Do your feet get cold on your upstairs floor in the winter? Does the downstairs roast while the upstairs chills? Are there big vaulted ceilings that restrict air movement? You’ve probably checked the furnace filter, but did you (or a professional) check the ducting for leaks, obstructions, proper sizing and number? Are your ceiling fans set for winter circulation? Is the insulation sufficient? All of these are factors are common heating issues in modern two-story homes. Here are some good suggestions from eHow for how to improve second-floor heating. If you continue to have problems after you’ve done all the common-sense things within your abilities, we suggest you find a qualified professional to check the system.