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 devised exclusive installation methods that verify their success year after year. Pella professionals have the greatest experience installing our windows – so when you have a Pella Expert Installer from our Oklahoma City 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 effectiveness and energy efficiency of your windows. Measuring must be exact to provide a precise fit. Removing your old windows is a job that needs to be done carefully to avoid harming your home’s walls. Our Oklahoma City Pella Showroom expert installers will haul away your old windows or door for free. Ensuring a weathertight fit will help thwart air and water from entering. Pella’s 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 prevent the elements from entering your home. Cleaning up is last but not least. Pella professionals will check each window for proper installation. Upon finishing, we will clean up the work area, vacuum and explain how to operate and take care of your new Pella windows or door. When you choose replacement by our Oklahoma City 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.