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The best undercounter refrigerator fits a 24-inch base cabinet opening, vents from the front so it can be built in and keeps food at a safe 40°F or below. All-refrigerator models give the most fresh-food space; panel-ready and ADA models suit specific kitchens.
We compared undercounter refrigerators on Amazon by width, height, capacity, venting and listings such as ENERGY STAR, using maker details. We did not test these units ourselves.

Quick Answer: The Best Undercounter Refrigerator
- Best OverallSummit FF63BKSSHV
- Best Panel-Ready ValueKoolMore 24" Panel-Ready
- Best Auto DefrostSummit FF708BLSS 5.3
- Best PremiumU-Line 1175RW 5.7
- Best LargeAvallon AFR242 5.66
- Best ADASummit 24" ADA Built-In
Summit’s FF63BKSSHV is the best undercounter refrigerator for most kitchens: an ENERGY STAR, European-made 24-inch all-refrigerator. KoolMore’s 24-inch is the panel-ready value pick, Summit’s FF708BLSS adds automatic defrost, U-Line’s 1175RW is the premium pick, Avallon’s AFR242 offers 5.66 cu ft and Summit’s 24-inch ADA model fits lower counters.
Best Undercounter Refrigerator Comparison Table
| Product | Best For | Type | Key Feature | Buy |
|---|---|---|---|---|
| Summit FF63BKSSHV | Best Overall | 24" undercounter all-refrigerator | 24 in., ENERGY STAR | Check Price |
| KoolMore 24" Panel-Ready | Best Panel-Ready Value | 24-inch panel-ready undercounter | 5 cu ft, panel ready | Check Price |
| Summit FF708BLSS 5.3 | Best Auto Defrost | 24" undercounter all-refrigerator | 5.3 cu ft | Check Price |
| U-Line 1175RW 5.7 | Best Premium | 24" built-in all-refrigerator | 5.7 cu ft | Check Price |
| Avallon AFR242 5.66 | Best Large | 24" built-in refrigerator | 5.66 cu ft | Check Price |
| Summit 24" ADA Built-In | Best ADA | 24" ADA undercounter refrigerator | 32 in. tall, NSF-7 | Check Price |
The 6 Undercounter Refrigerators We Recommend
Measure the opening and confirm front venting before you order. Specs below come from each product listing and the maker’s information.
1. Summit FF63BKSSHV 24" Undercounter All-Refrigerator, ENERGY STAR
1. Summit is efficient.
👍 Pros & Cons
Pros
- ENERGY STAR, about 307 kWh/yr listed
- No freezer, more fridge space
- European-made line
Cons
- Freestanding design, check venting for built-in
- No freezer
📄 Detailed Review
- Width: 24 in.
- Capacity: 5.5 cu ft per retailer specs (Amazon title says 5.8)
- Efficiency: ENERGY STAR; about 307 kWh/yr (listed)
- Finish: Stainless steel wrapped
- Made in: Europe (Peak24 series)
Summit’s FF63BKSSHV is a 24-inch, ENERGY STAR all-refrigerator from its European-made Peak24 line.
European-made.

