Energy Efficiant Kettle?

Gregster71

I'm looking for an energy efficient kettle, basically one that boils water cheaply!
We drink a lot in our house and need a new one.
Thank you in advance

Greg

WestonDave

The bad news is that all kettles are 100% efficient at transforming 1kWh of electricity into 1kWh of heat, and all water takes exactly the same amount of energy to heat to 100C (boiling point). The only way some kettles can claim to be more efficient is because they are shaped in such a way as to allow them to heat just one cup full of water if you only need that much. If you are making a round of hot drinks then the way to make it efficient is to get used to putting almost exactly the required amount of water in the kettle and no more. So if you want 3 cups of tea, put 3 full cups of water in the kettle and by the time you pour the drinks leaving room for milk, you'll have boiled just over the amount you need.

huckster

If you have a gas stove, it may be cheaper to heat water in a gas stove kettle.

If not you can buy energy efficient electric kettles which seem to be 3000 watt. They heat the water up quickly, therefore using less power. If you buy a kettle with less wattage, in theory they take longer to heat the water and therefore may cost more to use. Though WestonDave may have a point, but science is not my strong subject.

My tip would be not to by a plastic kettle. They will not last as long as the metal versions. With the plastic kettles, after a period of time, you will find they start to leak. I have a Tesco own brand metal kettle which was pretty cheap and it takes only a couple of minutes to boil from cold.

Gloomendoom

If you want more watts to go into heating the water than the surrounding air, look for a double walled kettle... and then put no more water in it than you want to pour out.

rustyboy21

I have just bought one of these through a contact and got it 1/2 price and it is Bloody Brilliant !!


http://www.morphyrichards.co.uk/products/kettles/hot-water-dispensers/131000-Black-Redefine-Hot-Water-Dispenser.html


Kettle has been put away.

Ruski

Don't you find filling the reservoir a pita Rusty?


I know the argument is that you have to fill a kettle anyway


Our experience of a coffee machine (which also gives you instant hot water) is that it's been stuck in the corner of the worktop, cos neither of us remembered/could be bothered to fill up the reservoir: shame because it's a cracking little machine!


Russ

Norman_Castle

I use a £5 Morrisons kettle. It boils water at the same cost of other kettles but was cheap to buy.

pitkin2020

this is one of those items that is never going to be energy efficent. A 1kw kettle will use just as much energy as 500w kettle the only difference is how long it takes to boil the water.

Davesnave

My kettle costs nothing to run. I just put it on top of the Aga and it stays hot all winter.

Simples.

HappyMJ

pitkin2020 wrote: »

this is one of those items that is never going to be energy efficent. A 1kw kettle will use just as much energy as 500w kettle the only difference is how long it takes to boil the water.

Which did a review of this a while ago.

A 3kw kettle is more efficient at heating one litre of water than a 2400W kettle due to less heat being lost from the water during the shorter boiling process.

HappyMJ

Davesnave wrote: »

My kettle costs nothing to run. I just put it on top of the Aga and it stays hot all winter.

Simples.

Isn't it more efficient to leave to the Aga covers down though? All that heat lost by having the cover up with the kettle on one has to be replaced and that uses energy.