MARATHON MRG85245 vs Ruud MRG85238: which uses less energy?
At the high draw pattern the MARATHON MRG85245 and the Ruud MRG85238 use the same energy, 5,392 kWh a year each, on the same federal test. Both are filed as an electric tank your utility can shift to off-peak hours, so the comparison holds; what separates them is below. Enter your ZIP to price either one on your own rate.
Side by side
Compared within one class only: models filed as an electric tank your utility can shift to off-peak hours at the high draw pattern.
| Figure | MARATHON MRG85245 | Ruud MRG85238 |
|---|---|---|
| UEF (Uniform Energy Factor) | 0.92 | 0.92 |
| Energy use per year (kWh) | 5,392 | 5,392 |
| First hour rating (gal) | 77 | 76 |
| Rated storage volume (gal) | 84 | 84 |
| Installed cost range | not published | not published |
| ENERGY STAR certified | not matched | not matched |
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.
- The actual warranty term is printed in each model’s documentation, not in any registry.
Which should you pick?
- Pick the MARATHON MRG85245 if its price or availability suits you — on energy the two are level.
- Pick the Ruud MRG85238 if it is the one you can get installed sooner or for less — on the filed figures it has no advantage over the MARATHON MRG85245.
- Neither if your household's busiest hour needs more than 77 gallons of hot water — neither lists more.
Each model on its own
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MARATHON MRG85245
Its filed figures, class position and running cost on your ZIP.
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Ruud MRG85238
Its filed figures, class position and running cost on your ZIP.