VAUGHN THERMAL ME80HPT

It holds 74 gallons in the test, 6 gallons less than its 80-gallon sold size. Starting full, it gives 86 gallons of hot water in its first hour of use. Its tank holds 74 gallons, so reheating adds 12 gallons during the first hour. Among 481 heat pump models, 100 have a higher first-hour rating. The median heat pump model gives 72 gallons in the first hour of the test.

It has 2 model numbers that are ENERGY STAR certified. In the test, it gives 3.48 units of hot water energy per unit it uses (its UEF). Pulling heat from the air lets its UEF pass 1. In the test, daily hot water use was set to high (its draw pattern). Among 237 heat pump models on its draw pattern, 192 have a higher UEF. A UEF of 3.88 is the median for its type and draw pattern. When it reheats water in the test, the water gains 365% of the energy it uses.

It is the basic model for ME80HPT and ME80HPT-CN. There are 2 more basic models with the same test figures. Those basic models are sold with Hubbell and Noritz as their brand names. You can find the whole group on the page for the Hubbell ME80HPT.

It may qualify for 17 rebate programs in 17 states. Another 5 programs may accept it if it meets their other terms.