Monthly Payments to Fit Your Budget At South Portland’s Pella® Showroom, our team wants to help make your window and door replacement process easy and affordable. That’s why Pella has multiple product lines to fit almost any budget and a payment plan that makes it all work. Our South Portland team will help you select, install and help set up the financing for your project. GreenSky has a payment plan in partnership with Pella, available to our customers Financing options may vary by state. Contact your South Portland Pella Showroom to better understand your financing plan. Pella products must be installed by a Pella professional installer to qualify.