New data recently released from the US Census Bureau in a Single Family Houses Completed report shows the change in the typical home features over the last several decades. Included in the report is data outlining the percentage homes with air conditioning installed by year as well as typical number of bedrooms and bathrooms. Overall, the data shows that new homes have gotten bigger overtime. For homes to be more environmentally sustainable, however, bigger doesn’t always mean better. While many new homes are built with green features, bigger homes require more energy to heat and cool in addition to the need for more materials in construction.

Here is a look at the percentage of homes built with 2, 3 and 4 bedrooms in the 1970’s and the 2000’s:

What does this mean for the push toward greener buildings?

Remodeling put together an interactive look at the data from the report here.