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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.

best undercounter refrigerator 2026 buying guide cover
Best Undercounter Refrigerator – 2026 buying guide by Best Refrigerator Deals

Quick Answer: The Best Undercounter Refrigerator

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

ProductBest ForTypeKey FeatureBuy
Summit FF63BKSSHVBest Overall24" undercounter all-refrigerator24 in., ENERGY STARCheck Price
KoolMore 24" Panel-ReadyBest Panel-Ready Value24-inch panel-ready undercounter5 cu ft, panel readyCheck Price
Summit FF708BLSS 5.3Best Auto Defrost24" undercounter all-refrigerator5.3 cu ftCheck Price
U-Line 1175RW 5.7Best Premium24" built-in all-refrigerator5.7 cu ftCheck Price
Avallon AFR242 5.66Best Large24" built-in refrigerator5.66 cu ftCheck Price
Summit 24" ADA Built-InBest ADA24" ADA undercounter refrigerator32 in. tall, NSF-7Check 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.

Summit FF63BKSSHV
Best Overall

1. Summit FF63BKSSHV 24" Undercounter All-Refrigerator, ENERGY STAR

8.8 BRD Score /10

Check Price on Amazon.com ↗

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.

See the Summit FF63BKSSHV on Amazon →

KoolMore 24" Panel-Ready
Best Panel-Ready Value

2. KoolMore KM-BIR5C-PR 24" Panel-Ready Built-In Undercounter Refrigerator

8.5 BRD Score /10

Check Price on Amazon.com ↗

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.

See the KoolMore 24" Panel-Ready on Amazon →

Summit FF708BLSS 5.3
Best Auto Defrost

3. Summit FF708BLSS 24" Under Counter All-Refrigerator, 5.3 cu ft

8.6 BRD Score /10

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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.

See the Summit FF708BLSS 5.3 on Amazon →

U-Line 1175RW 5.7
Best Premium

4. U-Line 1175RW-13 24" Built-In All Refrigerator, 5.7 cu ft

8.4 BRD Score /10

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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.

See the U-Line 1175RW 5.7 on Amazon →

Avallon AFR242 5.66
Best Large

5. Avallon AFR242SSODRH 24" Built-In Refrigerator, 5.66 cu ft

8.4 BRD Score /10

Check Price on Amazon.com ↗

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.

See the Avallon AFR242 5.66 on Amazon →

Summit 24" ADA Built-In
Best ADA

6. Summit 24" ADA Built-In Undercounter Refrigerator, Stainless Steel

8.5 BRD Score /10

Check Price on Amazon.com ↗

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.

See the Summit 24" ADA Built-In on Amazon →

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.

Bar chart: Listed capacity (cu ft)
Listed capacity (cu ft): how each best undercounter refrigerator pick compares.

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.
Tips for Installing an Undercounter Refrigerator tips card
Practical tips for getting the most from the best undercounter refrigerator.

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.

More refrigerator research from Best Refrigerator Deals:

Prices and availability change often. Check the retailer listing for the current price, warranty and exact dimensions before you buy.