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Hisense RT21N3E

Ranked #6 of 42 in Best Full-Size Refrigerators (2026). Here is every spec we scored, where it came from, and how it compares.

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H

#6

Hisense RT21N3E

Best for: Official 10% less energy than the U.S. federal standard, 21.2 cu ft total volume, 478 kWh/year, ENERGY STAR lists an ice maker

5.1/10

What we like

ENERGY STAR lists this model with an ice maker
Official record meets ENERGY STAR Most Efficient 2025 criteria

Watch out for

No additional scored gaps in the official record we used

Score breakdown

Percent less energy than U.S. federal standard 36%

Certified total volume 28%

Annual energy use 22%

Ice maker 14%

Percent less energy than U.S. federal standard	10 %
Certified total volume	21.2 cu ft
Annual energy use	478 kWh/year
Ice maker	Yes
Percent less energy use than U.S. federal standard (ENERGY STAR)	10%
Annual energy use (ENERGY STAR)	478 kWh/year
Certified total volume (ENERGY STAR)	21.2 cu ft
Annual energy use per cubic foot (computed)	22.5 kWh/year per cubic foot, computed as certified annual energy use ÷ certified total volume
U.S. federal standard energy use (ENERGY STAR)	522 kWh/year
Adjusted volume (ENERGY STAR)	25.3 cu ft
Type (ENERGY STAR)	Top Freezer
Product class (ENERGY STAR)	3I - Refrigerator-freezer - automatic defrost with op-mounted freezer with automatic icemaker without through-the-door ice
Defrost type (ENERGY STAR)	Automatic
Ice maker (ENERGY STAR)	Yes
Counter depth (ENERGY STAR)	No
Thru-the-door dispenser (ENERGY STAR)	No
Connected functionality (ENERGY STAR)	No
Dimensions (ENERGY STAR)	66.5 × 29.7 in (H × W)
Refrigerant (ENERGY STAR)	Not listed
Meets ENERGY STAR Most Efficient 2025 criteria	Yes
Certified model number	RT21N3**E
Official brand name on the ENERGY STAR record	Hisense
Related official records with the same certified ratings	Same official certified ratings also appear on Hisense RT210N3SEH; Mora RT210N3AEM. We keep one product page for this rating set so color, finish or brand rebadges are not given separate nearly identical pages.
Price	Check price

Check price at Amazon

Specs sources:

Hisense RT21N3E head-to-head

Head-to-headHisense RT21N3E vs Hisense RT12A2CSE

How it compares

Open the full comparison table

Samsung RM80F23VM

#1 · Official 27% less energy than the U.S. federal standard, 23.5 cu ft total volume, 510 kWh/year, ENERGY STAR lists an ice maker

LG LB12S2000

#2 · Official 36% less energy than the U.S. federal standard, 11.8 cu ft total volume, 285 kWh/year

LG LB12C2000

#3 · Official 34% less energy than the U.S. federal standard, 12.1 cu ft total volume, 298 kWh/year

Frigidaire GRMN2872A

#4 · Official 10% less energy than the U.S. federal standard, 27.2 cu ft total volume, 649 kWh/year, ENERGY STAR lists an ice maker

KitchenAid KRSF336R

#5 · Official 10% less energy than the U.S. federal standard, 28.7 cu ft total volume, 684 kWh/year, ENERGY STAR lists an ice maker

Crosley CRSEH267A

#7 · Official 10% less energy than the U.S. federal standard, 25.6 cu ft total volume, 647 kWh/year, ENERGY STAR lists an ice maker

Frigidaire PRFS2883A

#8 · Official 10% less energy than the U.S. federal standard, 27.9 cu ft total volume, 725 kWh/year, ENERGY STAR lists an ice maker

KitchenAid KRSF705

#9 · Official 10% less energy than the U.S. federal standard, 24.8 cu ft total volume, 640 kWh/year, ENERGY STAR lists an ice maker

GE Profile PGD29BYT

#10 · Official 5% less energy than the U.S. federal standard, 28.7 cu ft total volume, 681 kWh/year, ENERGY STAR lists an ice maker

GE Profile PGE29BYT

#11 · Official 5% less energy than the U.S. federal standard, 28.7 cu ft total volume, 681 kWh/year, ENERGY STAR lists an ice maker

Hisense RT18N3E

#12 · Official 10% less energy than the U.S. federal standard, 18.1 cu ft total volume, 450 kWh/year, ENERGY STAR lists an ice maker

Kenmore 7231

#13 · Official 10% less energy than the U.S. federal standard, 18.1 cu ft total volume, 448 kWh/year, ENERGY STAR lists an ice maker

