Oasis Heating & Air Conditioning LLC is a trusted HVAC contractor serving Milwaukee County, Ozaukee County, Waukesha County, Washington County, and all surrounding areas. Based in Milwaukee, we provide expert repair, service, and replacement for air conditioners, furnaces, boilers, water heaters, and heat pumps. Our team ensures reliable comfort year-round with solutions built for efficiency and performance. We serve homes and businesses across Southeast Wisconsin, including major communities such as Milwaukee, Mequon, Brookfield, Shorewood, Wauwatosa, West Allis, Greenfield, Franklin, Cedarburg, Grafton, Thiensville, Menomonee Falls, Germantown, West Bend, and more. Choose Oasis for dependable HVAC services anywhere in the region.