The quality of the installation is just as important as the window itself. Poor installation can lead to air leaks, water damage, and a voided warranty.
Ensure they carry both liability insurance (to protect your property) and workers' compensation (to protect you from injury claims). How Much Does It Cost to Replace Windows in 2026? - Cobex questions to ask when buying windows
The new window fits inside your existing frame. It’s cheaper but reduces your glass viewing area. The quality of the installation is just as