We were on a mission last night to find blinds for the home and to get tips on making the windows more energy-efficient.
Our stops included Sears and Home Depot. The staff pointed us towards cellular honeycomb blinds which maximizes energy efficiency and insulates the home fairly well. They come in single, double and triple cell arrangements which provide different levels of insulation and light transmission. Chelsea at Home Depot indicated that depending on the supplier, installation times can range from 12 to 19 days. Both places offer free in-home consultation though. I think we are definately leaning towards these shades.
Other options include bamboo roll-up blinds (as a easily renewable resource) and Home Depot also has energy film that has 99% UV Rejection, 85% Light Transmission, 65% Solar Heat Rejection. It can help you save up to 12-18% of annual energy costs but they are recommended for single pane windows.
The reviews have been good: "This film keeps out drafts and conserves heat in winter, to save money and conserve energy."