今天的建筑采暖主要采用锅炉、散热器以及以石油和天然气为燃料的采暖炉；这些都需要由通过电力采暖的建筑来取代。
Today’s buildings are heated mostly by boilers, radiators, and furnaces fueled by heating oil and natural gas; these need to be replaced by buildings heated by electricity.