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Central Heating

Posted by dplloyds - Created: 7 years ago
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6 replies (Showing replies: 1 to 6)

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Posted by stuart06-195098 - 7 years ago

If you are planning on installing several electric radiators it may be advised to verify in advance your existing electric installation is capable of absorbing the anticipated increase in power consumption.

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Posted by GAnthony - 7 years ago

We have Sauter brand heaters, model = Luki. They are fitted with a 'Pass Program' controllers and work very well. Completely silent as should be all electronically controlled heaters. However, a poorly made heater will 'click' as the internal construction heats and cools. In our experience our Sauter models do not do this. We also have radiant heaters in the lounge, providing direct warmth to people sitting there. They also have programmers which allow us to control when they are at full temperature or are on 'eco' mode during the day. Only one heater has failed in the last eight years, and that one I was lucky enough to be able to fix. Very satisfied with the arrangement.

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Posted by dplloyds - 7 years ago

Thank you for the replies. What make do you have for the 'silent' ones? Our apartment is very small and we prefer 'no clicking'.

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Posted by Ras-214972 - 7 years ago

While it is true that watts out are the same regardless of how expensive your heater is, there is a difference dependent on whether it is convector or radiant heating, and the thermal capacity of the heater affects your comfort level.
An expensive heater of heavy construction will take longer to heat up than a cheap and lightweight heater. As long as it is switched on in good time, this is better, because the heat released is more constant than a light weight heater that keeps switching on and off due to the thermostat. Constant heat is better for your comfort.
A heater than produces hot air, heats very quickly, but the room gets stuffy. The heater thermostat switches off, and the room goes cold quickly.
A heater than generates radiant heat does not heat the air. Rather, it heats up objects that absorb the radiant energy. This in turn heats up all the walls and furniture in the room, and the air along with it. The result is more comfort. Avoid though the very hot element bar heater, these are too fierce and directional.
In summary, buy a "radiator" of some kind, of sufficient heating capacity for your room, or else several of them, placed around the room. The radiators should have a good weight to them, either through containing a fluid such as oil, or else due to their construction.

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Posted by GAnthony - 7 years ago

VTT is right, the electrical heaters are good at delivering heat exactly as you pay for it. However, just used alone they know no better than to try to keep the room at the temperature you set on the dial. In our villa, we have simple electrical convector heaters, but with a difference. Each convector is fitted with a small computer which allows us to set the heat 'profile' of each individual room. When we expect the room to be empty the temperature is allowed to drop. For example, the kitchen which is used a lot has a different heat profile from the master bedroom. Doing this, we believe makes the house heating system a bit more efficient. Electronically controlled heaters do not click on and off. They are silent. Guest bedrooms which are not in constant use are kept at a low temperature until guests arrive, bathrooms are heated just when needed for showers and hot towel rails. All in all, this seems to work well. Remember, electrical heaters need little maintenance, do not produce noxious fumes, and generally are silent in operation. Good luck.

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Posted by VTT - 7 years ago

Well, you are in luck. The nice thing about heaters (if you are talking about the electric heaters - that is) they are fantastically efficient. Indeed, electric heaters are very remarkable as they are just about the only thing we use which can be said to be 100% efficient. Every joule of energy they pull from the wall - goes to heat. 100% efficient.

Now, here is the cool thing. Even the very inexpensice and downright cheap ones, share this attribute. If you buy one with 10 times the price and it says 'Gucci' on it, it will still only be 100% efficient just like the cheapest bargain one.

The only advantage is that the Gucci heater might last 35 years and look pretty on the wall. The cheap one may only last 20 years. Go to Casto in the spring (now) and these are on sale for almost nothing. They will be at least twice as much in the autumn.

Just remember - no matter what kind of scam the 'higher' quality heaters try to put forth - they don't turn electricity into heat any better than the low quality heaters. I saw this very expensive infrared heater - I almost fell apart laughing.

keep in mind - there may be one feature you could be interested in. If your place is rather quiet,then you may be disturbed by the 'clicking' sound most of these make. When they turn on and off through a cycle - about once every minute, they tend to 'click' at an electrical relay. It takes a rather expensive semiconductor device (about 2 euros) to avoid the need for a relay. So 'silent' heaters are a bit more expensive. If you don't mind the clicking, get the cheap one.