Ruud PROPH65 T0 RH120-M

It holds 59 gallons in the test, 6 gallons less than its 65-gallon sold size. Starting full, it gives 63 gallons of hot water in its first hour of use. Its tank holds 59 gallons, so reheating adds 4 gallons during the first hour. Among 481 heat pump models, 366 have a higher first-hour rating. Among heat pump models, the median first-hour rating is 72 gallons.

Under this basic model, 2 model numbers are ENERGY STAR certified. In the test, it gives 3.12 units of hot water energy per unit it uses (its UEF). Pulling heat from the air lets its UEF pass 1. The daily hot water use in the test, called its draw pattern, was medium. Its UEF is lower than that of 204 of the 226 heat pump models with its draw pattern. For its type and draw pattern, the UEF runs from 2.59 to 4.23. When it reheats water in the test, the water gains 398% of the energy it uses.

It is sold as PROUH65 T0 RU120-M and PROUH65 T0 RU120-MSO. There are 3 more basic models with the same test figures. Of those, one or more are under the Friedrich, Rheem, and Richmond brands. For the full group, see the Rheem PROPH65 T0 RH120-M.

It may qualify for 18 rebate programs in 19 states. It may qualify for 6 more if it meets terms its figures do not show.