DoesTheMath

Ruud PROPH80 T2 RH400-30

4.07 UEF DOE CCD · 2026-09-19
B

Grade B: where this UEF sits among the 194 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set

An electric tank, high draw pattern (a larger household, or one where showers and laundry overlap).

You are checking a Ruud PROPH80 T2 RH400-30 against its listing. At the high draw pattern, the standard daily hot-water usage DOE tests against, it uses 1,219 kWh of electricity a year. That is 87 kWh below the class median of 1,306 kWh across 194 electric tank models.


Energy use per year

1,219 kWh a year

Computed by this site from the registry's UEF and the federal test's daily hot-water draw for this draw pattern. What it costs depends on the electricity rate where you live.

That is below the median of 1,306 kWh for the 194 models registered in the same heater type and draw pattern; it ranks 14 of 194, lowest energy first.

This model: 1,219 kWh

Solid line: this model (1,219 kWh). Dashed line: the class median.

Min 1,002 kWh Median 1,306 kWh Max 5,334 kWh

DOE CCD · 2026-09-19

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What it costs to run where you live

Enter your ZIP to see what this unit costs to run a year on your own utility’s electricity rate.


What the registry files

UEF (Uniform Energy Factor) how much hot water you get for each unit of energy the heater uses
4.07 DOE CCD · 2026-09-19 Compared only with other models registered as an electric tank at the high draw pattern.
Draw Pattern the standard daily usage profile DOE tests the unit against
High DOE CCD · 2026-09-19
First Hour Rating how many gallons of hot water the unit can deliver in one hour, starting from a full tank
87 gal DOE CCD · 2026-09-19
Rated Storage Volume the tank size in gallons
72 gal DOE CCD · 2026-09-19
On the market since (ENERGY STAR) the date the manufacturer told ENERGY STAR the model went on sale
2024-06-24 ENERGY STAR · 2026-09-19
Connected / demand response (ENERGY STAR) whether the unit can take signals from your utility to shift when it heats, and by which standard (such as CTA-2045)
No ENERGY STAR · 2026-09-19
Refrigerant and GWP (ENERGY STAR) the refrigerant a heat pump unit uses and its global warming potential, a leak's climate effect relative to carbon dioxide (CO2 = 1)
R-134a, GWP 1430 ENERGY STAR · 2026-09-19

What it costs to install

$3,936–$4,975 installed

Not a quote — a modeled range of what installers have charged for this class of unit; your price will vary with labor rates, access, and local code requirements.

Escalation indexes: equipment (BLS PPI) latest available: August 2026; labor (BLS ECI) latest available: April 2026 to June 2026.

NLR REMDB (BLS PPI/ECI escalated) · 2026-04-01

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Safety record

No CPSC recall names this model.

Checked against the CPSC recall database. CPSC does not publish a model-level match for this product category, so this list is curated by hand from the manufacturer's recall filings.

CPSC · 2026-09-24

Does it fit your space?

Enter your own numbers below — this compares them to what ENERGY STAR publishes for this model, it does not tell you what to buy.

Compressor operating range (ENERGY STAR)
the air temperatures around the unit in which its heat pump runs; outside this range the heat pump stops
Dimensions (ENERGY STAR)
the unit's filed height, width, depth or tank diameter, in inches
Input voltage and maximum current (ENERGY STAR)
the circuit voltage the unit is certified on and the most current it draws
  • Ambient temperatureEnter your numbers37°F min
  • Physical footprintEnter your numbers24.3" ⌀
  • Electrical supplyEnter your numbers240V, 21A max
ENERGY STAR · 2026-09-19

What these figures mean

The 1,219 kWh figure is computed by this site, not by the registry. This site combines the registry's UEF, the ratio of hot water delivered to energy used, with the DOE test's daily hot-water draw. The model's UEF is 4.07. The source is DOE CCD, retrieved 2026-09-19. The figure is in kWh of electricity, the fuel this electric tank uses. It holds only for the high draw pattern. Inlet water temperature and actual hot-water use will move real consumption away from it. The steps of the calculation are set out in the water heater cost methodology.

Among the 194 models registered as an electric tank at the high draw pattern, this model ranks 14th lowest for energy use. That places it in the lowest quarter of its class. Its 1,219 kWh is 87 kWh below the class median of 1,306 kWh. The comparison covers energy use only. The high draw pattern describes a larger household, or one where showers and laundry overlap, so the figure fits that use. Its first hour rating, the gallons of hot water available in the first hour from a full tank, is 87 gallons. The rated volume is 72 gallons. A household with lighter hot-water use falls under a different draw pattern, and this page gives no energy figure for it.

The running cost is not stated in this text, because it depends on your own utility electricity tariff. The cost calculator on your own ZIP applies your local rate to the 1,219 kWh figure at the high draw pattern. At a higher rate, the 87 kWh gap from the class median of 1,306 kWh is worth more. At a lower rate, it is worth less. The installed price range appears in its own block on this page, with its source and date. It is a modeled installed-cost range, not a quote. To look at another unit in the same class, use the same-class replacement search by model number.

DOE CCD · 2026-09-19

How this compares

The closest models in the same class — same fuel, type and draw pattern.


Keep going

UEF 4.07 · Grade B Price it on your ZIP