Installations of replacement windows and doors from Pella of Haverhill are led by a Pella® Expert InstallerSM. Under his or her direction, Pella-certified installers will install your windows or doors for you. They must sit through an extensive set of training courses to ensure your windows and doors are correctly installed and match Pella’s warranty criteria. You can find out more about your no-mess, no-guess installation day here.
Before they can be employed, Pella orders 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 protected for 10 years under the installation limited warranty and service agreement.