As of 2015, the best free-standing heater is the Duraflame DFS 550-7 electric stove with remote control, according to Bestelectricfireplaces.net. Amazon.com and Electricheatsource.com give the model 4 and 4.6 out of 5 stars, respectively.
The DFS 550-7 is metal constructed, cool to touch, lightweight and easy to relocate. The model requires a standard household outlet and operates on 1,500 watts to heat an area of 400 square feet. Attractively designed, the supplemental heater has authentic-looking flames that can be dimmed and artificial logs and embers. It also has an operable door and a multifunctional remote for heat and flame control. Easy to install, the heater functions quietly, is highly durable and safe to operate around children and pets.