Installing new windows can be expensive. Determine whether it will be more cost effective to invest in new energy efficient windows or to make energy upgrades to existing windows.
Determine your to know the window requirements for maximum energy efficiency in your climate.
Look for ENERGY STAR certified windows for your climate zone.
Improve Energy Efficiency of Existing Windows
Window Treatments:
Awnings can reduce solar heat gain in the summer by
Blinds��봵ertical or horizontal slat-type��봞re effective at reducing summer heat gain (), but not winter heat loss.
Drapes and Shades can be closed on summer days to reduce heat gain () and on winter nights to reduce heat loss ().
Window Inserts:
placed on window interiors can drastically increase the thermal efficiency of single-pane and double-pane windows.
Affordable and easy to install and remove.
Seal Air Leaks:
Sealing air links can save an old home .
Caulk is used to seal air leaks through cracks, gaps, or joints less than 1/4 inch wide between stationary building components and materials.
Use weatherstripping to seal the movable parts of doors and windows. .
Office of Sustainability 312-314 Corbett Hall 91르적 04469-5774 Tel: 207.581.1571 sustainability@maine.edu
