Installations of replacement windows and doors from Pella of Gaithersburg are done by a Pella® Expert InstallerSM. Under his or her supervision, Pella-certified installers will install your windows or doors for you. They must complete a thorough set of training courses to make sure your windows and doors are appropriately installed and meet Pella’s warranty criteria. You can read more about your no-mess, no-guess installation day here.
Before they can be employed, Pella makes installers to pass a drug test and background check. Our installers are totally backed by liability and workers compensation insurance. Beyond Pella product warranties, your installation is also guaranteed for 10 years under the installation limited warranty and service agreement.