Warm Air Heating System

Exhaust air heat works in the show with, but not in the rooms. I think the change of central heating, but it costs more. one of which is energy efficiency? Hot-air central heating or air.

breath of warm air central heating thought vent. So it could be the same. Would you say warm air from a heater? Are we talking about gas, oil or anything?
In fact, the cheapest to operate would be a geothermal system. They are more expensive to install, but the tax rebate to offset the cost.