Kepler US3-RSJ-15/300RDVN3-L3
4 UEF DOE CCD · 2026-09-19Grade 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).
If you are checking this water heater's figures, Kepler US3-RSJ-15/300RDVN3-L3 uses 1,240 kWh of electricity a year at the high draw pattern, the standard daily hot-water usage DOE tests against. That is 66 kWh below the class median of 1,306 kWh among 194 electric tank models.
Energy use per year
1,240 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 30 of 194, lowest energy first.
Solid line: this model (1,240 kWh). Dashed line: the class median.
Min 1,002 kWh Median 1,306 kWh Max 5,334 kWh
What it costs to run where you live
What the registry files
- UEF (Uniform Energy Factor) how much hot water you get for each unit of energy the heater uses
- 4 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
- 91 gal DOE CCD · 2026-09-19
- Rated Storage Volume the tank size in gallons
- 74 gal DOE CCD · 2026-09-19
- On the market since (ENERGY STAR) the date the manufacturer told ENERGY STAR the model went on sale
- 2024-05-30 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)
- Yes (CTA-2045-B) 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
- Sound level (ENERGY STAR) how loud the unit is while it runs, in decibels as filed
- 49 dB ENERGY STAR · 2026-09-19
What it costs to install
$3,993–$4,924 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) · 2026-04-01Safety 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 · 2026-09-24Does 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
What these figures mean
How this compares
The closest models in the same class — same fuel, type and draw pattern.
Keep going
How every figure on this page is calculated
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Find what replaces your water heater
Enter the model number off your old unit and see what is on file today, with the yearly cost difference.
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Find a water heater that fits
Three questions — fuel, hot water need, install space — narrow every model on file to the ones that fit.
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What a water heater costs to run
Prices a unit's efficiency against your own utility's filed tariff for your ZIP code.
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What size heat pump water heater do I need?
Answered from what models in this size actually file.
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Water heaters
Every model on file with the Department of Energy, by heater type.
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All heat pump water heaters
Electric tanks that file a UEF of 2.0 or more — the registry has no separate heat pump type, so this site draws the line there.
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Every Kepler model on file
What this brand files, by heater type.
UEF 4 · Grade B Price it on your ZIP
The figure of 1,240 kWh is computed by this site, not published by the registry. It starts from the registry's UEF, the ratio of hot water delivered to energy used, which is 4 for this model. It then applies the daily hot-water draw that the DOE test sets for the high draw pattern. The source data comes from the DOE CCD, retrieved 2026-09-19. The fuel is electricity, and the figure holds only at that test draw. A household that uses more or less hot water will see a different total. The steps of the calculation are set out in the methodology for how the annual cost is calculated.
This model holds 30th lowest energy use of 194, which places it in the lowest quarter of its class. Its use of 1,240 kWh is 66 kWh below the class median of 1,306 kWh. That comparison applies only at the high draw pattern, and the data here does not show other draw patterns. The high draw pattern describes a larger household, or one where showers and laundry overlap. For that use, the first hour rating, the gallons of hot water available in the first hour from a full tank, is 91 gallons, and the rated volume is 74 gallons. A household whose hot-water use differs from the test draw should not read 1,240 kWh as its own total. The selector by fuel, space and size starts from a household's own fuel, space and size instead.
No running cost is stated in the text, because it depends on your own utility electricity rate. The check is a single multiplication: 1,240 kWh times your rate per kilowatt-hour. The cost calculator on your own ZIP does this at the same high draw pattern. A cost written here would need a rate that this page does not have, so none is estimated. The installed price range appears in its own block, with its source and date, as a modeled range and not a quote, and this text does not restate it. To compare with similar units, you can find a same-class replacement by model number, starting from US3-RSJ-15/300RDVN3-L3. The class median of 1,306 kWh is the reference point for that comparison.
DOE CCD · 2026-09-19