Upgrading the energy efficiency of a building can be a major investment. Before making any decisions, it’s important to thoroughly research your options. Sometimes the more affordable ones can yield a greater ROI. That’s why it’s prudent to consider the expected retu
November 2014 was the coldest November in nearly 15 years in the US and served as a chilly reminder that no area is safe from frigid temperatures: all 50 US states fell below the freezing mark; Buffalo, NY was buried in more than 65 inches of lake effect snow; and parts of Montana exp