hi there.i have a 100L electric water heater (similar to
) in my yard
which i was thinking of insulating by wrapping it in fibreglass wool
insulation and spraying evo-stick foam in the gaps. the idea is to cut
down on heat losses.
then i started thinking....does the majority of heat escape through
the walls which i will be trying to insulate? or does it escape
through the hot water piping which i cant really stop happening?
The majority goes through the walls. However, a significant amount will be
lost through the pipes, which should be lagged (insulated) for some distance
from the heater with foam. About 60cm/2 foot should do it. (There's no harm
in lagging more). The lagging will also make the pipework more resistant to
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