Weis Comfort Systems, Inc., is a Missouri Heating, Cooling, Plumbing, Air Conditioning, Geothermal Heat Pump, and furnace repair, service, replacement and maintenance Company located in St. Louis County. Weis Comfort Systems, Inc. employs only the best technicians air conditioner repair and, gas or propane (LP) furnace and heater repair as well as your air conditioner installation, furnace, boiler replacement, and ductless mini-split heating and cooling installation. Weis Comfort Systems, Inc. provides emergency service to St. Louis MO, Valley Park MO, Sunset Hills MO, Imperial MO, High Ridge MO, Wildwood MO, Fenton MO, Eureka MO, Ballwin MO, Chesterfield MO, Red Bud IL, Waterloo IL, Prairie du Rocher IL, Fults IL, Columbia IL, Belleville IL, Fairview Heights IL, O'Fallon IL, Freeburg IL, Millstadt IL, Swansea IL, St. Louis County, Monroe County, Northern Randolph County, St. Clair and Jefferson County. To set-up a repair service estimate or replacement estimate, call (636) 343-8440. Weis Comfort Systems, Inc.is an authorized factory dealer of many brands and services all furnace, AC, Groundwater Heat Pump, humidifier, filter and thermostats brands including Lennox, Daikin, Trane, Carrier, Bryant, Payne, Rheem, Ruud, Amana, York, Gibson, Goodman, Heil, Weil McLain, Tempstar, Janitrol, American Standard, Comfortmaker, General, Aprilaire, Honeywell, White Rodgers, Enertech geo and WaterFurnace.