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Homes which need to have hot water

Homes which need to have hot water in more than one place at the same time. Combustion efficiency simply indicates the flue gas loss boiler efficiency also includes the blowdown and standby losses whether comparing new or existing boilers, their most efficient operating point is usually somewhere between 60-90% load typically, gas boilers exhibit larger standby loss because of the flue, which has a chimney effect for.

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