What is the best efficiency space heater?

Answer On One Hand: A Large SelectionThere is a large selection of energy efficient space heaters on the market today. According to, Lasko, Soleus and Optimus heaters are the most energy ef... Read More »

Top Q&A For: What is the best efficiency space heater

What is thermal efficiency in a water heater?

The thermal efficiency in a water heater is measured using an energy factor (EF), which equals the amount of energy used to heat the water compared to the amount of heat energy in the water. Energy... Read More »

Which space heater is best?

On One Hand: Lasko 754200 Ceramic HeaterThe Lasko 754200 Ceramic Heater is a basic but effective heater. It is priced low at $30 and can heat up an enclosed room without much trouble. This heater i... Read More »

Which is the best space heater?

On One Hand: Vornado Gets the Highest RatingConsumer Reports keeps an up-to-date list of its space heater ratings on its members-only website and, as of March 2010, the $150 Vornado Vortex Heat Tou... Read More »

What is the term used to describe the efficiency of a water heater?

Different types of hot water heaters have different terms applied to them to describe their efficiency. A solar hot water heater is rated by SEF (solar energy factor) or SF (solar fraction.) A tank... Read More »