Seasonal Headaches…Can Your Furnace Be The Culprit?

Man with a headache on red backdrop.

Not so long ago a customer of mine mentioned she’d get headaches as the weather go colder. As soon as it did, she’d turn her furnace on they would begin. What she thought were just headaches from allergies, was something much more dangerous. It all made sense. There was a crack in her furnace’s heat […]