Q: I am having a problem with hot water in my 2-year-old house. My bathroom and water heater are located on opposite sides of the house, and I have to wait forever to get hot water for a shower. I ...

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.