A reader recently asked for advice about whether to operate a humidifier on his furnace, fearing it would lead to mold issues on duct insulation. I told him to use it, but to be vigilant. Bill Kane of ...

Dry winter air can cause more damage to your home than you might expect. If humidity levels are too low, problems like gaping floorboards, peeling wallpaper, and even warped furniture can arise due to ...