Valley Sash & Door is based in the San Fernando Valley & Serving Los Angeles area Since 1946. Valley Sash and Door offers National and Local Brands from the Commercial Contractors to the Handyman. whether it's replacement windows or doors, remodeling or new construction applications we can help We Offer made-to-order clad wood windows and doors, replacement windows, and custom wood entry doors. Energy Tax Credit up to $1,500 Now Available! The recently passed Economic Stimulus package (the American Recovery and Reinvestment Act of 2009) includes federal tax credits that encourage homeowners to make energy efficient improvements to their homes. Replacing windows and doors with energy efficient qualified products for this tax credit!