The best oil filled radiator heaters are one of the most efficient ways to heat small to medium sized rooms.  An oil filled radiator space heater is permanently filled with oil which radiates heat.  There are different options of oil filled radiators available most coming with low and high wattage.  The oil in these radiator space heaters never burns, so it never needs to be replaced. The best oil filled radiator heaters operate on the principal of convection.  The warm air produced by the heater moves upwards.  That forces the cold air down, which in turn gets heated to a warmer temperature.  The benefits of oil filled heaters are their energy efficiency, quiet operation, and safety aspects.  Oil filled radiators have no fan and the heating elements are entirely enclosed inside the unit.

Below is a compiled list of the best oil filled heater reviews on the market.

DeLonghi TRD0715T15009.4 x 14.2 x 25.6$3.9
DeLonghi EW7707CM150013.8 x 25 x 10.8$4.1
DeLonghi EW7507EB150014.5 x 6.3 x 25.2$4
DeLonghi TRN0812T15007 x 18 x 15$3.6

DeLonghi Oil Filled Radiator Heater Reviews

DeLonghi TRD0715T Oil Filled Radiators

Our Choice Of One Of The Best oil filled radiator heaters on the market

The most popular and one of the best oil filled radiator heaters is the DeLonghi TRD0715T.  It is designed with vertical thermal tunnels to maximize radiant heat flow while maintaining low surface temperature.  The oil filled radiator is permanently sealed and is filled with pure diathermic oil.  The DeLonghi TRD0715T features simple controls that allow adjusting the temperature a breeze.  There are 3 temperature settings, an adjustable thermostat and a 24-hour timer.  The anti-freeze feature prevents frozen pipes by automatically turning on if the temperature goes down below 42 degrees.  The TRD0715T is also designed with a safety feature for overheating protection with an automatic thermal cutoff.  It is safe for homes with children and pets as the exterior of the unit does not get hot and remains cool to the touch.

DeLonghi EW7707CM Oil Filled Radiators Heaters

Our second choice of the best oil filled radiator heaters is also a DeLonghi.  DeLonghi is the most popular and best rated among oil filled space heaters.  The DeLonghi EW7707CM also uses 1500 watts and provides fast and quiet heating of any home or office.  It features 7 permanently sealed fins with oil inside each one.  It offers a range of settings that allow customization of preferences.  This heater features 3 heat settings, an adjustable thermostat, and a ComforTemp setting.  The ComforTemp setting is an energy saving mode that will maintain the room temperature at 68 to 70 degrees.   For safety,  there is anti-freeze feature which automatically turns the unit on when the room temperature is below 44 degrees.  There is also a thermal cutoff which shuts the unit off when it starts to overheat.  The EW7707CM surface maintains a low temperature while remaining safe to the touch.

DeLonghi EW7507EB Oil Filled Radiator Heaters

DeLonghi EW7507EB features digital controls, using which you can adjust the thermostat or set on the three heating modes. Additionally, it has a temperature management setting that automatically cycles between heating levels and maintains a set temperature. This setting can be used to save energy.  One of the benefits of the EW7507EB is its double function timer. It allows you to set two timers at once within 24 hours. So you can set it for morning and night, without having to adjust it manually.  The heater’s protection system includes anti-freeze and overheating thermal cutoff.

DeLonghi TRN0812T Oil Filled Radiator Heaters

DeLonghi TRN0812T is an excellent option for energy efficient heating.  It features an energy saving timer that has 96 settings and allows you operate the unit only when needed.  This heater comes with all the standard safety features like the previous DeLonghi oil filled radiator heaters above.  The DeLonghi prevents freezing of the pipes, overheating, stays cool to the touch and is built with a rust-resistant metal construction.  The TRN0812T is also safe for use in bathrooms and other humid areas as it features a convenient GFI plug.  The 3 settings and thermostat allows you to control the desired room temperature.

Best Oil Filled Radiator Heaters – The Bottom Line

The best oil filled radiator heaters can be a great energy efficient way of heating a room or office.  When looking for the best oil filled radiator heater, be sure to check for safety features. Among the best oil filled radiator heaters available on the market, the DeLonghi oil filled radiator heaters are the most popular and best rated.  They provide great heating, excellent safety features, and most importantly are energy efficient.  Most of the oil filled heater reviews we have researched of the DeLonghi line show that the users are enjoying the quality and efficiency of the heaters.