Best 21 Cu Ft Upright Freezers: Top 6 Picks (October 2026)
The best 21 cu ft upright freezers include the KoolMore 21 cu. ft. Upright Convertible Freezer/Refrigerator for adjustable storage, the BLACK+DECKER 21.2 Cu. Ft. Convertible Freezer Refrigerator for frost-free storage, and the BLACK+DECKER 14 Cu. Ft. Convertible Freezer Refrigerator for smaller floor plans.
On this page (7 sections)
- How we chose these upright freezers around 21 cu ft
- How do the freezer capacities and dimensions compare?
- Which 21 cu ft upright freezer fits your storage style?
- What should you check before buying a large upright freezer?
- How should you compare shelf and drawer layouts?
- Is a convertible freezer useful for bulk storage?
- Which freezer should you choose for bulk food storage?
The best 21 cu ft upright freezer for organized bulk storage is the KoolMore, with adjustable shelves, clear drawers and door trays. The BLACK+DECKER 21.2 cu. ft. model is a strong alternative if you want frost-free operation and a reversible door.
Capacity alone won't tell you whether a freezer fits your home. Check the cabinet dimensions, door swing, delivery route and interior layout against the food you plan to store.
If you’re still deciding how much room you need, start with How to Calculate What Size Freezer You Need. For a smaller cabinet, compare these best upright freezer 14 cu ft options, or see the best 17 cu ft upright freezer choices.
Our picks at a glance
-
1
Best for adjustable storageKoolMore 21 cu. ft. Upright Convertible Freezer/Refrigerator
9.6/10 our score
See it on Amazon -
2
Best for frost-free storageBLACK+DECKER 21.2 Cu. Ft. Convertible Freezer Refrigerator
9.3/10 our score
See it on Amazon -
3
Best for smaller floor plansBLACK+DECKER 14 Cu. Ft. Convertible Freezer Refrigerator
9.5/10 our score
See it on Amazon
- 4
Best for compact spacesCheck it - 5
Check itHamilton Beach Upright Freezer
Best for drawer organization - 6
Check itElite Kitchen Supply ETL Commercial Reach-in Freezer
Best for commercial kitchens
How we chose these upright freezers around 21 cu ft
The KoolMore and BLACK+DECKER 21.2 cu ft models match the large-capacity search most closely, while the other picks help readers compare adjacent sizes and specialized layouts. We compared capacity, dimensions, storage features, controls and defrost details against the needs of bulk food storage.
Our score weighs specs and features against what you’re shopping for. Models below 21 cu ft score well for specific space or organization needs, but their smaller capacity makes them less direct fits for this search.
How do the freezer capacities and dimensions compare?
The two household models near 21 cu ft hold more than the smaller upright alternatives, while the commercial reach-in offers a much larger format. Measure height, width, depth and the path into the room before choosing by capacity.
| Product | Best for | Capacity | Dimensions (D x W x H) | Storage layout | Our score |
|---|---|---|---|---|---|
| KoolMore 21 cu. ft. Upright Convertible Freezer/Refrigerator | adjustable storage | 21 cu ft | 28.9 x 32.7 x 76.7 in | Four adjustable shelves, two clear drawers, four door shelves | 9.6 |
| BLACK+DECKER 21.2 Cu. Ft. Convertible Freezer Refrigerator | frost-free storage | 21.2 cu ft | 29.5 x 33.1 x 74.6 in | Four removable glass shelves, plastic basket, five door bins | 9.3 |
| BLACK+DECKER 14 Cu. Ft. Convertible Freezer Refrigerator | smaller floor plans | 14 cu ft | 27.9 x 28 x 68.1 in | Four glass shelves, bottom wire basket, four door bins | 9.5 |
| Frigidaire Upright Freezer | compact spaces | 6.45 cu ft | 21 x 23 x 56 in | Six interior wire shelves | 9.2 |
| Hamilton Beach Upright Freezer | drawer organization | 11 cu ft | 26 x 26 x 68 in | Seven clear plastic drawers | 9.0 |
| Elite Kitchen Supply ETL Commercial Reach-in Freezer | commercial kitchens | 40.74 cu ft | 32.63 x 55.13 x 80.38 in | Two doors and six adjustable shelves | 9.1 |
Which 21 cu ft upright freezer fits your storage style?
