Appliances / Heat pump water heaters / Smart Solar
Smart Solar SSG2-ES 120
120 gal · split-system heat pump water heater
Check the price at the store, then add $4,117 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 $4,117 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 Smart Solar SSG2-ES 120
The Smart Solar SSG2-ES 120 is a 120 gal split-system heat pump water heater certified by ENERGY STAR. Its official test figure is 1,741 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $317 a year, or $4,117 over a typical 13-year life.
For the same hot water, a standard electric tank water heater would use about 5,393 kWh a year, so this model uses 68% less electricity and saves about $664 a year.
Among 100 split-system models it ranks #100 for running cost. The cheapest model of this type would save $2,507 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 Reclaim Energy MP120F-RC uses 1,296 kWh a year and would save about $1,052 over 13 years.
Cost to run where you live
1,741 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 66 gallons and up model ranked.
| Reclaim Energy MP120F-RC | 119 gal | $236/yr | saves $1,052 |
| VAUGHN THERMAL MP120F-RC | 119 gal | $236/yr | saves $1,052 |
| SANCO2 GS5-45HPC-D HP + ECO-119GLBK | 119 gal | $242/yr | saves $965 |
| SANCO2 GS5-45HPC HP + ECO-119GLBK | 119 gal | $242/yr | saves $965 |
Specs
| Brand | Smart Solar |
| Model | SSG2-ES 120 |
| Type | split-system |
| Energy use | 1741 kWh / year |
| Federal maximum for this type | 5393 kWh / year |
| Size | 120 gal |
| Width | 28 in |
| Tank size | 120 gal |
| First-hour rating | 83 gal |
| Efficiency (UEF) | 2.85 |
| Usage pattern | High-Usage |
| Voltage | 120 |
| Tank height | 64 in |
| Tank diameter | 28 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 Smart Solar SSG2-ES 120 cost to run?
About $317 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 1,741 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 Smart Solar SSG2-ES 120 cost in electricity over its life?
About $4,117 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 Smart Solar SSG2-ES 120 energy efficient?
Yes. It is ENERGY STAR certified and uses 68% 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 Reclaim Energy MP120F-RC uses 1,296 kWh a year, about $1,052 less in electricity over 13 years.
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