Call for reliable Furnace replacement in Delafield  WI.
Trust your Furnace installation or replacement in Delafield  WI to a American Standard Customer Care Dealer.
250 West Main St. • Delafield, WI 53018
Grenz Service Company, LLC has certified technicians to take care of your Furnace installation near Pewaukee WI.
See what makes Grenz Service Company, LLC your number one choice for Furnace repair in Oconomowoc WI.

Commercial Refrigeration

Commercial Refrigeration

We provide service and warranty repairs for most makes and models.

The operation of your refrigeration system depends on first-class maintenance. Grenz Service Company is ready to respond quickly to your commercial refrigeration concerns because we understand how important it is to run your business.

System Design

If you require a new installation or remodel, we can help you determine the specific needs and recommend the best type of equipment and ice machines to meet the demands of your growing business.


Our service and installation divisions include courteous and professional technicians trained to serve the diverse needs of our business customers. Whether it’s a small custom project or a large commercial venture, our highly skilled staff provides quality work efficiently and economically.


Our technicians are experts in all types of equipment from Walk-In Freezers and Coolers, Reach-Ins, Prep Tables, Glass Chillers, Back Bars and Ice Machines. We can provide excellent customer service and equipment maintenance. Our technicians are also kept up-to-date on the latest specifications involving new and updated refrigeration technology and systems.

We are Factory Service Representatives for:

Trust your home comfort to us for your next Furnace in Oconomowoc WI
Grenz Service Company, LLC has certified technicians to take care of your Furnace installation near Pewaukee WI.
Contact Information
Contact Information
We offer technical excellence along with a promise of integrity and knowledgeable workmanship to all of our customers in the Waukesha and Jefferson County since 1987.
250 West Main St. • Delafield, WI 53018
(262) 646-3880
(262) 646-4764
Monday - Friday  |  8:00am - 5:00pm
Get in Touch
Do you have a last minute emergency? Is it time to complete that new installation? We are here to help guide you every step of the way!
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24 Hour Emergency Service Available • 7 Days a Week

For the best Furnace replacement in Oconomowoc WI, choose a BBB rated company.
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