The KoolMore leads for adjustable storage zones, while the BLACK+DECKER 21.2 cu ft option adds frost-free operation and a reversible door. Pick the smaller alternatives only if footprint or specialized storage matters more than matching the 21 cu ft target.
KoolMore 21 cu. ft. Upright Convertible Freezer/Refrigerator: Best for adjustable storage
KoolMore 21 cu. ft. Upright Convertible Freezer/Refrigerator: Best for adjustable storage
- 21 cu ft capacity
- Four adjustable shelves
- Two clear drawers
- Adjustable door trays
- Freezer or refrigerator mode
Adjustable shelves, clear drawers and door trays give bulk groceries several storage zones. It can run as a refrigerator or freezer.
Pros
- Adjustable shelves and door trays
- Two clear drawers
- Freezer and refrigerator modes
Cons
- Tall cabinet needs a 76.7 in opening
- Convertible modes serve one temperature purpose at a time
KoolMore is the closest match here for buyers who want 21 cu ft and adjustable storage. Four adjustable shelves, two clear drawers and adjustable door trays give you several ways to separate meat, vegetables, drinks and smaller packages.
It can switch between refrigerator and freezer mode with a control button, so it may serve changing seasonal needs. The cabinet measures 32.7 in wide and 76.7 in high, so check both the installation opening and the delivery route.
The electronic control panel, interior LED light and automatic defrost add practical convenience. KoolMore also describes the unit as garage ready, but confirm that its operating limits suit your specific room before placing it in a garage.
Choose it for bulk storage that benefits from adjustable shelves and drawers. Skip it if you need a freezer and refrigerator running at once or don’t have room for its height.
BLACK+DECKER 21.2 Cu. Ft. Convertible Freezer Refrigerator: Best for frost-free storage
BLACK+DECKER 21.2 Cu. Ft. Convertible Freezer Refrigerator: Best for frost-free storage
- 21.2 cu ft capacity
- Frost-free operation
- Convertible freezer or refrigerator
- Reversible door
- Four removable glass shelves and five door bins
This large convertible cabinet pairs frost-free operation with a reversible door and several shelf and bin zones. Check the 33.1 in width and delivery path before choosing it.
Pros
- Frost-free operation
- Reversible door
- Four glass shelves and five door bins
Cons
- 33.1 in wide cabinet needs a clear route
- Freezer and refrigerator modes cannot run at once
BLACK+DECKER offers 21.2 cu ft, frost-free operation and a convertible freezer or refrigerator mode. Four removable glass shelves, five door bins and a bottom basket give you separate spaces for different food shapes.
The reversible door can help when the room layout limits which way the door opens. At 33.1 in wide and 74.6 in high, it is slightly wider and shorter than the KoolMore, so compare both measurements with your available space.
The model is ENERGY STAR qualified and has electronic temperature controls with an LED display. Its freezer and refrigerator modes are alternatives, so plan where food will go before changing modes.
Choose it if frost-free operation and door flexibility matter. Check the width of the cabinet and the delivery path, especially at corners or narrow doorways.
BLACK+DECKER 14 Cu. Ft. Convertible Freezer Refrigerator: Best for smaller floor plans
BLACK+DECKER 14 Cu. Ft. Convertible Freezer Refrigerator: Best for smaller floor plans
- 14 cu ft capacity
- Frost-free operation
- Convertible freezer or refrigerator
- Four removable glass shelves
- ENERGY STAR qualified
It takes less width and height than the 21 cu ft picks while keeping frost-free operation and convertible modes. Its 14 cu ft capacity is below the large-capacity focus of this guide.
Pros
- Narrower and shorter than the 21 cu ft models
- Frost-free operation
- Four shelves and four door bins
Cons
- 14 cu ft capacity is substantially smaller
- Garage ready only in freezer mode
This BLACK+DECKER is a smaller convertible option for buyers who want organized upright storage but don't need 21 cu ft. It has four removable glass shelves, a bottom wire basket and four door bins within a cabinet measuring 28 in wide and 68.1 in high.
Frost-free operation reduces the need for manual defrosting. The unit is ENERGY STAR qualified, and its electronic controls manage freezer or refrigerator settings.
BLACK+DECKER says this model is garage ready in freezer mode only, with a tested temperature range from 0°F to 110°F. That detail matters if you plan to use it outside a temperature-controlled living area.
