A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) vs Lochinvar Heat Pump 65-Gallon (HPPA065KD 2)

The A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) is the more efficient unit: UEF 3.88 versus 3.84 — about 1% less energy for the same hot water. At national average rates that works out to about $217/year for the A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) against $220/year for the Lochinvar Heat Pump 65-Gallon (HPPA065KD 2) — a $3 annual difference. The A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) delivers more hot water in the peak hour (95 gal first-hour rating vs 83 gal).

A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) Lochinvar Heat Pump 65-Gallon (HPPA065KD 2)
Uniform Energy Factor (UEF) 3.88 3.84
Fuel Electric Electric
First-hour rating 95 gal 83 gal
Rated storage volume 81 gal 68 gal
Draw pattern High High
Annual electricity use 1279 kWh/yr 1292 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 22 A 22 A
Recovery efficiency 428 % 435 %
Smart / connected capable Yes Yes
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 37 °F 37 °F
Height 69 in 61 in
Diameter 27 in 23 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) or the Lochinvar Heat Pump 65-Gallon (HPPA065KD 2)?

The A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2): about $217/year versus $220/year for the Lochinvar Heat Pump 65-Gallon (HPPA065KD 2) at national average rates — a $3 annual difference.

Are the A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) and Lochinvar Heat Pump 65-Gallon (HPPA065KD 2) both ENERGY STAR certified?

Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.