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21 Cubic Foot Refrigerator Comparison - March 2026
| 1 Best Choice  9.7Exceptional | 2  9.4Excellent | 3  9.3Excellent | 4 Best Value  9.0Very Good | 5  8.9Very Good | 6  8.8Very Good |
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ModelSMETA Upright Freezer with Drawers 21 Cu. Ft, Stand Up Freezer Frost Free, Garage Ready, Energy Saving, Led Light, Standup Full Size Freezerless Standing Freezer for Home, Office | Model KoolMore 21 cu. ft. Upright Convertible Freezer/Refrigerator, 2-in-1 Appliance, Great Storage for Fresh or Frozen Food and Drinks, Clear Shelves and Drawers [Silver] (KM-RUF-21S) | Model Avanti French Door Refrigerator with Bottom Freezer 30-Inch Wide​, Frost Free Technology, Large Capacity with Adjustable Shelves, Door Bins & Crisper Drawers, 17.5 Cu.Ft., Stainless Steel | Model Hamilton Beach HBFRF2129 21 cu ft Double Door LID Garage-Ready Chest Freezer-White, Vinyl-Coated Baskets, Space-Saving Flat Back, Stay-Open, Front-Access Drain, for Storage, Hunting, Large Family | Model Kenmore Upright freezer-Convertible Refrigerator / Freezer, 4 Shelves, Garage Ready, Meat Storage, Auto Defrost, Congelador For Home, Apartment, Cottage, Basement, Dorm, 21.0 Cubic Feet Capacity White | Model Sharp SJB1255GS Bottom-Freezer Counter-Depth Refrigerator, 24 Inch, 11.5 Cubic Foot, Garage Ready |
BrandSMETA | Brand KoolMore | Brand Avanti | Brand Hamilton Beach | Brand Koolatron | Brand Sharp |
Reviews | Reviews  | Reviews | Reviews  | Reviews - | Reviews |
Tech Specs | |||||
color Silver, Black | color Silver | color Stainless Steel | color White | color White | color Stainless Steel |
included components Light | included components 1 Convertible Upright Refrigerator/Freezer, 2 Drawers, 4 Adjustable Shelves and 4 Door Shelves. | included components 3 Glass Shelves, 2 Crisper Drawers, 6 Door Bins, 2 Freezer Drawers | included components FREEZER | included components 4 x wire shelves, 1 x wire basket | included components Refrigerator |
product dimensions 28.9 x 32.8 x 76.8 inches | product dimensions 28.9 x 32.7 x 76.7 inches | product dimensions 29.5 x 29 x 69 inches | product dimensions 28 x 85 x 33 inches | product dimensions 28.94 x 32.76 x 76.77 inches | product dimensions 27 x 23.6 x 72.8 inches |
item weight 227 pounds | item weight 225 Pounds | item weight 192 Pounds | item weight 150 pounds | item weight 195.65 Pounds | item weight 163.1 Pounds |
voltage 110 Volts | voltage 120 Volts | voltage 120 Volts | voltage 110 Volts | voltage 115 Volts | voltage 115 Volts |
batteries required No | batteries required No | batteries required No | batteries required No | batteries required No | batteries required No |
door hinges Right | door hinges Right | door hinges French-Door | door hinges - | door hinges Right | door hinges Reversible |
form factor Convertible | form factor Compact | form factor French Door | form factor - | form factor Compact | form factor Compact, Freezer Bottom |
shelves 4 | shelves 4 | shelves 3 | shelves - | shelves 4 | shelves 2 |
capacity 21 Cubic Feet | capacity 21 Cubic Feet | capacity 17.5 Cubic Feet | capacity - | capacity 21 Cubic Feet | capacity 11.5 Cubic Feet |
installation type Freestanding | installation type Drop-In | installation type Freestanding | installation type - | installation type Freestanding | installation type Freestanding |
special features Deep Refrigerator Frost Free, Adjustable legs and Easy rolling wheels, Interior light design, Quick Freeze Mode, Door Open Alert, High-Tech Control Panel | special features Convertible Freezer/Fridge | special features Adjustable Shelves | special features - | special features Automatic Defrost | special features Compact |
brand name SMETA | brand name KoolMore | brand name Avanti | brand name - | brand name Kenmore | brand name SHARP |
defrost Automatic | defrost Automatic | defrost Automatic | defrost - | defrost Automatic | defrost Frost Free |
model info DSD-772WMU-SS | model info KM-RUF-21S | model info FFFDS175L3S | model info - | model info KKUF21-W | model info SJB1255GS |
crispers drawers 1 | crispers drawers 2 | crispers drawers 4 | crispers drawers - | crispers drawers - | crispers drawers 1 |
certification UL | certification CSA | certification - | certification - | certification DOE | certification Energy Star |
door material type Stainless Steel | door material type - | door material type Stainless Steel | door material type - | door material type Painted Metal | door material type Stainless Steel |
refrigerator fresh food capacity- | refrigerator fresh food capacity 21 Cubic Feet | refrigerator fresh food capacity 12.4 Cubic Feet | refrigerator fresh food capacity - | refrigerator fresh food capacity 21 Cubic Feet | refrigerator fresh food capacity 7.3 Cubic Feet |
freezer capacity- | freezer capacity 21 Cubic Feet | freezer capacity 5.1 Cubic Feet | freezer capacity - | freezer capacity 21 Cubic Feet | freezer capacity 4.2 Cubic Feet |
number of doors- | number of doors 1 | number of doors 2 | number of doors - | number of doors 1 | number of doors 2 |
annual energy consumption- | annual energy consumption 552 Kilowatt Hours | annual energy consumption 327 Kilowatt Hours Per Year | annual energy consumption - | annual energy consumption 493 Kilowatts | annual energy consumption 397 Kilowatt Hours Per Year |
shelf type- | shelf type Plastic | shelf type adjustable shelves | shelf type - | shelf type Wire | shelf type Plastic |
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
9.7
1SMETASMETA Upright Freezer with Drawers 21 Cu. Ft, Stand Up Freezer Frost Free, Garage Ready, Energy Saving, Led Light, Standup Full Size Freezerless Standing Freezer for Home, Office
Why we love it
Convertible modes for flexible storage options.
