You Can Install Windows in a Home in One Dayīecause windows only take 30 minutes to install as long as there is minimal extra work to be done and they are all at ground level, it is likely that you can have your entire home finished in a single day. Trim trees or remove trees in front of the windows.Remove debris and brush that may make access to the windows difficult.How to make the window installation as fast as possible: Hiring cheap or inexperienced window installation companies.Removing debris that will hinder access to the window.Vinyl-sided homes with old window frames, sills, and jambs that are damaged or rotted, will need exterior siding work too.Things that can affect the length of the window installation process: How long it takes to install replacement windows in a home depends on many things, but a quick job will take about 30 minutes per window. See our benefits of new replacement windows page for more details. If you have been researching windows, window types, and window companies to install replacement windows in Seattle, then you are likely aware of the benefits of new windows.Īt a basic glance, the benefits of installing new windows in your Seattle home: In this article is how long it takes to install