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.

Heating & Cooling

Heating & Cooling

Call us for Furnace repair Oconomowoc WI.
Heating & Cooling
REPAIR • REPLACEMENT • MAINTENANCE
 

Call Grenz Service Company, LLC for furnace repair and replacements, professional ventilation problems, heat pump and boiler repair or furnace cleaning and seasonal safety inspections. We are your complete Home Air Comfort Specialists.

Have a heating emergency on the weekend? We provide 24 Hour Emergency Service when you need it.

Call the HVAC Specialists, Grenz Service Company, LLC today for high efficiency furnace installations that will keep you and your family in low cost, eco-friendly comfort all year!

Heating and Air Conditioning Services

  • gas/gas line repair/ reroute/ hookup
  • water heater service repair and installation
  • furnace repair
  • air conditioner repair
  • furnace service and cleaning
  • air conditioner service and cleaning
  • high efficiency furnace and ac installation
  • heat pumps
  • compressor repair
  • condensate drain lines
  • boilers
  • indoor air quality
  • gas fireplace and repair
  • coil and duct sanitation
  • air purification/ sterilization
  • ask about our hvac maintenance agreement
  • home protection- smoke alarms, co detector, whole house surge protector
  • duct repair/ reroute/ modification
  • whole house humidifier
  • whole house dehumidifier
  • wifi / smartphone thermostats
  • residential zoning systems
  • home automation
  • ductless solutions
  • ductless mini-split systems
  • electric
  • natural gas
  • liquid propane (LP)
  • thermostat service
  • filter replacement
 
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!
Schedule Service
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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.
Check out our Furnace service reviews in Delafield  WI on angies list