Built our house 3 yrs ago and have made numerous c...

Built our house 3 yrs ago and have made numerous complaints to the builder, Viwinco rep and business that sold them. Very drafty windows. Lets the cold air in so much I have to put plastic on them in the winter. Rep from Viwinco says there is nothing they can do about it. We are out in the open and was never told the windows are only rated for 30mph or less winds. Also the screens are so cheap the insects are chewing holes right through them. Would never recommend these windows.