One can use an energy efficient heater to save on gas and electric bills, one can also wear warm clothing like sweaters and socks to help minimise the need for heating.
The most energy efficient radiator heater is the oil filled one. A better option would be an electrical one because those are almost 100% energy efficient.
Any heater that has the Energy Star label will be very energy efficient. The Honeywell eco line, for instance, are very energy efficient.
The question is better defined as "What the most energy efficient portable heater?" Because one would assume that you will want to be able to take the heater with you when or if you move.
One of the most energy efficient water heating methods is the heat pump water heater. This method is proven to be two times more efficient over the standard electric water heater.
Energy efficient space heaters can be found and purchased at Amazon, eBay, Walmart, Overstock, Kmart, Kohl's, and Meijer. An energy efficient space heater can be helpful in lowering heating costs in the winter.
The electric heater is more friendly since coming out with energy efficient heaters.The gas pollutes the air. anonymous@oola.com
Valco Infrared heater can be used as a space heater. The can save you lots of money on energy costs.
An electric heater ( the only known 100% efficient device ).
We do not have a need for a space heater so I have not used one in the past. I would not use kerosene but I would use electric if necessary. Dyson has one that is pretty cool looking.
A large energy saving one. It will keep lots of hot water and will use less energy when not in use.
Home Depot is probably the best place to find one. They sell space heaters that are being sold online for half the price or less of the websites. They have a number of different types to choose from to help find the right one for yourself.
The Fahrenheat Electric 5120 BTU Baseboard Heater is very energy efficient. Because of its "baseboard" design, it is not necessary to use a powerful to disperse the heat. It uses natural radiance, which saves on electricity costs.