Thread: older/newer GCH radiator efficiency?
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Vir Campestris Vir Campestris is offline
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Default older/newer GCH radiator efficiency?
On 17/06/2020 12:38, wrote:
Feel free to tell us where the inefficiency is in an oil filled radiator. (I think we can assume it doesn't get so hot as to glow.)

Of course they glow. Pretty much everything glows.

Just not necessarily in the visible spectrum. (And IIRC glass reflects
most long-wave infrared to help keep it in the house.)

Andy
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