12.00 12.00 Our Heating and Cooling company services the Appleton & Green Bay areas. We have earned a reputation of dependability when it comes to HVAC, heating & air conditioning service. Call our experts today!   We are open Monday to Thusday 7:00 am - 5:00 pm Friday 7:00 am - 4:00 pm Saturday &  Closed (24-hour Emergency Service is always available)