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Gordon Booth · 23-09-2010, 17:56

MargaretR, it takes a certain amount of energy to heat a room.Whatever system you use it will take the same amount of energy(gas?) to bring your room to the required temperature. IF the booster makes your radiator 50% more efficient the water going back to your boiler will be colder therefore your boiler switch on more(although the room COULD heat up a little quicker). The radiator is already a convector, so a fan(which blocks off the top of the radiator and therefore stops the NATURAL convection) can't help a lot. And how can it stop heat going into the wall? That's already happened before the hot air reaches the top where the fan is! Also if it costs 30p/year(thats 3 hundredths of 1 penny/day) to run, its not using enough electricity to light a glow-worm so you're not getting a blast of hot air, are you? Also your £17 will buy you a lot of heat.
If you turn your thermostat down 2 degrees then your room will be 2 degrees colder,logical.
Mattylads ideas will save you a lot more, put turkey foil behind your radiator if it worries you.

23-09-2010, 17:56	#5
Gordon Booth Senior Member+ Join Date: Jul 2010 Posts: 2,402 Liked: 715 times Rep Power: 46614	Re: Energy saving gadgets/tips MargaretR, it takes a certain amount of energy to heat a room.Whatever system you use it will take the same amount of energy(gas?) to bring your room to the required temperature. IF the booster makes your radiator 50% more efficient the water going back to your boiler will be colder therefore your boiler switch on more(although the room COULD heat up a little quicker). The radiator is already a convector, so a fan(which blocks off the top of the radiator and therefore stops the NATURAL convection) can't help a lot. And how can it stop heat going into the wall? That's already happened before the hot air reaches the top where the fan is! Also if it costs 30p/year(thats 3 hundredths of 1 penny/day) to run, its not using enough electricity to light a glow-worm so you're not getting a blast of hot air, are you? Also your £17 will buy you a lot of heat. If you turn your thermostat down 2 degrees then your room will be 2 degrees colder,logical. Mattylads ideas will save you a lot more, put turkey foil behind your radiator if it worries you.