Maple Valley Heating And Cooling offers quality heating & AC repair services to Maple Valley, WA including commercial and residential installation, repair and more! Protech Heating And Cooling Maple Valley has been providing reliable heating & AC repair services. Air conditioner service and repairs, with licensed and certified experts. Protech Heating And Cooling Maple Valley specializes in residential, commercial and industrial AC repair. We are located in Maple Valley and service all surrounding areas including.