To save energy and money on your household bills insulate your hot and cold water cylinder. Both can be done easily.
The easiest way to insulate a cold-water tank is to use a ready-made plastic insulation jacket that has fibre-glass padding. However, you can make your own jacket by using hardboard & roof insulation roll. Cut them to fit the sides & the lid of the tank, then glue the insulating material to the hardboard. Secure the panels around the tank with a piece of string. Alternatively put pieces of insulating material into black dustbin bags to create blankets. Wrap the blankets around the tank and tie them with string.
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