Pella® Window and Door Installation – Expertise You Can Trust You’ve selected your replacement windows or doors. Now comes the second part of the process: installation. Pella’s engineering experts have created exclusive installation methods that verify their success year after year. Pella professionals have the most experience installing Pella windows – so when you have a Pella Expert Installer from our Hanover showroom replace your windows or door, you’ll know the job was done right. The Installation: Our process Correctly measuring your openings is critical to the operational success and energy efficiency of your windows. Measuring must be exact to ensure a precise fit. Removing your old windows is a task that needs to be done delicately to avoid damaging your home’s walls. Our Hanover Pella Showroom installers will properly dispose of your old windows or door at no additional cost. Ensuring a weathertight fit will prevent air and water from getting in. Pella experts take extra care to ensure your window or door is level and square in the opening. We’ll also install insulation between your window or door and the wall and will seal the product to the wall to minimize the amount of air and water that is able to enter your home. Cleaning up is the final step. We will check each window for proper installation. Upon finishing, our installers will clean up the work area, vacuum and explain how to operate and take care of your new Pella windows or door. When you opt for replacement by our Hanover Showroom, you’ll experience excellent customer service, clean and careful installers and peace of mind knowing that your installation was completed by the best.