Pella Corporation is an innovative leader in creating a better view for homes and businesses by designing, testing, manufacturing and installing quality windows and doors for new construction, remodeling and replacement applications. Pella is known for its 84-year history of innovation, making outstanding products, providing quality service and delivering on customer satisfaction. As an industry leader in manufacturing quality windows and doors, Pella is dedicated to responsibly using resources and safeguarding the environment. We take a comprehensive approach to environmental stewardship, including:

Recycling — Pella’s process minimizes our use of nonrenewable resources.
Responsible Procurement — Pella uses sustainable sources and works with wood vendors who practice responsible harvest and replenishment.
Pollution Minimization — In 2006, the EPA recognized Pella with its Pollution Prevention for Environmental Excellence Program honorable mention award for our responsible manufacturing processes.
Reducing Energy Consumption — Pella offers the windows and doors rated #1 for energy efficiency among top national brands. 

http://www.pella.com/ 

http://www.pelladirect.com/