Wanted to purchase an oil column heater like the one my parents have been happily using for the last 30 years. The only option available to us at my local retailer was the Delonghi Dragon 4 TRD41500ET. I was happy to purchase it, especially as I believe Delonghi to be a reputable brand. Our experience has been disappointing to say in the least - the heater makes a 'clicking' noise constantly, not just when heating up or cooling down, but all through the night when turned on, making our sleep very disturbed. Also, the heat only radiates directly...

The heater is fabulous EXCEPT you can't turn off the sound. I set the timer to turn the unit on an hour before I wake up to heat up my room before I have to get up for work and the beep it makes to indicate it is on is so loud that it wakes me up!! The beep is totally unnecessary and if i had known about it before purchasing I wouldn't have chosen this heater. I would have given this a 5 star if the sound wasn't such an issue.

I purchased for my sons room as his room gets much colder than the rest of the house, & I didn’t want to run the ducted air-con all night. I usually turn it on before I put him to bed and by that time the room is nice and warm. its easy to use and does exactly what it says it does. I don’t use the timer, I run it from bedtime until my son wakes up. I like that I can set to a certain temperature without worrying about the room getting too hot as it has a auto shut off If it’s too hot. It was simple to set up, & the oil smell for first time use went away within a few hours. We’ve been using every night since we purchased it and have had no issues with it.

The heater is very quiet and heats the entire room effectively with the doors closed.
We have the heat setting on Eco always, around 23-25 Degrees on 1 bar which is sufficient In the bedrooms for around 5 hours per day.
We purchased three heaters, two for bedrooms and one for the living area. The living area is on mostly all day around 25-26 Degrees, 2 bars On ECO setting.
All other appliances in the home are low energy cost and our bill was formerly $400 per winter quarter. Since buying the 2 bedroom delonghi heaters last year our bills are ...

Excellent in heating with consistency in living room. Quiet, nice design, easy manual function. Tried different heaters (ceramic/air, brand panel heater, radiant)- suitable given asthma/excema condition. No issue with smell.

Bought this at GoodGuy and it was super effective heating up my master bedroom. I had to turn off the heater at 2am as it was hot in my bedroom (in the middle of winter).
Very easy to use the dials and settings.
Took less than 30mins and my room was visibly hotter.

I’m using this heater for the 2nd year. It still smells bad. What a waste of money! I would not recommend it. I followed all the instruction that was mentioned in the catalog. In fact I kept the heater out in open space for 8 hrs to get rid of the smell. It was just waste of electricity.

Overall a great heater.
Easy to setup.
Quiet operation.
No smell after following initial use instructions.
Great functions, especially eco mode.
My only negative point is the timer function. I see that others have noted the same.
To be clear this only has a single use 24hr count down function to turn the unit off or on to its last setting. You can’t set a 24hr repeatable programme. I hoped to get around this using a smart plug/ timer but when the power is turned on the unit will go on to standby mode, rather than turn on to the last setting.
Annoyed, but will survive.

Aim of purchasing new heater, was to have a unit switch on and off in 24 hour cycle, with no noise, replacing old unit of 20 years that had a noisy dial timer of similar size. The new units heating of the room is significantly better, with no noise, however the timer for the purchase price is unbelievably rudimentary and not functional to our needs. I cannot believe the electronic functions of the timer are so basic, and that with the research put in to buying a new heater, I did not realise I needed to look at the timers setting ability, thinking that purchasing a more expensive product compared to the manual dial would be better an not inferior as it is.

Heater works very well, currently heating approximately 30sqm room. The quietness and performance is yet to be tested against the electricity bill but we're confident that the heater is as efficient as you can hope for an electric heater. Temperature settings are good and usually only require setting 2 or 3. Timer clock is a labour to use.

Bought this heater June 2019. (Just a year old) It was fine for a while, then this terrible terrible toxic smell started coming from it. The heater is well looked after. We are in our 70's and both have breathing issues and this smell has absolutely affected our lungs. Beware of this heater. It was expensive and we thought for the money we paid it would be good. Now for the stress of getting it all sorted.

Heats very quickly and keeps the room nice and warm. Perfect for small to medium size room with kids. Has an eco mode as well, you can set a temperature and it maintains it through out the night.

Have been using a similar heater for years in the caravan. It is efficient and safe to leave on all night and as it is silent in operation, causes no disturbance to us or anyone parked close by. The reverse air in the caravan does a great job during the day, but at night can be too noisy to leave running, so the small silent heater is a great back up. When not in use, stores well under the bed and has survived all the travelling

Wishing I had bought this sooner ! I love the temperature setting as it keeps the room a constant temperature throughout the night, I’m super impressed with the heater itself as the temp setting I have for my sons room is medium on a low heat setting and the unit isn’t hot to touch. Takes about 15 minutes max to heat up a room on the lowest setting. Our master bedroom is very large and on a high setting takes about 15/20 minutes.
This is the perfect heater for a baby/ child’s room.

I bought this heater from Harvey Norman a few months ago and just recently used it. The unit heated up my room in 15-20 mins and it’s continue to heated for more than 8 hours. Even it’s operated through long hours but it’s not overheated like the other heaters. I’m very satisfied with this product due to it’s maintain the temperature that I set for.

Have just realised that the timer function is not repeatable and only sets a time delay to turn off or on. Very dissapointed. I already have the dragon 3 heater with manual 24hour timer which heats well so thought that this would be an improvement.
I am not saying that the heater does not work well. I just think that the timer is not functional enough for operating the heater at 2 or 3 times a day only when it is required.

I have to start with saying that this heater is amazing for what we want it to do.
We are using this heater in our baby room that is maybe 10 square meters.
Please keep that in mind upon reading this.

When we turn on the the heater about 30 minutes in advance, the room will be warm ( we want the room to be around 18 degrees). Usually it will drop to around 15 degrees in there during the day in winter.

Funnily enough, when I set the thermostat on the heather to 15 degrees, the room is around 18 degrees all night. This must be because the heath...

Compact unit we have had for a month no, heats up very fast and heats our bedroom very fast which is about 20 squrae meters, timer is a greatfeature which we use to assist winter drying of clothes

Bought this heater because sales told me it had a timer. Well it does have a time, but you have to set it every time you use it. Set it for the time delay to turn. Then alternatively set a time to turn off. Neither work together.
So, this price unit should have a proper clock timer with daily and weekly programmable settings. Time of day to turn on and time to turn off. I have this feature on a Noirot panel heater. Perfect.
Good heater but lacks the programming feature.

Pros : nice slim sophisticated design with 7 years warranty. Cons: bad smell at max thermostat setting even after using it beyond the 2 hours period. Used again after turning off still smell even on next day. Who knows if these are toxic for babies ! Please check this !!! Objects and dust can get trapped between the small chimney like tubes. Dangerous!