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.
Paul and the team at Longlife were great to deal with. The windows were good quality and the team installing were very accommodating with us through the process and the install looks great!
Its the second time I hired Legacy to replace the windows. We did phase one last year and the results turns out to be great so we decided to replace all the windows of our house. They are very professional...