DeLonghi EW7707CM Oil-filled Radiator with ComforTemp Technology
by Delonghi
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Tools and Hardware Reviews of DeLonghi EW7707CM Oil-filled Radiator with ComforTemp Technology
Customer Review: Very nice heater
Summary: 5 Stars
I was looking for a quiet, efficient heater to use in my sons bedroom at night. His bedroom is on the end of the house and usually 3 or 4 degrees cooler than the rest of the house. This heater did the trick.
After reading numerous reviews I had mixed feelings on this. I basically bought it because the price was low enough that if it didn't work, I wasn't out a ton of cash. I'll just say I'm very pleased so far!
Pros:
Size - When I initially think radiator, I picture the giant iron ones from the old days. This is nice and compact and fits in nicely in the corner of the room
Noise - other than a little click when the "thermostat" goes on or off, there's no noise
Heat - gives off a nice, moist, calm heat. When I say moist and calm I'm comparing this to other electric heating elements that get red hot and use a a fan that tends to dry out a room in a hurry. This heater emits a nice gentle heat.
Efficiency - You set the dial to the desired setting. The unit will heat to that point, then shut down, however it continues to residually heat the room without using any power. When it gets below a certain desired setting, it clicks back on to reheat itself.
Cons
The instructions could explain how to use the temp dial and comfort-temp a little better.
In addition, I'd like to attempt to clarify the "thermostat" issue. Reqading the reviews here confused me a bit as to what to expect.
First off, there technically IS a thermostat....just not like the one you're probably used to. Theres a dial with numeric settings on it, not a temperature range like you would expect. It takes a bit of trial and error to get it where you like, but it's not terrible.
1. There are 2 on/off switches. Right(low), left (medium), both (high). I can only explain these as the speed of how to get your unit to the desired temp. If you're not in a hurry, use low. If you want it to heat up faster, use medium, if you want it to temp as fast as possible, use both switches. Once the unit is to temperature, I only use the low setting to maintain a constant temp. This method seems most efficient.
2. Using any of the 3 settings above, turn on the unit and start the dial at 1.
3. After about an hour use a thermometer to note the room temp. (I use a cheap digital one I got from Walmart). If the temperature is what you desire, 1 is your setting. If not, go to #4
4. Turn the dial to 2 (or in between 1 and 2 if you have the time) and repeat step 3
5. Once your room is at the desired temp, thats your setting. I found that in order to keep my sons room at 72 degrees during the cold Chicago nights, I use setting 4. I cycle it back to in between 3 and 4 for when he naps during the day and the outside temp is a bit warmer.
I'm very pleased with the accuracy as well. I leave the digital thermometer in his room 24/7. I randomly check it before I go to bed after he's sleeping and in the morning when he gets up. 9 out of 10 times it's right at 72 with the occasional 71 or 73.
As for the comfortemp, I cant attest. I dont use it. It was so easy to find my temp range I didn't even bother with it.
I also didn't experience and bad odors. Maybe it's because Im only using the lower settings and not cranking it up to heat a big room, but it went from the box to my sons room without having to melt off any coatings or things to that matter.
I highly recommend this if you need a quiet,gradual, efficient source of heat.
Customer Review: Perfect for my needs
Summary: 5 Stars
This is my 2nd Delonghi. Several months back I purchased the larger model 715T with the 24hr thermo setting. So far, very happy with performance of both.
I recently moved back to AZ. The winters are certainly not like back east or mid-west, but it is a area of higher elevation with winter nights in the 20-30s. The home is under 1000 sqf and I did not want to heat with propane at the current high price, (neighbor has filled their propane almost monthly) at about $475 per tank. My last 3 months for total heat, lighting and cooking has been $70, $105 and current bill for Feb at $77.
I use the larger DeLonghi unit in the front room-kitchen area, and the smaller unit for my PC office room. During the coldest nights I kept the larger unit on all night at low temp, then turned it up a notch or two in the morning. I'm fairly cold-blooded and prefer warmer to cold. This has kept me very comfortable. Granted, as some reviewers have said, you need to turn it up and let it get up to desired temp,(2-3 hr). This is the nature of a 'radiator' heater. But once up to temp, it will keep area 'toasty' for rest of day.
Other reviewers have noted a few problems that I have not experienced, (maybe I'm lucky or they just got a defective unit, which certainly can happen). I did not note a 'horrible' long lasting smell. With the smaller unit it did take a few hours of residue burn off, nothing horrible or irritating. The instruction manual notes all this. I was not annoyed by 'loud pops' when unit was going on or off. I did, barely hear it at times,(and I have excellent hearing). Have not had any mechanical or broken items nor leakage. Note: as a reviewer said, they got a slight 'burn' when touching, (the manual also notes as well). When on high the top of unit can get very warm to touch...but why would anyone assume less? It is a 'heater' folks. So let's consider that when using any such electrical device. Would not advise you to: let children play around it, nor do you want to curl your cat on it. But overall, by touching it you are not going to scald yourself. Smart advice: read the manual.
The larger unit I thought would be nice to have the 24 hr thermostat setting, I have only had to use it a couple of times, because after the unit gets to your desired comfort, just dial down a setting and move the thermo dial until the light comes on and it will maintain that temp. In fact, the smaller unit the 7707CM, has a '6' number setting dial that works just as good. This unit, (like the larger one) is also able to go to a 1500w setting, but I have only used it a few times on extreme cold mornings for a couple hours to warm room up a bit faster, then turn it back down to 500 or 700w setting.
So, for me, bottom line at present, I would certainly purchase another DeLonghi for my use. Very comfortable and cost effective. Open the box, remove it and 'pop' out the lock in place fold under wheels, plug it in and you are ready to heat. I felt Amazon price and fast free delivery were all pluses.
