HUBBELL ME65HPT vs VAUGHN THERMAL MP55FHPT: which uses less energy?
At the medium draw pattern the HUBBELL ME65HPT uses 973 kWh a year and the VAUGHN THERMAL MP55FHPT 984 — 12 kWh (1%) less, about 118 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 medium draw pattern.
| Figure | HUBBELL ME65HPT | VAUGHN THERMAL MP55FHPT |
|---|---|---|
| UEF (Uniform Energy Factor) | 3.34 (better) | 3.3 |
| Energy use per year (kWh) | 973 (better) | 984 |
| First hour rating (gal) | 70 | 62 |
| Rated storage volume (gal) | 57 | 55 |
| Installed cost range | $3,366–$4,103 | $3,297–$4,045 |
| ENERGY STAR certified | yes | yes |
| Sound level (dB) | 54 | 54 |
| Refrigerant | R-134a, GWP 1430 | R-134a, GWP 1430 |
| On the market since | 2023-09-01 | 2025-06-01 |
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 HUBBELL ME65HPT since 2023-09-01, the VAUGHN THERMAL MP55FHPT since 2025-06-01. A sale date, not a lifespan.
Which should you pick?
- Pick the HUBBELL ME65HPT if running cost matters most: it uses 12 kWh less a year on the same test.
- Pick the VAUGHN THERMAL MP55FHPT if it is the one you can get installed sooner or for less — on the filed figures it has no advantage over the HUBBELL ME65HPT.
- Neither if your household's busiest hour needs more than 70 gallons of hot water — neither lists more.
Each model on its own
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HUBBELL ME65HPT
Its filed figures, class position and running cost on your ZIP.
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VAUGHN THERMAL MP55FHPT
Its filed figures, class position and running cost on your ZIP.