Pella® Window and Door Installation – Expertise You Can Trust You’ve selected your replacement windows or doors. Now comes the second half of the replacement process: installation. Pella’s engineering experts have designed exclusive installation methods that demonstrate their success year after year. Pella professionals have the greatest expertise installing our windows – so when you have a Pella Expert Installer from our Northern Virginia showroom replace your windows or door, you’ll know the job was done right. The Installation: Steps for success 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 help prevent damaging your home’s walls. Our Northern Virginia Pella Showroom installation professionals will properly dispose of your old windows or door at no additional cost. Ensuring a weathertight fit will help thwart air and water from getting in. Pella experts take close 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 prevent the elements from entering your home. Cleaning up is key. Our professionals will check each window for proper installation. Upon finishing, we will clean up the work area, vacuum and demonstrate how to operate and take care of your new Pella windows or door. When you choose replacement by our Northern Virginia Showroom, you’ll experience superior customer service, clean and careful experts and peace of mind knowing that your installation was completed by Pella’s best.