Customer Review: Good value
Summary: 5 Stars
This is a pre-assembled well designed and steady efficient heater. Measures 16" wide but manufacturer reccommendations require 3 feet of clear space in front of it and above it. The smell of toasted oil dissipates after a day of use set on LOW, the manual reccommends 2 hours on HIGH to achieve this burnoff. It has a two pronged polarized plug rather than a grounded plug, so easier to use. The power drawn is 120V - 60Hz -1500w and yes it is made in China.
Shipping is the only real complaint I have and thats Amazon not the manufacturer. I got two, and each time it was poorly packed into the large Amazon box. Rattling around packed only with a piece of paper!!!! Luckily, the manufacturer's box holding the heater is packed very well with form fitting shock absorbing styro, but I'm sure it suffered knocks on the trip--the large Amazon shipping box arrived at our loading dock both times looking like it had been opened or crushed and our receiving manager was not impressed. A complaint slip was sent back each time to notify them.. It would be much improved if they just packed it with those bags of air instead a thin piece of paper. After all, being oil filled you would think Amazon would precautions to avoid springing a leak and baggies of air weigh next to nothing. The first has worked fine for two days, the second one did have its styrofoam block break apart from a knock apparently, but the heater was undented and has been on for a full night with no complaints. Still....
You actually need only use it on low or medium, as it heats steadily and warms a 60 degree room in 10-20 minutes to a comfortable temp. After being plugged in and set on LOW, the plug and cord dont even get slightly warm which suprised me. The DeLonghi get slightly warm after an hour when the heater is set to MEDIUM, however, which is normal according to the manufacturer in the manual. Overnight while on MEDIUM setting it warms an entire large room and event akes the edge off of adjoining rooms like hallway and kitchen. This is just enough for someone who has asthma to breathe easier without being bothered by the cold air or wasting energy. Still havent seen my energy bill yet so we'll see.
We liked it so much after I got the first one, we bought a second one. We keep each heater on a separate circuit and no higher than medium setting and we wont blow a fuse! The thermostat is efficient and accurate and it has a thermostat version of cruise control as well. Very nice. The thermo cruise control has a large dial and light which is bright enough to serve as a night light.
Customer Review: Great heater but...
Summary: 5 Stars
I own 3 of these. I got one to test out and then added 2 more (one for each bedroom to try to combat high central heating costs). I have had them for just over a month and will update this review if any of them break or I discover something worth mentioning here.
The initial impressions are:
The heater works great. Allow about 1/2 hour to warm up any room bigger than 10x10. My 15x15 bedroom stays warm on Low setting with a thermostat set to 4 with mid-40 degrees outside (this old house has a below average insulation).
The heater is totally silent. In the beginning, one of the 3 heaters made some crackling noise for about an hour after being turned on. I called DeLonghi support (which was good, by the way!) and was told that it's normal and has to do with how the heater was handled during delivery and that I should expect it to stop making these sounds after several uses. It did stop making the sound pretty much that day!
For the energy conscious, the heater consumes 1500 Watts when both MEDIUM and LOW (but not ComforTemp) buttons are pressed. The ComforTemp button maintains the room temperature of ~70 degrees and delivers 27% energy savings. When the LOW button is pressed, the energy consumption is 700 Watts. When the MEDIUM button is pressed, the energy consumption is 800 Watts. By comparison, my relatively new Sharp 12,000 BTU AC consumes 1,150 Watts.
Note, the ComforTemp button gets "stuck" when the heater is hot. So you'll have to wait for the heater to cool off to depress it.
It would be nice if the heater was more portable. While it has wheels to roll from room to room on the same floor, if you plan to carry it between floors while it's still hot, don't even try. In general, it's not very portable between floors as it has only 1 side handle and it's quite heavy.
The ultimate question is: would I buy it again? Based on my experience with this heater so far I would say YES without hesitating.
EDIT: After a month of light use one of the heaters started leaking oil. Luckily, it is still within returns period with Amazon so it will be shipped back tomorrow.
Customer Review: Great little heater!
Summary: 5 Stars
We bought this heater for a 12.6' x 12.6' porch converted to room - insulated walls but no duct heating. So far this fall, this little heater has been perfect for warming the room.
I bought it because we purchased a different delonghi heater last year (actually a step up from this one) and my daughter has been very happy with it - it actually turns her room into a little oven. I liked the simplicity of this heater, but still wanted plenty of heating options. The three power settings - min, med, max plus the 1-6 temp settings makes it very adjustable. This one was about $20-$25 less than the one we bought last year and that appealed to my budget.
We haven't made use of the ComforTemp control yet. But regardless, we are happy with the options we have used.
It does get hot to the touch, but not so hot I would worry about my children touching it. My youngest is 5 and he is always putting his hand up his sleeve and touching it through the fabric - just to show off "See mom, I can touch it!".. I have a 7 mos old granddaughter and when she's over, I move the heater so she can't get to it.. It does get too hot for her little hands.
In the past, we've had both electric heaters and ceramic heaters, neither of which (a few different types/brands) warmed up the area like the delonghi oil-filled radiator. The heat from both the electric and ceramic heaters were very focused in a small area, where the radiator seems to heat the room. Plus, it's so quiet the only way I know it's even on is to see the light (besides the room being warm, of course!).
We have a cute little heater for our boys room - it looks like a small fireplace, with a door and fake logs - it just blows warm air out the bottom (dogs love it). My boys pretend to put new "logs on the fire". At night while settling into bed, we turn the "fire" on (it lights up). It's pretty and the boys have fun with it. However, a few nights ago it was really chilly out (about freezing temp) and my youngest tells me he doesn't think it works very well because their room was still cold. Their room is next on the list for a delonghi oil-filled radiator.