Customer Rating: - Great Oil-filled Heater
This is the second Delonghi oil heater that I purchased through Amazon & I am completely satisfied with both of them. (I also purchased the Delonghi HM25E Dragon Ultimate Oil Filled Radiator Heater purchased in 2005, twice the cost, twice the heater.)
I like the size of this smaller one a little more -- it fits better into the small space where I am using it. We use it in a 10' x 10' main bathroom. The room is not insulated (85 year old home) and gets almost no heat from the home's central heating system (radiated water heat).
I have used it every day this winter and found that it is more than adequate for this room, even on the coldest winter days. The temperature recently has dropped to -5 F overnight (Chicago) and I have the heater set on high to turn on 60-90 minutes before I get up. The bathroom is always nice and toasty in the AM, even though the exterior wall is cold to the touch.
I was concerned about the safety of using an electric heater in the bathroom because of electric shock and fire risk. No problem on either account. I recommend using a GFCI electric outlet to reduce the risk of electric shock; also, the oil-filled radiator does not build up an excessive amount of heat (as long as you don't cover it - keep it open so heat can radiate away from it).
The heater has on/off switches (one for high, one for low) and a electro-mechanical timer. You set the current time with the dial, then set the timer to turn on & off as much as you wish during the day. You can be accurate to within about 15-30 minutes. The unit must stay plugged in for it to keep accurate time. Electronic LED timers (like on the Delonghi Dragon) can be set more accurately, but usually have a limited number of on/off automatic settings (Dragon has a limit of 2).
This heater also has a "thermostat" of sorts. It doesn't give a temperature, just gives a min/max range of 1-6 (my other one goes to 11). A 6 setting for about an hour is necessary for a toasty 10x10 bathroom at 0 degrees F, while setting at 3 for an hour is sufficient at 32 degrees.
Energy consumption - my electric bill increased only about $8-10/mo from fall to winter, a small price to pay.
The heater is short (about 16-18 inches)& very stable, fits under my pedestal sink between the sink & tub - perfect spot. It gets hot to the touch, but not so that you (or a child) might burn yourself.

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Customer Rating: - Delonghi portable radiator heater
Arrived in great condition. As indicated in the directions, there was a slight burning smell the first time I used it. I haven't had that smell since. Easy to use programmable timer and temperature settings. A great way to heat up a room instead of the whole house.

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Customer Rating: - Quite pleased
We got one of these at the hardware store. Liked it enough to get another at Amazon (at about half the price).
Great for a small room. One keeps our 11' by 14' TV room cosy. Doesn't dry out the air like the fan heaters, and totally quiet.
My wife loves the timer on the one in the bathroom. Nice in the morning, pretty easy to set up.
Two minor gripes. The cord comes out at the control end (you never see it in the picture). Also, it gives off a bit of a smell for awhile while it's new. They do mention this in the instructions and it did go away, but it might worry you if you're not aware.

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Customer Rating: - Radiator
These oil-filled radiator is sweet. It is small and programmable. It is saving us electricity from our old one and doing a good job. I like that it makes zero noise too!