Advertising Disclosure
21 Cubic Foot Refrigerator Comparison - June 2025
| 1 Best Choice  9.8Exceptional | 2  9.6Exceptional | 3 Best Value  9.5Excellent | 4  9.4Excellent | 5  9.3Excellent | 6  9.2Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelKoolMore KM-RUF-21S 21 cu. ft. Upright Convertible Freezer/Refrigerator, 2-in-1 Appliance, Storage for Fresh or Frozen Food and Drinks, Clear Shelves and Drawers [Silver] | Model Hamilton Beach HBFR1504 Full Size Counter Depth Refrigerator with Two Freezer Drawers, 17.9 cu ft, Stainless | Model Kenmore 33 in. 20.4 cu. ft Capacity Refrigerator/Freezer with Full-Width Adjustable Glass Shelving, Humidity Control Crispers, Ice Maker, ENERGY STAR Certified, Fingerprint Resistant Stainless Steel | Model Kenmore 33 in. 20.5 cu. ft. Capacity Refrigerator/Freezer with Full-Width Adjustable Glass Shelving, Humidity Control Crispers, ENERGY STAR Certified, White | Model Kenmore 33 in. 20.5 cu. ft. Capacity Refrigerator/Freezer with Full-Width Adjustable Glass Shelving, Humidity Control Crispers, ENERGY STAR Certified, Black | Model Kenmore 21 Cu. Ft. (600L) Convertible Upright Freezer/Refrigerator | Garage-Ready | Frost-Free | Digital Touch Controls | Quick Freeze | LED Interior Light | White | For Basement Garage Shed Cottage |
BrandKoolMore | Brand Hamilton Beach | Brand Kenmore | Brand Kenmore | Brand Kenmore | Brand Koolatron |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews - |
Tech Specs | |||||
capacity 21 Cubic Feet | capacity 17.9 Cubic Feet | capacity 20.4 Cubic Feet | capacity 20.5 Cubic Feet | capacity 20.5 Cubic Feet | capacity 21 Cubic Feet |
product dimensions 28.9 x 32.7 x 76.7 inches | product dimensions 30.51 x 33.7 x 74.61 inches | product dimensions 30.75 x 32.68 x 66.38 inches | product dimensions 30.75 x 32.68 x 66.38 inches | product dimensions 30.75 x 32.68 x 66.38 inches | product dimensions 28.94 x 32.76 x 76.77 inches |
item weight 225 Pounds | item weight 218 Pounds | item weight 179 Pounds | item weight 176 Pounds | item weight 176 Pounds | item weight 195.65 Pounds |
number of doors 1 | number of doors 2 | number of doors 2 | number of doors 2 | number of doors 2 | number of doors 1 |
voltage 120 Volts | voltage 110 Volts | voltage 115 Volts | voltage 115 Volts | voltage 115 Volts | voltage 115 Volts |
door hinges Right | door hinges - | door hinges Reversible | door hinges Reversible | door hinges Reversible | door hinges Right |
refrigerator fresh food capacity 21 Cubic Feet | refrigerator fresh food capacity - | refrigerator fresh food capacity 15.63 Cubic Feet | refrigerator fresh food capacity 15.63 Cubic Feet | refrigerator fresh food capacity 15.63 Cubic Feet | refrigerator fresh food capacity 21 Cubic Feet |
color Silver | color - | color Fingerprint Resistant Stainless Steel | color White | color Black | color White |
form factor Compact | form factor - | form factor Freezer Top | form factor Freezer Top | form factor Freezer Top | form factor Compact |
shelves 4 | shelves - | shelves 4 | shelves 4 | shelves 4 | shelves 4 |
installation type Drop-In | installation type - | installation type Freestanding | installation type Freestanding | installation type Freestanding | installation type Freestanding |
customer reviews5.0 5.0 out of 5 stars 1 rating 5.0 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 7 ratings 4.6 out of 5 stars | customer reviews 3.6 3.6 out of 5 stars 8 ratings 3.6 out of 5 stars | customer reviews 3.6 3.6 out of 5 stars 8 ratings 3.6 out of 5 stars | customer reviews 3.6 3.6 out of 5 stars 8 ratings 3.6 out of 5 stars | customer reviews - |
freezer capacity 21 Cubic Feet | freezer capacity - | freezer capacity 4.81 Cubic Feet | freezer capacity 4.88 Cubic Feet | freezer capacity 4.88 Cubic Feet | freezer capacity 21 Cubic Feet |
special features Convertible Freezer/Fridge | special features - | special features Energy Efficient, Automatic Defrost, Adjustable Shelves | special features Energy Efficient, Automatic Defrost, Adjustable Shelves | special features Energy Efficient, Automatic Defrost, Adjustable Shelves | special features Automatic Defrost |
annual energy consumption 552 Kilowatt Hours | annual energy consumption - | annual energy consumption 469 Kilowatt Hours Per Year | annual energy consumption 385 Kilowatt Hours Per Year | annual energy consumption 385 Kilowatt Hours Per Year | annual energy consumption 493 Kilowatts |
certification CSA | certification - | certification Energy Star | certification Energy Star | certification Energy Star | certification DOE |
