The energy source with the highest net energy ratio for space heating is

Question

Quizplus · Accepted Answer

Passive solar heating has the highest net energy ratio for space heating because it uses the sun's energy directly to heat the space without the need for conversion to another form of energy. This can result in a net energy ratio greater than one, meaning that the energy gained from the system is greater than the energy input required to build and operate it. In contrast, active solar, oil, electric resistance heating, and wind all require additional energy inputs for conversion or generation, resulting in lower net energy ratios for space heating.

The Energy Source with the Highest Net Energy Ratio for Space