If you are contemplating on buying a room heater for the coming winter, you should check out portable or small space heaters. Portable or space heaters come in two types – vented and non vented or vent-free units. Vented room heaters are recommended for residential indoor heating. These systems need to be placed near the outside wall of your room to enable easy access to the flue gas vent which is usually installed in the ceiling or on the outside wall. … Continue Reading