Data through June 2026
Water Heaters (Electric) · 14 certified models
LG
This data covers 14 certified LG — annual running costs span $159 to $233 at national-average rates (median $222; the whole-category median is $222).
All certified models
| # | Model | kWh/yr | $/yr (US avg) |
|---|---|---|---|
| 1 | LG R5TT20F-SA0 (208V) | 866 | $159 |
| 2 | LG R5TT20F-SA0 (240V) | 866 | $159 |
| 3 | LG APHWC502D | 1,181 | $217 |
| 4 | LG APHWC502L | 1,181 | $217 |
| 5 | LG APHWC502M | 1,181 | $217 |
| 6 | LG APHWC802D | 1,210 | $222 |
| 7 | LG APHWC802L | 1,210 | $222 |
| 8 | LG APHWC802M | 1,210 | $222 |
| 9 | LG APHWC501D | 1,262 | $231 |
| 10 | LG APHWC501L | 1,262 | $231 |
| 11 | LG APHWC501M | 1,262 | $231 |
| 12 | LG APHWC801D | 1,272 | $233 |
| 13 | LG APHWC801L | 1,272 | $233 |
| 14 | LG APHWC801M | 1,272 | $233 |
Other brand facets
Questions, answered with the data
- How much does it cost to run LG water heaters (electric)?
- Among 14 certified models in this data, LG water heaters (electric) cost $159 to $233 a year to run at the U.S. average electricity rate (18.3¢/kWh) — a median of $222.
- Do LG water heaters (electric) cost more or less than the average electric water heater?
- The median model here runs $222 a year, 0% less than the $222 median across all certified water heaters (electric).
- What's the cheapest model among LG water heaters (electric)?
- The LG R5TT20F-SA0 (208V) costs about $159 a year at the U.S. average rate (866 kWh/yr) — the lowest certified figure in this group.
- What does the certified annual-kWh figure assume for water heaters (electric)?
- The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.