A lot of us don’t spend a lot of time thinking about our windows beyond trying to keep them clean, but the truth is that windows can be a huge help or a huge drain when it comes to heating and cooling the home. The more efficient a home window is at insulating, the more stable the temperature inside the house remains. But if windows are letting in too much light or leaking air they can be a huge drain on your monthly expenses. It costs quite a bit of money to heat and cool a home or business, so…