DoesTheMath

FRIEDRICH PROPH50 T0 RH120-M

3 UEF DOE CCD · 2026-09-19
C

Grade C: where this UEF sits among the 426 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set

An electric tank, medium draw pattern (a typical three- or four-person household, about 55 gallons on a busy morning).

If you are checking this FRIEDRICH PROPH50 T0 RH120-M against the registry, it uses 1,083 kWh of electricity a year at the medium draw pattern, the standard daily hot-water usage DOE tests against. That is 2,448 kWh below the class median of 3,531 kWh across 426 electric tank models at that draw pattern.


Energy use per year

1,083 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 3,531 kWh for the 426 models registered in the same heater type and draw pattern; it ranks 116 of 426, lowest energy first.

This model: 1,083 kWh

Solid line: this model (1,083 kWh). Dashed line: the class median.

Min 773 kWh Median 3,531 kWh Max 3,569 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
3 DOE CCD · 2026-09-19 Compared only with other models registered as an electric tank at the medium draw pattern.
Draw Pattern the standard daily usage profile DOE tests the unit against
Medium 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
55 gal DOE CCD · 2026-09-19
Rated Storage Volume the tank size in gallons
46 gal DOE CCD · 2026-09-19
On the market since (ENERGY STAR) the date the manufacturer told ENERGY STAR the model went on sale
2022-04-21 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

$2,970–$3,660 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 numbers210°F min
  • Physical footprintEnter your numbers18" ⌀
  • Electrical supplyEnter your numbers120V, 4.5A max
ENERGY STAR · 2026-09-19

What these figures mean

The 1,083 kWh figure is computed by this site, not published by the registry. It uses the registry's UEF, the ratio of hot water delivered to energy used, which is 3 for this model. That value is combined with the daily hot-water draw the DOE test assigns to the medium draw pattern, which represents a typical medium-sized household on a busy morning. The source is the DOE CCD, retrieved 2026-09-19. The figure covers electricity only and holds at that standard draw. A household that uses more or less hot water than the test assumes will see a different result. The calculation method sets out how these inputs are combined.

Among the 426 models registered as an electric tank at the medium draw pattern, this unit has the 116th lowest energy use of 426. The class median is 3,531 kWh, so this model sits 2,448 kWh below it, in the second-lowest quarter of its class for energy use. The comparison holds only for electric tanks tested at the same draw pattern. It does not describe capacity or performance outside the test. A plumber or seller confirming a listing can use the rank as a check on the registry entry. To look at units in the same class, you can find a same-class replacement by model number.

Running cost is not stated in this text because it depends on your own utility electricity rate. To check a quoted figure, multiply 1,083 kWh by your tariff, or use the cost calculator to compute it from your ZIP. Capacity is a separate question from energy use. The first hour rating, the gallons of hot water available in the first hour from a full tank, is 55 gallons for this model, and the rated volume is 46 gallons. A household whose peak-hour demand exceeds that first hour rating should not rely on the energy figure alone. The water heater selector filters by fuel, space and size.

DOE CCD · 2026-09-19

How this compares

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


Keep going

UEF 3 · Grade C Price it on your ZIP