Pella® Window and Door Installation – Expertise You Can Trust You’ve chosen your replacement windows or doors. Now comes the second half of the process: installation. Pella’s engineering experts have created exclusive installation methods that prove their success year after year. Pella professionals have the most experience installing your new windows – so when you have a Pella Expert Installer from our Long Island showroom replace your windows or door, you’ll know you have the best person on the job. The Installation: What to expect Properly measuring your openings is critical to the operational effectiveness and energy efficiency of your windows. Measuring must be exact to provide a precise fit. Removing your old windows is a task that needs to be done properly to avoid harming your home’s walls. Our Long Island 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 entering. 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 secure 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, they’ll 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 Long Island Showroom, you’ll experience superior customer service, clean and careful professionals and peace of mind knowing that your installation was completed by Pella’s best.