GE GWE22JYM

#14 · Official 10% less energy than the U.S. federal standard, 21.9 cu ft total volume, 581 kWh/year, ENERGY STAR lists an ice maker

Samsung RB16DG6000

#15 · Official 24% less energy than the U.S. federal standard, 16.2 cu ft total volume, 380 kWh/year

Whirlpool WRFF5333P

#16 · Official 10% less energy than the U.S. federal standard, 22.1 cu ft total volume, 585 kWh/year, ENERGY STAR lists an ice maker

Whirlpool WRFF3436R

#17 · Official 10% less energy than the U.S. federal standard, 24.7 cu ft total volume, 685 kWh/year, ENERGY STAR lists an ice maker

KitchenAid KRSC336R

#18 · Official 10% less energy than the U.S. federal standard, 20.9 cu ft total volume, 600 kWh/year, ENERGY STAR lists an ice maker

Frigidaire PRFC2383A

#19 · Official 10% less energy than the U.S. federal standard, 22.7 cu ft total volume, 670 kWh/year, ENERGY STAR lists an ice maker

GE Profile PKE24QYY

#20 · Official 5% less energy than the U.S. federal standard, 24.1 cu ft total volume, 614 kWh/year, ENERGY STAR lists an ice maker

Samsung RF18A5101

#21 · Official 11% less energy than the U.S. federal standard, 17.5 cu ft total volume, 540 kWh/year, ENERGY STAR lists an ice maker

GE GYE21JYM

#22 · Official 10% less energy than the U.S. federal standard, 20.6 cu ft total volume, 647 kWh/year, ENERGY STAR lists an ice maker

GE Profile PZE24QYY

#23 · Official 5% less energy than the U.S. federal standard, 23.5 cu ft total volume, 655 kWh/year, ENERGY STAR lists an ice maker

Kenmore 6133

#24 · Official 10% less energy than the U.S. federal standard, 20.5 cu ft total volume, 385 kWh/year

Whirlpool WRQC7836R

#25 · Official 10% less energy than the U.S. federal standard, 19.1 cu ft total volume, 645 kWh/year, ENERGY STAR lists an ice maker

LG LF19C8200

#26 · Official 5% less energy than the U.S. federal standard, 18.6 cu ft total volume, 590 kWh/year, ENERGY STAR lists an ice maker

Hisense HRT180N6A

#27 · Official 10% less energy than the U.S. federal standard, 18 cu ft total volume, 363 kWh/year

Insignia NS-RTM18SS2

#28 · Official 10% less energy than the U.S. federal standard, 18.1 cu ft total volume, 369 kWh/year

Kenmore 6231

#29 · Official 10% less energy than the U.S. federal standard, 18.2 cu ft total volume, 365 kWh/year

Kenmore 896.61342420

#30 · Official 10% less energy than the U.S. federal standard, 18.1 cu ft total volume, 367 kWh/year

KitchenAid KRBL133SP

#31 · Official 10% less energy than the U.S. federal standard, 22.1 cu ft total volume, 500 kWh/year

Midea MRT18D1B

#32 · Official 10% less energy than the U.S. federal standard, 18.2 cu ft total volume, 369 kWh/year

Midea MRT18D3B

#33 · Official 10% less energy than the U.S. federal standard, 18.1 cu ft total volume, 369 kWh/year

LG LF18CO000S

#34 · Official 11% less energy than the U.S. federal standard, 18.2 cu ft total volume, 460 kWh/year

GE GBE17HYR

#35 · Official 10% less energy than the U.S. federal standard, 17.7 cu ft total volume, 454 kWh/year

Midea MRT14D2B

#36 · Official 10% less energy than the U.S. federal standard, 14.3 cu ft total volume, 333 kWh/year

Samsung RB15DG6000

#37 · Official 12% less energy than the U.S. federal standard, 15 cu ft total volume, 420 kWh/year

GE GPE12FGZ

#38 · Official 10% less energy than the U.S. federal standard, 11.9 cu ft total volume, 314 kWh/year

Hisense RT12A2CSE

#39 · Official 10% less energy than the U.S. federal standard, 11.6 cu ft total volume, 308 kWh/year

Whirlpool URBC5024PZ

#40 · Official 14% less energy than the U.S. federal standard, 11.2 cu ft total volume, 376 kWh/year

Midea HD-423ST-BKS

#41 · Official 10% less energy than the U.S. federal standard, 11.5 cu ft total volume, 311 kWh/year

Frigidaire FRTE1026AB

#42 · Official 10% less energy than the U.S. federal standard, 10.1 cu ft total volume, 298 kWh/year