The main types include: Double-hung windows: For a classic look to your house, these windows are the best. Single-hung windows: These are similar to double-hung windows but come with an operable lower sash. Sliding windows: These are equipped with one or more panels, which can be moved horizontally upside and lower side.

On average, the procedure of window replacement can cost around $175 to $700 per window. For high-end windows, the cost is anywhere between $800 and $1,200. The installation cost can vary and can depend on a lot of factors, such as the company you hire for the service.

The entire process of window replacement should take about 3 to 4 days. This includes a day or two of prior preparation that involves planning, measurements, and purchasing of materials. This is followed by the actual installation that may take a day or two. Finally, one more day at the end is required for a complete inspection of the work done.

Some of the best brands are:Andersen WindowsPella WindowsMilgard WindowsAlside WindowsSimonton WindowsHarvey WindowsLoewen WindowsPly Gem WindowsAlso, make sure to get a good warranty for your purchase. This will be a wise decision in the long run.