Special Offers

Grenz Service Co. Current Offers

10% OFF
Any Heating or AC Repair Service
For First Time Customers
*Excludes fireplace repairs. Mention this coupon.
Cannot be combined with any other offer.
$150 OFF
Any New Furnace or AC
System Installation
*Mention This Coupon. Valid on select equipment. Cannot be combined with any other offer.
$250 OFF
Full Heating and Cooling
System Installation
*Mention This Coupon. Valid on select equipment. Cannot be combined with any other offer.
Grenz Service Company, LLC
250 West Main St.
Delafield, WI 53018
Monday - Friday: 8AM - 5:00 PM
24 Hour Emergency Service Available
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For Furnace repair in Delafield WI, we accept most major credit cards.