A. O. SMITH HPTV-80 2** vs STATE HPTU-80N 1**: which uses less energy?
At the high draw pattern the STATE HPTU-80N 1** uses 1,438 kWh a year and the A. O. SMITH HPTV-80 2** 1,654 — 216 kWh (13%) less, about 2,157 kWh over ten years. Both are filed as an electric tank, so the comparison holds. Enter your ZIP below to price the difference.
Side by side
Compared within one class only: models filed as an electric tank at the high draw pattern.
| Figure | A. O. SMITH HPTV-80 2** | STATE HPTU-80N 1** |
|---|---|---|
| UEF (Uniform Energy Factor) | 3 | 3.45 (better) |
| Energy use per year (kWh) | 1,654 | 1,438 (better) |
| First hour rating (gal) | 93 | 86 |
| Rated storage volume (gal) | 82 | 82 |
| Installed cost range | not published | not published |
| ENERGY STAR certified | yes | yes |
| Sound level (dB) | 45 | not filed |
| Refrigerant | R-513A, GWP 630 | R-134a, GWP 1430 |
| On the market since | 2023-07-10 | 2019-04-05 |
What it costs to run
Reliability
Not published: Reliability, failure rates and each model’s actual warranty term.
The registries these figures come from certify energy performance under a federal test; none of them records how long a unit lasts or how often it fails, so this page does not rank the two on reliability.
What is here instead:
- The filed efficiency, capacity and tank size of both models, side by side below.
- Both are ENERGY STAR certified, which requires a manufacturer warranty of at least six years; the actual term for each model is not published.
- Time on the market, as filed with ENERGY STAR: the A. O. SMITH HPTV-80 2** since 2023-07-10, the STATE HPTU-80N 1** since 2019-04-05. A sale date, not a lifespan.
Which should you pick?
- Pick the STATE HPTU-80N 1** if running cost matters most: it uses 216 kWh less a year on the same test.
- Pick the A. O. SMITH HPTV-80 2** if you need more hot water in your busiest hour: it lists a first hour rating of 93 gallons against 86.
- Neither if your household's busiest hour needs more than 93 gallons of hot water — neither lists more.
Each model on its own
-
A. O. SMITH HPTV-80 2**
Its filed figures, class position and running cost on your ZIP.
-
STATE HPTU-80N 1**
Its filed figures, class position and running cost on your ZIP.