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For more information, visit ENERGY STAR Home Sealing
For more information visit ENERGY STAR Home Sealing
View the DOE's Insulation Fact Sheet
The recommended level for most attics is to insulate to R-38 (or about 12 -15 inches, depending on the insulation type). R-Value is a measure of the insulation’s ability to resist heat flow. The higher the R-Value, the better the thermal performance.
Even if you have plenty of insulation, it may not be performing well due to cold air leaking through the insulation into the house. So make sure to look for signs of air leaks and seal them up as you find them. (source: ENERGYSTAR.gov)
For more information visit ENERGYSTAR Home Sealing
To take full advantage of the energy savings and long life of CFLs, it is best to use them in light fixtures you use the most and are on for at least 15 minutes at a time. Good locations include outdoor light fixtures, indoor fixtures in the living room, family room, kitchen, bedroom, recreation room, etc. This is not to say you should leave your lights on all day if you use CFLs. It is still a good habit to turn the lights off when you leave the room for an extended period of time. (source: ENERGYSTAR.gov)
In 1992 the EPA introduced ENERGY STAR as a voluntary labeling program designed to identify and promote energy-efficient products to reduce greenhouse gas emissions. Computers and monitors were the first labeled products. The ENERGY STAR label is now on over 60 product categories including major appliances, office equipment, lighting, and home electronics. EPA has also extended the label to cover new homes and commercial and industrial buildings. (source: ENERGYSTAR.gov)
If your concern is comfort, or having to wait for your house to heat up or cool down after you get home, invest in a programmable thermostat – it can begin to heat or cool your home 30-60 minutes before you get home, so the temperature is just right when you arrive. (source: ENERGYSTAR.gov)