Keep your showers short and use a cold cycle to do your washing. Dripping hot taps could cost you hundreds of dollars a year so make sure they are fixed, and consider turning your hot water cylinder off when you go on holiday. recent years, small changes in your behaviour can add up to big energy savings if you’re with the right company. Electric Kiwi CEO Luke Blincoe says: ‘‘We give all our customers a free hour of ‘offpeak’ power every day. So we have seen smart customers saving 10 per cent on average by timing when they’re doing everything from cooking and drying clothes, to heating their house – all for free within their ‘hour of power’.’’ way of using electricity to heat your home, and also double as an air conditioner in the heat of summer. when you jump in. Better yet, set a timer on it to turn on and off.