In an effort to make your new home as green and energy efficient as possible, you are examining ways to save energy. Look up at your roof. The roof is exposed to the hot sun in summer and is also where most heat escapes in the winter. Take this quiz to test your knowledge about energy-efficient roofing choices.
What percentage of utility costs goes to heating and cooling an average home?
about 60 percent
about 50 percent
about 40 percent
What is your home's first and best defense against outside environmental extremes?
high quality windows and doors
evergreen hedges and trees that block sun and wind
an energy-efficient roof
What property does the most energy-efficient roofing material have?
high solar reflectance
low solar absorbance
a high R-value
By what percentage can reflective roofs reduce their surface temperature as compared to a traditional roof?
What is another property you should look for when choosing a roofing material?
What is the next important consideration after roofing materials choice, which will increase the energy efficiency of your home?
increased insulation R-value
increased under roof ventilation
high R-value windows
What is a good energy saving step that you can take if you have a flat roof on your home?
You can retrofit to a peaked roof for greater energy efficiency.
You can add a top coat of high heat reflective aluminum sheeting.
You can turn it into a rooftop garden that saves energy and helps the planet.
By how many degrees can roofing materials that carry the Energy Star label reduce roof surface temperatures?
120 degrees Fahrenheit or 49 degrees Celsius
100 degrees Fahrenheit or 38 degrees Celsius
75 degrees Fahrenheit or 24 degrees Celsius
By how many degrees can a quality light-colored roof coating decrease the surface temperatures of an existing roof?
80 to 100 degrees Fahrenheit
75 to 90 degrees Fahrenheit
50 to 80 degrees Fahrenheit
Which roofing material tends to be more energy efficient than most in all climates?