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 indoor air isn’t just a winter nuisance — it can affect occupant comfort and health, as well as the home itself. From static shocks and scratchy throats to cracked wood floors and shrinking ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Dry winter air can cause more damage to your home than you might expect. If humidity levels are too low, ...