To determine whether your windows are drafty, try placing a burning candle by the window's edge on a cold day and see if the flame flickers. Although you need to spend money on repairs, it will help save on energy bills in the long run.
Luma Doors + Windows did an amazing job replacing our entrance door, storm door, side door, and 4 windows. Their quality of work is phenomenal, and we love our new doors and windows. They were very friendly, accommodating, and quick...