The DeLonghi TRD0715T Safeheat 1500W Portable Oil-Filled Radiator features vertical thermal tunnels engineered to maximize radiant flow while maintaining a low surface temperature. The unit is permanently sealed with pure diathermic oil for stable and efficient heating and never needs refilling. It has a 24-hour timer with 96 settings, three heat settings and an adjustable thermostat. Convenient pre-mounted wheels ensure safety and stability. With the built in timer, save money by preserving...
- Permanently sealed with pure diathermic oil - never needs refilling
- 24-hour timer with 96 settings
- Patented vertical thermal tunnels to maximize radiant heat flow while maintaining a low surface temperature
- Automatically turns on when the room temperature drops below the set temperature with anti-freeze setting
- Automatically turns off with safety thermal cut-off if heater becomes too warm
This Space Heaters give to us some advantages, like this :
1. The best electric space heater I have ever used !
I have tried the quartz and ceramic heaters which often require a small fan to circulate air past the elements to heat the air. I have also been in homes that use natural gas for gravity heat, central air, built in electric ceiling heat, and a natural gas wall heater. Most of the gas or electric element heaters that I mentioned tend to dry out and remove some of the oxygen from the air which can cause that uncomfortable "soar throat and headache" feeling. These DeLonghi oil-filled radiators don't seem to negatively effect the air since they use clean electricity and simply heat up the air through efficient convection and radiation. This model TRD0715T has side metal tubing that creates more of a vacuum effect which seems to make the hot air blow out of the top of the unit without the use of a fan. DeLonghi rightfully nicknames this as a "Dragon model" since has the effect of a forced air heater without the noise or extra electricity requirements. On low 700W, medium 900W, or high...
2. Some actual performance measurements
Just bought this, still deciding whether to keep it. Ran a little experiment, thought it might give folks an idea of what to expect.
Room size: 154SF (11x14)
Finished, unheated basement room, with one insulated external wall, the rest uninsulated interior walls. No windows, door closed.
Outside temp: 15F
Put heater in center of room
Put thermometer on a desk 6 feet away
Started at 10:20AM with a cold heater set on high, measured for 5 hours
10:20AM 49.6F
11:20AM 55.9F
12:20PM 59.9F
01:20PM 62.6F
02:20PM 64.4F
03:20PM 65.8F
So roughly 2 hours to raise the temp 10F, 4 hours to raise the temp 15F
Unfortunately, I suspect that none of the competing electric heaters would do significantly better, since they're all limited to 1500W. Since I'm reluctant to try a fuel-burning heater in an unventilated space, I may stick with this...
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Beginning a second winter with ours. Here's the scoop!
Here's a review from the perspective of having used one of these for an entire winter. I bought one of these a year ago so we could set our natural gas heat on a very low temprature at night during the winter and still keep the master bedroom warm. Here are my observations.
1. It performed flawlessly and was so quiet we wouldn't even know it was there.
2. The timer is what sold me on the unit. 24 hours divided into small time intervals which may each be turned on or off give huge flexibility in when this heater runs and doesn't. It's on automatically only when you want it on.
3. The heat comes out the top. The sides stay very "cool" for a heater. I can put may hands on the sides for about a half a second, which means that touching the heater accidently on the sides probably won't cause a burn. It really seems to be built with safety in mind.
4. I would, of course, still follow the directions with regard to how close it is placed...
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