2. KoolMore KM-BIR5C-PR 24" Panel-Ready Built-In Undercounter Refrigerator
2. KoolMore blends in.
👍 Pros & Cons
Pros
- Panel ready
- Door alarm
- Frost free
- Glass shelves
Cons
- Few reviews
- Undercounter only
- No freezer
📄 Detailed Review
- Capacity: 5 cu ft
- Dimensions: 23.4" W x 22.6" D x 33.9" H (listed)
- Panel: Panel ready
- Controls: Digital, door ajar alarm
- Shelves: Adjustable glass
- Defrost: Frost free
KoolMore’s 24-inch undercounter refrigerator is panel ready, frost free and has a door ajar alarm.
Digital controls.
3. Summit FF708BLSS 24" Under Counter All-Refrigerator, 5.3 cu ft
3. Summit FF708BLSS.
👍 Pros & Cons
Pros
- Automatic defrost
- Reversible door
- European-made
Cons
- No freezer
- Check depth
📄 Detailed Review
- Width: 24 in.
- Capacity: 5.3 cu ft (maker; Amazon title says 5.1)
- Efficiency: ENERGY STAR (maker)
- Defrost: Automatic
- Door: Reversible
Summit’s FF708BLSS gives about 5.3 cu ft of auto-defrost, ENERGY STAR refrigerator space in a 24-inch cabinet.
Reversible door.
4. U-Line 1175RW-13 24" Built-In All Refrigerator, 5.7 cu ft
4. U-Line build quality.
👍 Pros & Cons
Pros
- Premium brand
- Auto defrost
- Glass shelves
Cons
- Older listing, check availability
- White finish
📄 Detailed Review
- Width: 24 in.
- Capacity: 5.7 cu ft
- Defrost: Automatic
- Shelves: Tempered glass
U-Line’s 1175RW offers 5.7 cu ft of built-in refrigerator space with glass shelves and automatic defrost.
Check availability.
5. Avallon AFR242SSODRH 24" Built-In Refrigerator, 5.66 cu ft
5. Avallon is roomy.
👍 Pros & Cons
Pros
- Large capacity
- Built-in
- Premium build
Cons
- Higher price
- Check outdoor rating on your model
📄 Detailed Review
- Width: 24 in.
- Capacity: 5.66 cu ft
- Install: Built-in
- Interior: Well-lit (listed)
Avallon’s 24-inch AFR242 gives 5.66 cu ft of bright, built-in refrigerator space.
Built-in.
6. Summit 24" ADA Built-In Undercounter Refrigerator, Stainless Steel
6. Summit fits lower counters.
👍 Pros & Cons
Pros
- ADA counter height
- Commercial NSF-7 listing
- Built-in or freestanding
Cons
- Smaller than standard 34 in. units
- Pricier than mini fridges
📄 Detailed Review
- Width: 24 in.
- Height: 32 in., fits lower ADA counters
- Listing: ETL-S to NSF-7 commercial standards (listed)
- Install: Built-in; finished cabinet also allows freestanding
Summit’s 24-inch ADA model is 32 inches tall to fit lower counters and carries an NSF-7 listing for food service.
Commercial listing.
How We Chose the Best Undercounter Refrigerator
To choose the best undercounter refrigerator, we compared undercounter refrigerators and refrigerator drawers sold on Amazon in the U.S. on width, height, listed capacity, front venting for built-in installation, freezer type, locks, panel-ready doors, outdoor ratings, ADA height and listings such as ENERGY STAR or NSF. We used each listing and the maker’s published details, and we did not run our own lab tests. Capacity and ratings come from the makers, and models change often, so confirm the exact model number before you order.
We checked efficiency claims against ENERGY STAR refrigerator guidance and food-safety temperatures against the FDA’s food storage advice (40°F or colder in the fridge, 0°F in the freezer). Our full process is explained on our How We Test page. We do not list prices or star ratings because they change daily.
How to Choose the Best Undercounter Refrigerator
Front venting is essential
Undercounter models breathe through a front grille. Freestanding mini fridges overheat in cabinets.
Standard sizes
Most are 24 inches wide and about 34 inches tall; ADA models are about 32 inches.
All-refrigerator vs. freezer
All-refrigerator units hold more fresh food; models with freezers give up space.
Door swing
Check hinge side and whether the door is reversible.
Built-in needs front venting
An undercounter refrigerator that will sit between cabinets must vent from the front. Freestanding models vent from the back or sides and can overheat when boxed in.
Measure height, width and depth
Most undercounter units are 24 inches wide and about 34 inches tall for standard counters, or about 32 inches for ADA-height counters. Check depth so the door clears cabinet fronts and handles.
Refrigerator or beverage center
An undercounter refrigerator holds food at safe temperatures with solid shelves and often a crisper. A beverage center focuses on cans and bottles, often with a glass door, and may not get as cold.
Freezer options
Some undercounter units add a small freezer compartment or a freezer drawer. Compartments are often manual defrost and small; true freezer drawers hold frozen food better.
Panel-ready for a seamless kitchen
Panel-ready models accept a custom cabinet front. The panel is sold separately, and installation should follow the maker’s template.
Outdoor ratings matter
Outdoor kitchens need a refrigerator rated for outdoor use, with weather-resistant materials and wider temperature tolerance. Plug outdoor units into a GFCI outlet.
Drawers vs. doors
Refrigerator drawers make items easy to see and reach without bending, but each drawer holds less than a door-style cabinet of the same width.
Locks for shared spaces
Locks are common on commercial and ADA undercounter models. They deter casual access in offices, rentals and dorms.
Energy and noise
Undercounter refrigerators run all day near living spaces. ENERGY STAR models and listed noise figures help compare running costs and comfort.

Tips for Installing an Undercounter Refrigerator
- Leave the kick plate clear Airflow.
- Level with adjustable legs Door seals properly.
- Use a thermometer 40°F or below.
- Clean the front grille Dust blocks airflow.

Below are common questions readers ask about choosing the best undercounter refrigerator.
Frequently Asked Questions
What is the best undercounter refrigerator?
Summit FF63BKSSHV for most kitchens, KoolMore for panel-ready value and U-Line for premium build.
How big is a standard undercounter refrigerator?
About 24 inches wide and 34 inches tall.
Can a mini fridge be built in?
Only front-vented models.
Do undercounter refrigerators have freezers?
Some do; many are all-refrigerator.
How much power does an undercounter fridge use?
ENERGY STAR models list around 300 kWh a year or less.
What is the standard size of an undercounter refrigerator?
Most are 24 inches wide and about 34 inches tall; ADA units are about 32 inches tall.
Can any mini fridge go under a counter?
Only front-vented models are made for built-in use.
What does panel-ready mean?
The door accepts a custom cabinet panel, sold separately.
Can an indoor undercounter fridge go outside?
No; use a model rated for outdoor use.
Final Verdict
Summit’s FF63BKSSHV is the best undercounter refrigerator for most kitchens, KoolMore is the panel-ready value pick and U-Line is the premium pick. Confirm front venting before buying the best undercounter refrigerator.
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Prices and availability change often. Check the retailer listing for the current price, warranty and exact dimensions before you buy.
