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