Vented vs. Unvented Mechanical Room for Heat-Pump Water Heater in Cold Climate
Hello – Designing an energy efficient home in northern Wisconsin with a crawl space. I want to use a Rheem HPWH, but should I leave it unvented in a conditioned mechanical room or vent it (in and out) to the crawl space? So many conflicting opinions on this on the web and the Rheem website is of no help. Thanks!
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