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Whirlpool WRTX7421T***

Most Efficient (EPA)

21.3 cu ft top freezer. Uses 10% less energy than the federal limit for its class. #382 of 393 top-freezer fridges 18+ cu ft, by yearly cost.

Source: EPA ENERGY STAR Certified Residential Refrigerators dataset, data.energystar.gov. Refreshed Oct 24, 2026.

$88 at 18.16¢/kWhper year
$875 at 18.16¢/kWhover 10 years
$156 at 18.16¢/kWh10-yr extra vs. similar size

Recall check

CPSC recalls that mention Whirlpool refrigerators, fridges and freezers (checked Oct 24, 2026). Check whether your model number is listed in the notice:

• CPSC, W.C. Wood Co. Announce Recall Of 345,775 Freezers (1996-02-14)

Where it's sold

Whirlpool fridges: Whirlpool.com · Local retailers (Whirlpool store locator) · Lowe's · Best Buy

Confirmed from Whirlpool's own where-to-buy or retailer pages and retailer brand pages. Checked Oct 24, 2026. Not every seller stocks every model, so check the model number with the seller.

Rebates

Rebates change by ZIP code and store. Check rebates near you.

Your electric rate18.16¢per kWh. Find it on your bill. Default is the U.S. average.

Yearly cost, side by side

This model$88 at 18.16¢/kWh
Typical similar-size model (124 top freezer models)$72 at 18.16¢/kWh
Federal max for this class$96 at 18.16¢/kWh
Thirstiest certified top-freezer fridges$92 at 18.16¢/kWh
Good to know
Fridges run all day, so the EPA test figure is close to real use. A warm kitchen, frequent door opening and an ice maker can push it higher.

Also sold as

The EPA record lists no additional model numbers.

An asterisk in the model number stands for color or trim codes, so those finishes share these figures.

UPC: 883049928715; 883049928722; 883049928739; 883049928746; 883049928753

The EPA certifies this model number in more than one configuration. This page covers: 3I - Refrigerator-freezer - automatic defrost with op-mounted freezer with automatic icemaker without through-the-door ice. Other: 3 - Refrigerator-freezers - automatic defrost with top-mounted freezer without an automatic ice maker (398 kWh/yr).

Certification history

ENERGY STAR certified 2026-01-22. On the market since 2026-02-20. EPA record 4528737.

Energy and specs

TypeTop Freezer
Product class3I - Refrigerator-freezer - automatic defrost with op-mounted freezer with automatic icemaker without through-the-door ice
Total capacity21.3 cu ft
Adjusted volume25.9 cu ft
Height × width65 × 33 in
Counter depthNo
CompactNo
Built-inNo
Ice makerYes
Through-door dispenserNo
DefrostAutomatic
Connected (smart)No
RefrigerantR-600a (GWP:3 | Lower GWP)
Annual energy use482 kWh
Federal max for its class527 kWh
MarketsUnited States, Canada

Source: EPA ENERGY STAR Certified Residential Refrigerators, record 4528737. Most Efficient reflects the EPA field "meets most efficient criteria".

Similar models from other brands

Rule: certified top-freezer fridges within 2 cu ft of this one (19.3 to 23.3 cu ft), other brands only, lowest energy first.

BrandModelSizeEnergyCost
AmanaARTX2419S***19.3 cu ft379 kWh$69 at 18.16¢/kWh/yr
ElisiiDERTM201BW120.1 cu ft380 kWh$69 at 18.16¢/kWh/yr
ElisiiDERTM201SW120.1 cu ft380 kWh$69 at 18.16¢/kWh/yr
ElisiiDERTM201WW120.1 cu ft380 kWh$69 at 18.16¢/kWh/yr
FrestecFR 2002 SL20.2 cu ft382 kWh$69 at 18.16¢/kWh/yr
SHSH572-SS20.2 cu ft382 kWh$69 at 18.16¢/kWh/yr
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