Heater Repair in Waukesha
NATE-Certified Furnace Repair with Owner Accountability on Every Call
When a heater fails during a Wisconsin winter, the temperature inside a Waukesha home can drop to unsafe levels within hours. Genesee Heating & Air Conditioning, LLC has served Waukesha County since 2013 as a family-owned business built around one principle: find the real problem, explain it clearly, and fix it correctly the first time. Our NATE-certified technicians bring over 25 years of combined industry experience to every service call, and our owner is personally involved in daily operations so there’s direct accountability on every job.
NATE certification (North American Technician Excellence) is the heating and cooling industry’s independent credentialing standard. It confirms that our technicians have demonstrated verified knowledge of how heating systems work, not just field familiarity. That distinction matters when accurate diagnosis is what separates a single visit from a recurring problem.
Your heat can’t wait. Call (262) 951-0335 or reach us online to schedule heater repair throughout Waukesha and Waukesha County.
Professional Furnace Repair for Waukesha Homes
Our heater repair process starts with a root-cause inspection, not a surface-level check. A furnace that’s short cycling, turning on and off rapidly without reaching the set temperature, may have a different underlying cause than one that runs continuously without producing adequate heat. Our technicians work through both scenarios methodically to identify what’s actually failing before recommending any repair.
Once we’ve identified the issue, we explain it in plain language so you understand exactly what needs to happen and why. You decide whether to move forward. We don’t push upgrades or replacements you don’t need, and we provide an upfront quote before any work begins so there are no billing surprises. Our service trucks arrive fully stocked with common parts, which means we aim to resolve most repairs in a single visit and help restore your heat sooner.
Every visit follows the same standard: shoe covers on, work area cleaned before we leave, and a satisfaction guarantee backing everything we do.
Quality You Can Count On
Don't Take Our Word for It. Take Theirs.
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100% Happy With the Whole Process
“Ross, Tom and Brandon were friendly and easy to work with and I appreciate that they took the time to walk me through the details of the features with our new system. Everything works great, looks great and the install was smooth and efficient.”- Satisfied Customer -
Cares About the Quality of Their Service and Is Respectful of Your Time
“Over the years, I have used a several of the HVAC companies in the area. Genesee Heating & AC was hands down my best experience.”- Lindsay S. -
It’s Always Been a Pleasure Working with These Guys
“They answered and took care of all my questions and concerns. I’ve had this company do some things for me in the past, so when it came time to replace my AC unit, I didn’t have any hesitation on who I wanted to do it.”- Jordan R. -
Genesee HVAC Is Awesome
“We have an INSANELY complex commercial hvac system at two locations, and we switched vendors to go with Genesee over a year ago. They came in, figured out the system, and we've been with them ever since.”- Satisfied Customer -
Great Experience
“I had a great experience with Genesee Heating and Cooling! Aiden came out to work on my AC and was extremely knowledgeable, professional, and helpful. He took the time to explain everything to me in a way that was easy to understand.”- Crystal E. -
They Exceeded My Expectations!
“I would highly recommend using them! We got a new central air conditioner unit put in. They were very friendly, responsive to our needs and on time.”- Christina J. -
They Will Be Getting All My Business From Now On
“I highly suggest them. I saw the other reviews and wondered if this guy could really be as good and as nice as other people made him out to be...yep it's all true.”- Satisfied Customer -
These Guys Rock!
“How refreshing to have work performed respectfully, quickly, efficiently, professionally, and I'd like to add, with a friendly demeanor!”- Dale S. -
Highly Recommend
“Very professional group of technicians. On time and they work well together. Pricing was very reasonable as well. Highly recommend using in future projects.”- David