brand name KoolMore | brand name - | brand name Kenmore | brand name Kenmore | brand name Kenmore | brand name Kenmore |
defrost Automatic | defrost - | defrost Automatic | defrost Automatic | defrost Automatic | defrost Automatic |
shelf type Plastic | shelf type - | shelf type Glass | shelf type Glass | shelf type Glass | shelf type Wire |
batteries required No | batteries required - | batteries required No | batteries required No | batteries required No | batteries required No |
model info KM-RUF-21S | model info - | model info 33 in. | model info 33 in. | model info 33 in. | model info KKUF21-W |
crispers drawers 2 | crispers drawers - | crispers drawers 2 | crispers drawers 2 | crispers drawers 2 | crispers drawers - |
Available On  | Available On | Available On   | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1KoolMoreKoolMore KM-RUF-21S 21 cu. ft. Upright Convertible Freezer/Refrigerator, 2-in-1 Appliance, Storage for Fresh or Frozen Food and Drinks, Clear Shelves and Drawers [Silver]
Why we love it
Spacious 21 cu. ft. capacity.
Convertible fridge/freezer mode.
Energy-efficient operation.
Main highlights- Large Capacity Upright Appliance – KoolMore convertible freezer/refrigerator units boast 21 cu. ft. to expand overall load capacity. There’s also an electronic control panel to support temperature changes and an interior LED light for enhanced clarity.
- Expanded Shelf and Drawer Storage – This all-in-one fridge/freezer combo features four adjustable shelves and two clear drawers, as well as plenty of adjustable door trays, to maximize your storage efficiency and to help you store fruit, vegetables, meat, fish, beverages, and more.
- Energy Performance – Along with four cold settings and a quick swap fridge/freezer button this 2-in-1 appliance is energy efficient to help reduce energy costs while expanding your food storage options at home or in the garage.
- Adjustable Legs and Rolling Wheels – Offering convenience and accessibility this fridge and freezer lets you adjust the legs to ensure upright stability and even boasts 2 rear easy-rolling wheels to help you move it around safely.
- 2-in-1 Fridge or Freezer – Designed to give you more storage options for fresh food, drinks, or frozen options: this garage ready fridge/freezer storage system lets you choose between either fridge mode or freezer mode. This makes it ideal for storing food in different seasons, supporting larger families, or saving more space in your upstairs kitchen fridge.
-
9.6
2Hamilton Beach
Hamilton Beach HBFR1504 Full Size Counter Depth Refrigerator with Two Freezer Drawers, 17.9 cu ft, Stainless
Why we love it
Spacious for family needs.
Customizable shelf arrangement.
Efficient cooling system.
Main highlights- Thermostat - control your food temperature to keep it fresh Longer
- Large capacity - French doors 17.9 Cu. Ft. Capacity, perfect for all the family members
- Included components: Shelves, Owner Manual
- Freezer compartment - keeps your food well frozen at all time in the separated freezer compartment
- Built-in lamp - find your food quicker with the interior light
- Adjustable - Easily adjust the feet Height and remove or interchange your shelves for a personalized experience
-
9.5
3Kenmore
Kenmore 33 in. 20.4 cu. ft Capacity Refrigerator/Freezer with Full-Width Adjustable Glass Shelving, Humidity Control Crispers, Ice Maker, ENERGY STAR Certified, Fingerprint Resistant Stainless Steel
Why we love it
Large storage capacity.
Quiet operation.
Customizable shelving.
Main highlights- STYLISH AND EFFICIENT: Sleek, stylish construction with a fingerprint resistant stainless steel finish and features adjustable, full-width glass shelves so you can customize your fridge to fit taller bottles and make the most of your space
- INCLUDED ICE MAKER: Energy-star certified fridge comes with a factory installed icemaker that produces up to 3 lbs. of crescent shaped ice per day
- CRISPER DRAWERS AND DAIRY COMPARTMENT: Clear humidity controlled crisper lets you choose the ideal humidity level to keep your fruits and vegetables fresh, while the clear dairy compartment can store all your butters and spreads at their ideal temperature
- CLEAR DOOR BINS: Designed with 2 bins in the fridge that can store a gallon of milk and 2 bins in the freezer to help you keep things organized and easily accessible
- 33 IN. FULL-SIZE REFRIGERATOR/FREEZER: Features 20.4 cu. ft. of storage space and a 33-in. wide footprint to save space in your kitchen while still including the traditional standard-depth design
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
