A residential Hot Water Recirculating Pump can keep water from being wasted while you wait for the tap to run hot. Using the bathroom faucet connections, these pumps circulate water back to the water ...

Q: I have a plumbing issue that has been driving me crazy since I moved into my present home. My hot-water heater is in the garage, and my master shower is on the opposite side of the house. I end up ...

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.