Rainwater on the roof usually flows into gutters and downpipes and into stormwater drains to become part of the wastewater system. But rainwater is ideal for watering gardens, flushing toilets and ...

Apart from heating and cooling the house, water heating is one of the biggest energy drains in the average home. But what if you could literally use cold water to create hot water? That’s just what ...

A water heater is one of those home appliances that you don't think about until it stops working. However, a water heater can be a major energy eater, whether you're buying one for a new home or ...