Choose it when the larger models won't fit or would leave too much unused capacity. For a closer look at this size, see our best upright freezer 14 cu ft guide.
Frigidaire Upright Freezer: Best for compact spaces
Frigidaire Upright Freezer: Best for compact spaces
- 6.45 cu ft capacity
- Six interior wire shelves
- Reversible door
- Manual defrost
The compact cabinet and reversible door can suit a tight corner or small room. Its capacity is far below 21 cu ft, so it fits modest overflow rather than bulk storage.
Pros
- Compact footprint
- Reversible door
- Six wire shelves
Cons
- Much smaller than a 21 cu ft freezer
- Manual defrost
The Frigidaire is a compact alternative for modest overflow, with 6.45 cu ft of capacity and a 23 in width. Six interior wire shelves and a reversible door make it easier to arrange small packages in a tight room.
Its 56 in height is much shorter than the 21 cu ft models, which can help when ceiling or doorway height is a constraint. It uses manual defrost, so account for occasional maintenance.
This pick is not a substitute for 21 cu ft bulk storage. Consider it when a small footprint matters more than keeping large grocery loads in one cabinet.
Choose it for a compact room, cabin or office-sized storage need. If you want more space but still prefer a narrower alternative, compare the upright 11 cu ft freezer option.
Hamilton Beach Upright Freezer: Best for drawer organization
Hamilton Beach Upright Freezer: Best for drawer organization
- 11 cu ft capacity
- Seven clear plastic drawers
- Manual defrost
- Adjustable front leveling legs
Seven clear drawers make smaller frozen items easy to separate and see. At 11 cu ft, it is a smaller alternative for buyers who value organized access over 21 cu ft capacity.
Pros
- Seven clear drawers
- Compact 26 x 26 in footprint
- Adjustable front leveling legs
Cons
- 11 cu ft capacity
- Manual defrost
Hamilton Beach suits buyers who prefer clear drawers for sorting smaller items. Its seven plastic drawer compartments help separate food and make contents visible without arranging everything on open shelves.
The cabinet measures 26 in wide and 68 in high, giving it a smaller footprint than the near-21 cu ft picks. Its 11 cu ft capacity is better suited to moderate overflow than a large bulk-food reserve.
It uses manual defrost and has adjustable front leveling legs. The drawers support quick sorting, though larger packages may need more open shelf space than this layout offers.
Choose it if drawer organization matters more than maximum capacity. See our upright 11 cu ft freezer guide for more context on this size.
Elite Kitchen Supply ETL Commercial Reach-in Freezer: Best for commercial kitchens
Elite Kitchen Supply ETL Commercial Reach-in Freezer: Best for commercial kitchens
- 40.74 cu ft capacity
- Two doors
- Six adjustable shelves
- Auto-defrost
- Digital temperature control
This commercial reach-in is much larger than a household 21 cu ft freezer, with two doors and adjustable shelves for kitchen inventory. Its 55.13 in width and commercial setup make it a specialized choice.
Pros
- Large 40.74 cu ft capacity
- Six adjustable shelves
- Auto-defrost
Cons
- 55.13 in wide and 80.38 in tall
- Commercial size may not suit home spaces
This commercial reach-in is for high-volume kitchen storage, not a typical household 21 cu ft replacement. Its 40.74 cu ft capacity, two doors and six adjustable shelves offer substantially more room than the residential models.
The dimensions are a major planning factor: it is 55.13 in wide, 32.63 in deep and 80.38 in tall. It also weighs 463 lb, so confirm the intended location and delivery arrangements before choosing it.
The unit has auto-defrost, digital temperature control and a stated operating range of -8°F to 0°F. Elite Kitchen Supply describes it for commercial kitchens, restaurants, cafes and similar spaces.
Choose it for commercial inventory and room designed for a reach-in cabinet. Its size and commercial use make it a poor fit for many homes.
What should you check before buying a large upright freezer?
Measure the installation space and delivery path before choosing a large upright freezer. Capacity won't help if the cabinet cannot pass through the doorway or fit with the needed clearance.
Measure the height, width and depth of the spot, then check the manual for required ventilation space. Include any baseboards, pipes or cabinets that could reduce the usable opening.
