12/10/2011

Great little heater DeLonghi EW7707CM Oil-filled Spec And Review

I bought the DeLonghi Oil-filled Radiator with ComforTemp, the DeLonghi Micathermic flat panel model, and the Oil-filled Radiator without ComfortTemp. All of them work GREAT.

I have each one in a section of my @1800sq.ft.house, so that I can heat just the rooms that we are using, instead of turning on central gas heat.
The ComforTemp model heats up our entire great room/family room/dining room and kitchen, which is one big open space with hardwood floors and gets chilly.

The Micathermic model I use to warm up the hallway, bathroom, and kids' bedrooms, especially at night (on a low setting).

The non-ComforTemp model I use to warm up the master bedroom and bathroom.

They all do a fantastic job. Our house is warm, cozy, quiet and comfortable...MUCH more so that when we used the gas forced air central heating, which is incredibly loud, drafty, too hot and dry when it's on, and too cold when it's not.

There were a bunch of comments about the smell of the heaters when new. Well, there was a bit of smell on the first day using the heaters, but it's totally gone now, and it was never really that bad.

There were a bunch of negative comments about the heaters being noisy. Well, if the heater is really cold it does make a few popping noises when it starts heating up (which go away once it's warm) and there is a quiet clicking noise from the thermostat when the heater turns on and off. Seriously, anyone who is bothered by those tiny noises needs to get off the crack already. They are MINOR. It is unreasonable to expect perfect silence, although that's what you get 99% of the time with all three of these heaters.

Honestly, I couldn't be more pleased. I love these heaters and they were a great investment. I have already seen a drop in our utility bills, though our house is warmer and cozier than it was before.

I most highly recommend DeLonghi oil-filled radiators, as well as the micathermic flat panel. Have owned this heater for less than a year and wanted to wait before submitting a review. It is a simple design,reliable and easy to use. A great buy for the money. Be patient and don't expect instant heat; but once up to temperature regulates nicely.
My only constructive criticism (in my opinion)is that the on/off switches for the two power levels require getting use to.
You move the switches down to turn them on and up to turn them off.You know when power is on when they light up. Lucky Lou

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Radiator Heater with ComforTemp Technology Best Review

ComforTemp Technology. Sounds like a great idea, assuming everyone thinks the same temperature is comfortable. But why would a manufacturer put a second thermostat in a heater? Wouldn't that increase the price? Answer: Because the first one doesn't work.

The primary thermostat, which is controlled by the dial, must be positioned too close to the radiator, because it turns the heating off after only a few minutes of heating, regardless of the thermostat setting or room temperature. So it's impossible to heat anything but the smallest room with this thing, and even then, only if its not very cold, since the thing can only manage a duty cycle of about 20% with the flawed thermostat.

The "Comfortemp" button appears to be an attempt to salvage this heater after it was manufactured and the flaw revealed. Looks strangely similar to the size and position of a timer doesn't it? They stuck a second thermostat in the timer hole so they didn't have to scrap a whole run of these things for lack of a functioning thermostat. The main problem with this solution is that you only get one temperature setting, and it's way too hot. Over 80 degrees.

Avoid this flawed design and find another oil heater. This is the 2nd DeLonghi oil-filled heater I've purchased and I've been nothing but satisfied. We're heating an 18x12 room (with 14ft vaulted ceilings), and we seldom have to turn the control past the first couple of temp levels (this is in Minnesota!) - it really kicks out the heat. We always use the ComforTemp setting, which was part of the decision to buy this model - it helps save energy and costs. The unit is lightweight and easy to use, with simple controls. It's a great option instead of running your home furnace all the time - no noise, or hot air blowing on you - and it's reduced our electricity bill. You can use this unit right out of the box - no set up or assembly needed. Amazon sells it at a great price (I found the exact model for up to $25+ more).

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The EW7707CM Oil-filled Review For Holiday Deals

Don't get me wrong, this is a nice heater and works perfectly for our application (to heat our son's room which is located directly above the garage and thus colder than the rest of the house). I'll let the other reviews speak for most of the features of the unit.

