Appliances / Heat pump water heaters / LG
LG APHWC501D
53 gal · 240-volt integrated heat pump water heater · 3 colour/finish versions
Check the price at the store, then add $2,984 of electricity to get the true cost. We may earn a commission if you buy through these links; as an Amazon Associate we earn from qualifying purchases.
- Price. Check what it costs at the store.
- Plus running cost. Add $2,984 of electricity over 13 years. That is the part the price tag hides.
- Compare. Pick your state below, then check the cheaper-to-run models of the same size.
About the LG APHWC501D
The LG APHWC501D is a 53 gal 240-volt integrated heat pump water heater certified by ENERGY STAR. Its official test figure is 1,262 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $230 a year, or $2,984 over a typical 13-year life.
For the same hot water, a standard electric tank water heater would use about 5,391 kWh a year, so this model uses 77% less electricity and saves about $751 a year.
Among 371 240-volt integrated models it ranks #283 for running cost. The cheapest model of this type would save $1,464 in electricity over 13 years, though it may differ in size and features.
If you want the same type and a similar size for less to run, the A. O. Smith HPS10-50H45DV 2 series uses 831 kWh a year and would save about $1,019 over 13 years.
Cost to run where you live
1,262 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.
Cheaper to run, same type and size
Or see every 50 to 65 gallons model ranked.
| A. O. Smith HPS10-50H45DV 2 series | 46 gal | $151/yr | saves $1,019 |
| A. O. Smith HPSN10-50H45DV 2 series | 46 gal | $151/yr | saves $1,019 |
| A. O. Smith HPTS-50 2 series | 46 gal | $151/yr | saves $1,019 |
| American HPS10250H045DV 2 series | 46 gal | $151/yr | saves $1,019 |
Specs
| Brand | LG |
| Models | APHWC501D, APHWC501L, APHWC501M |
| Type | 240-volt integrated |
| Energy use | 1262 kWh / year |
| Federal maximum for this type | 5391 kWh / year |
| Size | 53 gal |
| Width | 19.7 in |
| Tank size | 53 gal |
| First-hour rating | 76 gal |
| Efficiency (UEF) | 3.93 |
| Usage pattern | High-Usage |
| Voltage | 240 |
| Tank height | 47.6 in |
| Tank diameter | 19.7 in |
Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.
Questions people ask
How much does the LG APHWC501D cost to run?
About $230 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 1,262 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.
How much will the LG APHWC501D cost in electricity over its life?
About $2,984 over 13 years, a typical life for a heat pump water heater. Add that to the price you pay to get the true cost to own.
Is the LG APHWC501D energy efficient?
Yes. It is ENERGY STAR certified and uses 77% less electricity than a standard electric tank water heater.
Is there a cheaper water heater to run of the same type and size?
Yes. The A. O. Smith HPS10-50H45DV 2 series uses 831 kWh a year, about $1,019 less in electricity over 13 years.
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