Those words spurn up a variety of thoughts and feelings. To some, hot water is the metaphorical comparison of being in trouble. To others, hot water is comforting, as it reminds them of the nice ...

A group of scientists at the University of Cordoba, in Spain, has developed a photovoltaic system design for hot water production that is claimed to use around 95% of the available energy it can ...

Q. During the past year, our hot water pipes have developed four leaks under the house. With each occurrence, the ground area below the building has become soaked, causing moisture damage to the ...

Heat pumps are increasingly used for domestic hot water in Europe due to their efficiency and compatibility with solar power, but their lower operating temperatures can create conditions where ...

Technology in houses allows nearly instant control of its systems. Remote sensors and chips built into appliances even permit off-on control from a distance — with one exception: hot water. Waiting ...

Pablo Päster is an energy and sustainability management consultant who wrote a weekly advice column for Treehugger from 2009-2012. Dear Pablo: I am considering getting a hot water recirculation pump.