"Curt thanks for all the info. I have run a Seisco electric unit and a heat pump unit on two different solar hot water systems I own both have 100 gallon solar storage. The Seisco work great if its only doing peaking once and while and there…"
"Comment to Kurt Albershadt: Hello Kurt, we have data that shows that a high use, (family of 4), (not ducted 50 gallon unit, located in a basement utility space) HPWH does not in fact significantly lower the temperature in an unfinished…"
"Heat pump water heaters installed in unfinished basements produce hot water efficiently and remove dampness during humid months when the dew point outside is above 55 degrees. If there are 3-4 people taking showers and using normal amounts of hot…"
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A presentation by Greg Labbé in April 2014 on retrofitting vintage home for energy efficiency. He talked about basic building science, brick houses, movement of heat energy and moisture in and out of the house, air barrier and water barrier, house…