Including the closely related term waste.
…. Shower drain waste water heat recovery Individual heat pumps fed by ambient temp communal loop supplying radiators at 55˚C. 150 litre DHW tank Individual heat pumps fed by ambient temp communal loop supplying radiators at 55˚C. 150 litre DHW tank Individual heat pumps fed by ambient temp communal loop supplying radiators at 45˚C. 150 litre DHW tank Individual heat pumps fed…