n Indian homes, reliable hot water supplies for Rain Water Showers, Jaccuzi or daily bathing has a significant cost. Conventional hot water heaters can account for up to 30% of household energy use and can be significant carbon emitters.
One alternative is solar hot water, which can reduce energy bills by 50-85%, as well as lowering carbon emissions.
Unfortunately, this system needs a boost with gas or electricity when the sun isn’t shining or hot water demand is high or stored hot water is used in the evening.
… being green is not always as straightforward as it may seem.