Measure hallways, doorways, stair turns and the final approach to the room. BLACK+DECKER notes that its 21.2 cu ft model has a removable door for fitting through smaller passages, but check the instructions and actual route dimensions.
Consider the door swing and where you’ll stand to load food. A reversible door can help with room layout, while fixed hinges may limit placement options.
How should you compare shelf and drawer layouts?
Choose the layout around the food you freeze most often. Shelves and door bins suit varied package sizes, while drawers can keep smaller items grouped and visible.
Adjustable shelves help make room for tall containers or large cuts of meat. Door bins work best for smaller, lighter items you want to reach often.
Clear drawers make it easier to see what’s inside, but their fixed compartment size can limit bulky packages. Write down the dimensions of your largest regular items and compare them with the cabinet’s shelf spacing if that information is available.
A simple inventory list can also reduce forgotten food. Group items by type, label packages with dates and keep frequently used foods near an easy-to-reach shelf.
Is a convertible freezer useful for bulk storage?
A convertible model can be useful when your need for frozen and chilled storage changes over time. It switches the cabinet between modes, so it cannot hold frozen food and refrigerated food at their separate targets simultaneously.
Both KoolMore picks and the two BLACK+DECKER models in this guide offer refrigerator and freezer modes. That flexibility can make one cabinet serve different seasonal needs, but changing modes requires moving food that needs the previous temperature.
For a dedicated frozen-food reserve, a standard freezer avoids mode changes. For a home that sometimes needs extra refrigerator space, a convertible unit may be worth the trade-off.
Which freezer should you choose for bulk food storage?
Choose the KoolMore if you want 21 cu ft with adjustable shelves, clear drawers and door trays. Choose the BLACK+DECKER 21.2 cu ft model if frost-free operation and a reversible door are higher priorities.
Pick the 14 cu ft BLACK+DECKER when space is tighter or you need less storage. The 11 cu ft Hamilton Beach favors drawer sorting, while the commercial Elite Kitchen Supply model belongs in a suitable high-volume setting.
Before settling on a size, use How to Calculate What Size Freezer You Need to match capacity to your food habits. Compare the best 17 cu ft upright freezer options if you want a middle size between compact models and 21 cu ft cabinets.
Our top 3 picks at a glance
-
1
Best for adjustable storage
KoolMore 21 cu. ft. Upright Convertible Freezer/Refrigerator
9.6/10 our score
See it on Amazon -
2
Best for frost-free storage
BLACK+DECKER 21.2 Cu. Ft. Convertible Freezer Refrigerator
9.3/10 our score
See it on Amazon -
3
Best for smaller floor plans
BLACK+DECKER 14 Cu. Ft. Convertible Freezer Refrigerator
9.5/10 our score
See it on Amazon
Frequently asked questions
Is a 21 cu ft upright freezer large enough for bulk food?
A 21 cu ft upright freezer offers substantial space for bulk groceries, meat packs and prepared meals, though the usable layout matters as much as the capacity number. Adjustable shelves, drawers and door bins can help separate food by type.
Measure your largest packages and compare them with the interior layout before deciding.
How much floor space does a 21 cu ft upright freezer need?
The KoolMore measures 28.9 in deep, 32.7 in wide and 76.7 in high. The BLACK+DECKER 21.2 cu ft model measures 29.5 in deep, 33.1 in wide and 74.6 in high.
Leave the clearances required by the manual and measure the full delivery route, including doorways and turns.
Is an upright freezer easier to organize than a chest freezer?
An upright freezer puts food on shelves, in drawers or in door bins, so you can sort items by type and reach different levels without moving a top layer. A chest freezer can suit large or irregular packages, but food at the bottom may take more effort to reach.
Choose the layout that matches how often you access stored food.
Can a convertible freezer keep food frozen and chilled at once?
No. A convertible freezer switches between refrigerator mode and freezer mode, so the cabinet serves one temperature purpose at a time.
Move food that needs the old temperature to suitable storage before changing modes, and follow the appliance instructions for the transition.
How do I choose between 14, 17 and 21 cu ft upright freezers?
Choose by the amount of food you freeze and the room available. A 14 cu ft model takes less space, while 21 cu ft offers more storage and needs a larger footprint; a 17 cu ft model can sit between them.
Use our How to Calculate What Size Freezer You Need guide to estimate capacity from your shopping habits.
