InsulationA great way to cut down on your energy bills is to increase the R-value of your home. Kirchner Siding and Window can add cellulose insulation, made of 85% recycled paper, to your home before we put on your siding. It’s good for the environment, and good for your budget! Our installers are Building Performance Institute (BPI) certified installers, allowing you to take advantage of potential rebates. We do pre and post blower door testing to ensure maximum energy efficiency. We also offer Home Energy Efficiency Recommendations prior to starting the work on your home to ensure energy efficiency.