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Storage heater alternative.... Infrared vs lpg vs Air source heat pump
in LPG, heating oil, solid & other fuels
83 replies 3.2K views
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Even electric heaters (unless thay have fans in them) work like radiators and heat your head rather than your feet and get just as hot as hot water rads so what point are you trying to make.
Just do the sums - if it takes around 3kwh to heat 50litres of water 50 degrees. = 3kwh at 15p for leccy = 45p and let's be generous and say that your gas boiler is around 50% efficient, so you'd need 6kwh of gas at 3p/kwh = 18p
Previously I had a combi boiler and 22 mm pipes and I had to run-off a bucket and a half of water (which is about 27 litres) before the hot tap at the other end of the house to the boiler ran hot. So perhaps my 15 litres calculation is too optimistic?