Find the best solutions to your problems with the help of IDNLearn.com. Find reliable solutions to your questions quickly and easily with help from our experienced experts.

Ayesha and Fataah just purchased a new home in which 85 percent of the total window area in the house faces south, there is heavy insulation, and sunshine enters in during the winter but stays out during the summer. Ayesha and Fataah bought a __________.
a) solar envelope
b) greenhouse
c) passive house
d) resource recovery plant