levels. When it comes to repairing or replacing your furnace, air conditioner, fireplace, or water heater, you can rest assured that Harker’s team of HVAC contractors will provide an honest assessment of the problem, and provide you with the most affordable solution.

Furnace and A/C unit
breakdowns are frustrating

That’s why we make it fast and easy to request an in-home estimate. Once you request a service, our team will arrive ready to perform repairs or replacements on-time and on-schedule. Don’t waste your time with dodgy HVAC contractors. Trust our reliable, efficient HVAC experts to get the job done.

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What Our Happy Customers Are Saying

Timothy did an excellent job installing the new air conditioner.
Mary McC
1 day ago
Tyler came for a maintenance appointment. He was great! Very courteous and clearly explained what he would be doing what the issues were. Thank you!
Mark came and fixed it and showed me what had not worked but didn’t try to sell me on replacing the part that had got stuck. I now know how to fix it if need be and I’d call Harker again if I have a similar in the future. Mark is knowledgeable, neat and friendly. Not sure when Mark came out but this time Jason was also knowledgeable neat and friendly. He found the same part to not be working creating the squealing sound that led to today’s call. Paid for the trip and minor diagnostics. Seemed necessary and now we are waiting for the replacement part. Wish Mark had sold me on replacing the part. Jason ordered the part and left the duct open to the 2nd floor thus stopping the noise until the part arrives. Paid another 200 to 300 like last time. Still happy with Harker.
Paul King
2 days ago
AC wasn't working, was able to schedule an appointment online. Technician showed up on time, we went thru the issue, and he started troubleshooting. Found the problem, went thru the cost of the repair, I agreed to proceed, and AC was fixed an hour later. Thank you for a great experience
Leigh Becker
2 days ago
Scheduling was quick and Mark did a great job solving my problem. Fast, efficient, and a pleasure to have in my home.
My air conditioning system wasn’t working properly, like hardly at all. Tyler came out and assessed the problem initially expecting the bill to be about $600. He was able to solve the problem in a different fashion than he initially thought would be necessary, and the price went down to $400. I am very pleased with Ty’s work and with the efforts that he made to solve the problem without costing me a lot of money.
Keith Thomsen
3 days ago
Timely, neat and efficient. Personable tech!
Mason Chase
3 days ago
Jeff Smith
3 days ago
Super friendly, prompt, professional, and knowledgeable. Great experience!

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