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[Technology Connections] My water heater is cooler than yours (www.youtube.com)
submitted 3 weeks ago by to c/solarpunk@slrpnk.net
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[–] 2 points 3 weeks ago (2 children)

Kinda curious how much of a difference to efficiency you get with it being vented. Mine has a massive fan and heat sink on it and that sits outside. Surely limits the potential airflow unless you have a 1m wide hole in the side of your house.

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  • [–] 2 points 3 weeks ago* (1 child)

    I have two 8 inch penetrations that are ducted directly to the water heater, an inlet and exhaust. During summer I imagine I'm getting fantastic efficiency with source air being from outside at 80+ degrees (F). In winter we do have occasional freezing temps but usually above 40ish. I don't have hard efficiency numbers but I've had it for over a year now and have definitely noticed savings on my monthly electric bill.

    I should mention the water heater is in a closet, hence why it's ducted.

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