What portable heater is the most efficient and the least cost to run?

December 5th, 2009
portable heater
Dee asked:


We like the rest of the world are trying to save money on our heat we live in CT. We leave for work at 5:30am and return around 7:00pm. We keep our house at 58 degree and when we come home, we are use a space heater for the few hours we are up rather than keep the whole house at 68 degrees.