Lochinvar LHPCO-45 1**+LXST-50T 1**: $194 a year to run

This model (Water heaters) uses 923 kWh of electricity a year, which costs about $194 a year and $1,940 over 10 years at 21.0¢/kWh.

Energy use
923 kWh
per year
Running cost per year
$194
21.0¢/kWh
Running cost over 10 years
$1,940
Efficiency rank
284 / 705

Product details

TypeHybrid/Electric Heat Pump
Heat pump typeSplit System HPWH
FuelElectric
RefrigerantR-744 (CO2)
Available sinceFebruary 13, 2026

Compared with the average model (Water heaters), this one saves about $33 a year.

More efficient alternatives

Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology