Understanding Heat pump Water Heater Specs
When a water heater specification says that, e.g., the UEF is 3.39 and the recovery rate is 21 GPH, which mode(s) are those for? Are they both for the default mode? Or are they allowed to pick and choose the best-looking mode for each value so the UEF is 3.39 if you use the heat pump only mode but the recovery rate is 21 GPH only in the HP + electric mode?
Here are some example specifications:
Bradford White AeroTherm: https://s3.amazonaws.com/bradfordwhitecorp/wp-content/uploads/brochure_aerotherm_athrmb.pdf,
Rheem PROTERRA https://s3.amazonaws.com/WebPartners/ProductDocuments/FABA4C3B-688B-48B7-820D-C2179C539B04.pdf
The main impetus behind the question is wanting to know the actual first hour and recovery rates we’re likely to see in practice so we can ensure the unit is the right size and have an idea of how long it’s going to be running each day.
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