Large capacity fits various settings.
Frost-free design eliminates manual defrosting.
Main highlights- Upright Stand Up Freezer: 21 cubic_feet upright freezers with door rack; Dimensions: 32.8" W x 28.9" D x 76.8" H; The Upright Deep Freezer is designed that maximize capacity without taking up too much space. Ideal for garages, basements, offices, apartments, dorm rooms, and other settings.
- Upright Freezer with Convertible Modes: Flexibility to switch between freezer and refrigerator depending on your needs with the control panel. The temperature range of Freezer mode is 10° F ~-11° F (-12° C~-24° C). The temperature range of Fridge mode is 35 ~ 46° F (2° C ~ 8° C).
- Stainless Steel Upright Freezer: Perfect for modern kitchen, home, garage design. Space saving, high efficiency and environmental protection.
- High-Tech Control Panel & Humanized Design: Quick Freeze Mode; Door Open Alert; To prevent accidental activation, the control panel automatically locks after 30 seconds of inactivity; Adjustable legs and Easy rolling wheels, Interior Led light design.
- Air-Cool & Frost-Free: The freezer upright ensures the precise airflow for efficient temperature distribution with its powerful fan-circulated compressor. Cold air can easy flow through the 5 glass shelves. Additionally, the convenient frost-free design ends the need to manually defrost the upright refrigerator/deep freezers. More convenient for storing meat, milk, ice cream, fruit, pizza, etc.
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9.4
2KoolMore
KoolMore 21 cu. ft. Upright Convertible Freezer/Refrigerator, 2-in-1 Appliance, Great Storage for Fresh or Frozen Food and Drinks, Clear Shelves and Drawers [Silver] (KM-RUF-21S)
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.
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9.3
3Avanti
Avanti French Door Refrigerator with Bottom Freezer 30-Inch Wide​, Frost Free Technology, Large Capacity with Adjustable Shelves, Door Bins & Crisper Drawers, 17.5 Cu.Ft., Stainless Steel
Why we love it
Large storage with adjustable shelves.
Hassle-free frost-free technology.
Easy access with French doors.
Main highlights- LARGE CAPACITY: This 17.5 Cu.Ft. French Door Fridge provides ample storage space for fresh and frozen foods and beverages and is easily customizable with 3 glass adjustable shelves, 2 clear-view crisper drawers and 6 door bins. Product Dimensions 29.5"D x 29"W x 69"H.
- FROST FREE TECHNOLOGY: Keep your frozen foods and beverages neatly arranged with the convenience of two freezer drawers proving 5.1 cu.ft. of freezer capacity. The frost-free technology of this Avanti French Door Refrigerator prevents the build-up of frost, eliminating the need for manual defrosting. Enjoy hassle-free maintenance and a clean freezer environment.
- FRESH PRODUCT: Two clear-view crisper drawers ensure freshness of your fruits and vegetables. These see-through bins provide ample space for organizing and storing your produce, ensuring that they stay crisp and flavorful for longer. Easily locate and access your fresh items while adding a touch of convenience to your daily routine.
- EASY VIEWING FRENCH DOORS: Customize the interior space to fit your needs and easily access your stored items with the convenient French doors. The dual doors provide separate compartments for the refrigerator and freezer, allowing you to organize your groceries and frozen goods with ease.
- DELIVERY & INSTALLATION –Delivery & Installation Support (in select locations) – Let us do the heavy lifting with options for room-of-choice delivery, item unboxing and item hook-up/installation at checkout.
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.
