In first place as the most efficient electric heater is the lasko 5409 ceramic portable space heater a small but powerful heater that will do well in almost any room size the lasko 5409 small space heater offers the ideal combination of affordability convenient size functional heating capacity and overall durability.
Fuel efficient room heaters.
The heat output of space heaters varies widely typically between 10 000 and 40 000 british thermal units btus per hour and higher heat output comes at the cost of higher energy usage.
Space heater capacities generally range between 10 000 btu and 40 000 btu per hour and commonly run on electricity propane natural gas and kerosene see wood and pellet heating for information on wood and pellet stoves.
If you need to boost your heating an energy efficient heater can help.
Although most space heaters work by convection the circulation of air in a room some rely on radiant heating.
As seen above in our efficient space heater reviews it is quite obvious that we get to select among a plethora of units powered in various ways some feature liquid fuel others are all about electricity and then we also have those with oil in them and the ones with a flame tube.