In the Waukesha and Jefferson County, Grenz Service Company, LLC is well known for providing exceptional furnace repair, installation, and service. The people we send out to serve you are also top notch, something you'll see in their reviews below. Everyone you deal with at our company has the goal of making sure your experience with us will be so good you'll call us every time you need help. You can feel confident working with Grenz Service Company, LLC because we stand behind our work and comply with all local codes. This is why, as you can see by the map and reviews below, we are rated so highly for Furnace and Air Conditioning Repair in Hartland, WI in Delafield WI. Call us today at (262) 646-3880!
My motor went out on my fireplace. I called Grenz and they got back to me within 2 days and serviced and replaced the motor 1 day later. I would highly recommend them .
With fall weather fast approaching, I was able to get inspections scheduled very quickly for my furnace and gas fireplace. Jim was so friendly and helpful. I like being able to have one company to call for furnace, AC and fireplace service.
I own four retail stores, and Grenz has been doing our repairs for at least the last five years! Very prompt and dependable to get your equipment running! Highly recommend!
Returned phone call, they were able to diagnose problem and fix the same day. Was a tough job that they found a way to handle. My new cooler company!!
Good Company......friendly,professional people.....knowledgeable in their products.
Very fair price, install was very professional. I purchased a new HVAC system, largely based on their reputation
Jim Jr is a very personable and highly qualified technician. We will call him from now on!
Great service, very knowledgeable and reliable. Jim not only solved the problem with my ice maker but he also walked through preventative maintenance recommendations.
Wine cellar repair
American Standard Heating Maintenance
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