Grenz Service Company, LLC, is a Wisconsin WI Heating, Cooling, Air Conditioning, Ductless Mini-Split, Fireplace and Furnace repair, service, replacement and maintenance Company located in Waukesha and Jefferson County. Grenz Service Company, LLC employs only the best technician for air conditioner repair and furnace repair as well as all air conditioner replacement, furnace replacement and boiler replacement in Delafield WI, Wales WI, Waukesha WI, Genesee Depot WI, Nashotah WI, Okauchee WI, Dousman WI, North Prairie WI, Hartland WI, Pewaukee WI, North Lake WI, Oconomowoc WI, Merton WI, Mukwonago WI, Sullivan WI, Sussex WI, Eagle WI, Brookfield WI, New Berlin WI. So when you ask to find "A good heating and air conditioning repair or service company near me," you've come to the right place. To set-up a repair service estimate or replacement estimate, call (262) 646-3880. Grenz Service Company, LLC services all furnace, AC, humidifier, filter, thermostat and water heater brands including Carrier, Bryant, Payne, Trane, Lennox, Rheem, Ruud, Amana, Daikin, Mitsubishi, Fujitsu, Crown, Frigidaire, Gibson, Goodman, Lochinvar, Maytag, Weil McLain, A O Smith, American Standard, General, Aprilaire, Honeywell, White Rodgers.