A lot of people don’t think twice about their homes’ windows—as long as you can see through them and get some air and natural light, what’s left to think about? But windows are structural openings after all, and without proper installation and maintenance, they can be a silent enemy of household comfort. No matter how hard your furnace or air conditioner might be working, a compromised window can leave you exposed to the elements—and paying way too much on those energy bills.     Read more…….