LG R5TT20F-SA0 (240V) Running Cost (Electric Water Heater)
LG R5TT20F-SA0 (240V): running cost
ENERGY STAR certifies the LG R5TT20F-SA0 (240V) at 866 kWh/yr, cheaper than most models in its category to run for its category.
That $163 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
How the LG R5TT20F-SA0 (240V) compares to other electric water heaters
Against the category average of 1,105 kWh/yr, this model uses 21.6% less, ranking 103 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $45/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the LG R5TT20F-SA0 (240V) on that list: LG R5TT20F-SA0 (208V) ($163/yr, 866 kWh/yr) runs slightly less, while AMERICAN STANDARD WATER HEATERS ASHPWH-50 ($163/yr, 867 kWh/yr) runs slightly more.
Within the LG lineup
Ranked 2 of LG's 14 certified electric water heaters, this sits between the R5TT20F-SA0 (208V) ($163/yr, the brand's cheapest) and the APHWC801M ($239/yr, its priciest).
Cost over its typical lifespan
Over the 11-year service life NAHB reports for this category, running the LG R5TT20F-SA0 (240V) costs roughly $1,791 in electricity, separate from the purchase price.
Is it worth replacing?
Efficient as certified electric water heaters go, $163/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified electric water heaters before buying.
If you're keeping it
The LG R5TT20F-SA0 (240V) already costs $163/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
How this was checked
Ranked 103 of 596, the LG R5TT20F-SA0 (240V) sits in the middle of the electric water heater category, see the guide to why your state changes this number for the other half of the math. The 866 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.