Put yourself in this situation. It is the dead of winter in Chicago, and you are upstairs in the computer room of your home surfing the web, paying bills, and getting some shopping done. You feel a chill, and decide to go check the temperature on the thermostat downstairs in the living room. You normally set the thermostat at 76 degrees, and at this moment it is reading 77. There isn’t any heat coming out of the vents because the temperature hasn’t dropped low enough for the furnace to kick on. But, why is it so chilly upstairs? There isn’t a mechanical problem with the furnace; you have temperature swings.
What are Temperature Swings?
Temperature swings are common in homes that use forced air heating systems. They involve uncomfortable changes in temperature between floors and rooms in a home. This is usually caused by the way that typical single stage heating systems function. When the temperature read by the thermostat drops below what is set, the furnace will fire up at full capacity. Within a matter of minutes the temperature on the thermostat goes back up and the furnace shuts down. The problem is that these short blasts of hot air aren’t enough to heat areas of the home that are further away from the thermostat. You need a two-stage furnace! (more…)