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.
Comfort Windows & Doors crew were very friendly. The install team were punctual, professional and took great care to minimize any scratches during replacement. I am very happy with the entire process.
We went with 2 windows upgrade (double glass) crank style and super happy with the end result. No more windows glass fogging up during cold freezing day and no more drafting at night. We also notice less noise coming through...