One may be perplexed if there are still chilly places in the residence after guaranteeing the thermostat and furnace are in adequate working order. The cooler climate in a few areas could be caused by an issue with the air ducts. Air ducts control the stream of air to different spots in the residence. The initial thing to examine is the dampers. If the dampers are not opened all the way, not enough warm air will be able to travel through the duct to heat the area. If the dampers are open completely, there is likely a gap or leak somewhere in the ductwork. This is more challenging to repair or locate based on on the property. Leaking ducts are a serious issue since they can run up ones energy bill and suck in dirt and debris might contribute to bad air quality. To get more info about air duct issues, check out this website.