I have a new mini-split ac installed in a new server room. It has a water pump under it on the wall to vacuum out the condensation water through a 1-3 cm hose outside about 50 feet. Am I worried for ...

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.

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