What I do have a comment on is the ComforTemp "energy-saving" technology, which in my opinion, is just part of the whole green marketing fad. This includes making products/features appear to be green when actually they are not necessarily so. The ComforTemp "feature" does nothing more than override the thermostat dial and set the thermostat on the unit to ~70 degF. The box shows in big letters "27% Energy Saving," but if you read the fine print, it says "Based on internal tests on same model comparing energy using the ComforTemp function versus adjustable thermostat at maximum setting." So they are claiming an energy savings versus the maximum thermostat setting that would make the room way too hot. This is like saying a light bulb is energy saving because you turn it on only when you need it, rather than leaving it on all the time -- i.e., it only saves energy when compared to an absurd, high-energy-consuming scenario.

In our application, we actually save energy by not using the ComforTemp function, because we found that, with it turned on, the room gets heated to ~73 degF. We set the thermostat to a little above the "1" on the dial and that keeps the room at ~69 degF -- warm enough to keep our son from getting cold at night.

If anything, call the ComforTemp feature a convenience feature -- for those who don't want to bother with the adjustable thermostat. Call it a night light feature -- because it emits a significant green glow. Just don't call it an energy-saving feature. In my opinion, the best thing to do would be to remove the ComforTemp function altogether and just charge less for the heater! But of course the market research probably shows that if you pretend it's green you'll sell more units ... We purchased at the beginning of the year because the forced air heater we were using in our bedroom left me with headaches and a bloody nose and I was worried the same would happen to our newborn.

Upon reading the good reviews of this unit I purchased it and it worked great for the rest of the winter and chilly spring nights. I constantly had to turn the unit down because it was really warming up the bedroom.

But I just pulled it out for use about a month ago and it has failed to perform. I leave it on high all night and it still does not warm up the room. I have to run the other space heater along with it to warm up the room, then turn off the other heater before it gives me a headache. This goes on several times during the night.

I wanted to return it since it is still under warranty but DeLonghi says I have to pay for shipping it! This was a good heater, but it would be nice if it lasted longer then 11 months.

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DeLonghi EW7707CM Holiday Review And Compare

After reading many of the reviews on Amazon, I purchased this delonghi heater. I can't be happier with its performance. I believe the more positive reviews are a result of using this heater as it was designed - to gradually maintain a slow heat in a small-mid sized enclosed room (say, 20x20 with 9' ceilings). If you want to quickly heat a large room with a blast of hot air, get something with a fan or turn up the thermostat.

We use this heater at night. It does such an effective job of keeping our room at a comfortable 70F (even at lower settings), that we have programmed our central heat thermostat to go down to 60F at night. Of course, the effectiveness of the heater is also dependent on how well your house is insulated.

There were some comments about the heater getting hot to the touch. Well, yes, of course it does - it's a heater! But even at it's highest setting, the metal is not sizzling. It is well insulated enough that you can touch it for a few seconds before it gets uncomfortable - plenty of time for the occasional times you may bump into it. At lower settings - this isn't even an issue.

Why an oil-filled heater? It produces a very gentle heat without drying the air like a conventional ceramic or electric heater.

Why the delonghi? Gentle heat without any sound. We purchased the Honeywell 7-Fin Oil-Filled Radiator Heater as well (they were out of stock of the delonghi), and while it heats fine, it creaks and cracks when you use it. I'm sure this is due to the metal expanding and contracting as it gets warmer and cooler. It's not a huge problem, but if you are a light sleeper, it may be an annoyance.

The only downside I can think of is the wheels. Doesn't roll well on carpet - which is fine, we don't' move it much anyway. But overall, love the delonghi. We've had it for 2 weeks now and I hope it lasts this way for several years. Heater was bought for child's room. It seems safe and works well. The comfort temp feature was slightly misleading due to the fact that we thought we could change the thermostat on that function. Instead you can use the number thermostat that goes from 0 to 5. I guess we thought we could set the temperature to a degree like 68. Other than that we like it and we feel that it is safe for our child's bedroom. We will see how it is on the electric bill this Winter.

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