Cold air coming out of the furnace is an obvious sign that something is wrong. But an even bigger problem is heat that coming out at as milder than it is supposed to. When your furnace is having trouble working the right way, it will use more energy to work harder so it can blow out the proper amount of air at the right temperature. If you are having trouble with your furnace and need professional furnace repair near Wayne, contact Blue Frost Heating & Cooling or visit our website at https://www.bluefrosthvac.com/heater-service/heating-furnace-repair/