Pella Corporation.  Designer Series wood patio doors were used in one of the first single-family home remodeling projects that met LEED standards, the maker says. Triple-pane Low-E insulating glass with argon gas fill helps homeonwers save as much as one-third on heating and cooling bills, and achieves a U-factor as low as 0.26 and a solar heat gain coefficient as low as 0.15. Numerous options, including a range of finish colors and between-the-glass blinds are available. The Designer Series includes a full line of windows in addition to patio doors. 800.374.4758.

Editor’s note: For the rest of 2009, Remodeling will include a Stimulus products section focusing on tax credit–eligible materials. To be eligible for tax credits, windows and doors must have at least a 0.3 U-factor and 0.3 solar heat gain coefficient, and must be placed in service between Feb. 17, 2009 and Dec. 31, 2010. For more information on provisions for windows and doors in the stimulus package, visit