Big +1 to Abe's feedback.
He is 100% right on the differences.
Inserts can be done very effectively with no weak links in the system in a vast majority of the cases. Where it really pays dividends to ... read more
In most homes, the neccesity of new windows does not usually crack the top 3 in terms of energy efficiency improvements.
You can usually get more efficiency mileage and bang for your remodeling dollar ... read more