Single-Family Home Retrofit Basics There are a number of ways to
make older single-family homes more energy efficient and more
healthy, that is, more green. Take the test and earn 0.5 CE unit
per article. Single-family homes often need a lot of help.
According to the U.S. Census Bureau’s 2005 American Housing
Survey, there were 77,703,000 single-family detached homes in
the United States in 2005. The median age of all housing back in
2005 was 1973 vintage. The majority of single-family homes in
the United States are older and they are often in need of a
little help. There are many ways to make each of them more
energy efficient and oftentimes more healthy, that is, more
green. This article will discuss many of the options available
for retrofitting homes. Not all of these will be viable for each
home. Nor will they all be good options in every climate. There
are a couple of things we need to remember as we look at
retrofitting single-family homes. Heat moves from hot to cold.
Air moves from areas of greater p