New Water Heater Design

Send us Fan Mail Dr. David Yashar, National Institute of Standards and Technology (NIST), talks about a new water heater design that helps keep pathogens at bay by raising the heat to at temperature that kills essentially all concerning bacteria. Normally these temperatures would be dangerously hot for human skin, so the new design cheaply and efficiently brings the decontaminated hot water back down to a safe temperature. Heat pumps struggle in colder weather — but hybrid heat pump sol...