Monthly Payments to Fit Your Budget At Shrewsbury’s Pella® Showroom, we want to help make your window and door replacement process easy and affordable. That’s why Pella has a selection of product lines to fit most any budget and a payment plan that makes it all work. Our Shrewsbury team will help you choose, install and assist with the financing for your project. GreenSky offers a payment plan in collaboration with Pella, available to our customers Financing options may vary by location. Contact your Shrewsbury Pella Showroom to better understand your financing offer. Pella products must be installed by a Pella professional installer to qualify.