about us

McNally's Heating and Cooling is an award-winning provider serving the heating, air conditioning, maintenance, installation, repair, air purifying and emergency service needs of our communities. We are committed to exceeding the expectations of our customers and are happy to be the go-to resource for HVAC and HVAC repair in Wheaton and Winfield and throughout DuPage and Kane County. Our exceptional customer service is reflected in hundreds of five-star Google reviews. McNally's HVAC is a distinguished service provider renowned for catering to the heating, ventilation, and air conditioning requirements of our service areas. Our expertise spans maintenance, installation, repair, air purification, and prompt emergency services. McNally's has won the ''Best of the Fox'' award in Kane County for the past four years.