Searching for an undercounter freezer energy star means you’re looking for compact, efficient refrigeration that saves energy and space. The Coolake 27″ W Commercial Undercounter Freezer stands out for its commercial-grade build and reliable cooling, making it ideal for busy environments. The Whynter CUF-301SS offers versatile convertible fridge-freezer options with high energy efficiency, perfect for flexible storage. The main tradeoffs in this category often involve balancing capacity, energy savings, and convenience features. Keep reading to explore the best options and find the perfect fit for your needs.
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Key Takeaways
- The best undercounter freezers balance energy efficiency with sufficient storage capacity for household or commercial use.
- Models with convertible features or frost-free operation tend to cost more but offer greater convenience and versatility.
- Built-in options often provide a more integrated look but may have higher installation complexity and costs.
- The top picks differentiate themselves through reliability, ease of use, and overall value for energy savings.
- Size and capacity are critical; smaller units save space but may limit storage, so choose based on your actual needs.
| Coolake 27″ W Commercial Undercounter Worktop Freezer, 6.5 Cu Ft, Stainless Steel, -8 to 0°F Fan Cooling | ![]() | Best Overall for Commercial Food Service | Dimensions: 27.5″ × 30″ × 36.4″ | Capacity: 6.5 cu ft | Temperature Range: -8°F to 0°F | VIEW ON AMAZON | See Our Full Breakdown |
| HCK Freezer, Undercounter Refrigerator with Stainless Steel Body, Electronic Temperature Control, Lockable Door, 3 Movable Baskets, 4.1 Cu.ft. | ![]() | Best for Versatile Indoor and Outdoor Use | Capacity: 4.1 Cu.ft. | Temperature Range: -11.2°F to 3.2°F | Material: Stainless Steel | VIEW ON AMAZON | See Our Full Breakdown |
| Whynter Upright Freezer/Fridge Convertible 3 Cu Ft Energy Star, CUF-301SS | ![]() | Best for Small Spaces and Multi-Function Use | Capacity: 3 Cu Ft | Energy Star Certified: Yes | Temperature Range (Refrigerator): 32°F to 50°F | VIEW ON AMAZON | See Our Full Breakdown |
| Summit Appliance SCFF53BCSSIM Built-In Undercounter Frost-Free All-Freezer with Ice Maker and Digital Thermostat | ![]() | Best for Sleek Built-In or Freestanding Modern Design | Operation: Frost-free | Installation: Built-in or freestanding | Width: 24 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Summit 24-Inch Refrigerator Freezer, Undercounter, 5.1 cu.ft., ADA Compliant, ENERGY STAR, White | ![]() | Best for ADA Compliant, Energy-Efficient Storage | Capacity: 5.1 cu ft | Refrigerator Capacity: 4.5 cu ft | Freezer Capacity: 0.6 cu ft | VIEW ON AMAZON | See Our Full Breakdown |
| Summit Appliance CT663BKCSS Built-in Undercounter Refrigerator-Freezer | ![]() | Versatile Built-in or Freestanding Model with Deluxe Interior | Design: Built-in or freestanding | Width: 24 inches | Material: Stainless steel | VIEW ON AMAZON | See Our Full Breakdown |
| Ca’Lefort 24-Inch Panel Ready Under Counter Freezer, 3.8 cu.ft | ![]() | Sleek, Energy-Efficient Panel-Ready Freezer for Modern Kitchens | Capacity: 3.8 cu.ft | Dimensions: 23.4″D x 21.7″W x 32.3″H | Temperature Range: –11°F to 7°F | VIEW ON AMAZON | See Our Full Breakdown |
| undercounter freezer energy star | Capacity | Material |
|---|---|---|
| Coolake 27" W Commercial Under | 6.5 cu ft | Stainless Steel |
| HCK Freezer | 4.1 Cu.ft. | Stainless Steel |
| Whynter Upright Freezer/Fridge | 3 Cu Ft | — |
| Summit Appliance SCFF53BCSSIM | — | Stainless Steel |
| Summit 24-Inch Refrigerator Fr | 5.1 cu ft | — |
| Summit Appliance CT663BKCSS Bu | — | Stainless steel |
| Ca’Lefort 24-Inch Panel Ready | 3.8 cu.ft | — |
More Details on Our Top Picks
Coolake 27″ W Commercial Undercounter Worktop Freezer, 6.5 Cu Ft, Stainless Steel, -8 to 0°F Fan Cooling
This commercial undercounter freezer stands out for its generous 6.5 cubic feet of storage, making it ideal for busy restaurant environments where capacity and durability matter most. Its stainless steel construction ensures longevity and easy cleaning, while digital temperature controls provide precise management from -8°F to 0°F. Compared with the smaller capacity of the Summit or the more versatile design of the Whynter, this model’s larger space and professional cooling system make it better suited for high-volume settings. However, its size and commercial-grade features mean it isn’t suitable for residential use, and the energy consumption is higher due to continuous operation. This pick makes the most sense for food service operators who prioritize capacity and reliability over energy costs.
Pros:- Spacious 6.5 cu ft capacity for high-volume storage
- Durable stainless steel construction withstands busy environments
- Digital controls and frost-free operation for consistent performance
- Includes 6 food pans and lockable casters for convenience
Cons:- Designed primarily for commercial use, not residential
- Requires professional installation and connection
- Higher energy costs due to continuous operation
Best for: Commercial kitchens needing reliable, spacious storage for frozen foods
Not ideal for: Home users with limited space or casual needs, due to its size and commercial focus
- Dimensions:27.5″ × 30″ × 36.4″
- Capacity:6.5 cu ft
- Temperature Range:-8°F to 0°F
- Material:Stainless Steel
- Number of Drawers:2
- Energy Consumption:2.82 kWh/day
- Warranty:6 years compressor, 2 years parts
Our verdict“This freezer is best suited for commercial settings where capacity and durability outweigh energy efficiency concerns.”
HCK Freezer, Undercounter Refrigerator with Stainless Steel Body, Electronic Temperature Control, Lockable Door, 3 Movable Baskets, 4.1 Cu.ft.
The HCK undercounter freezer offers a practical balance of size and features, with 4.1 cubic feet of storage suitable for both home and light commercial environments. Its stainless steel build and weatherproof design make it a strong choice for outdoor or indoor spaces where durability matters. The electronic temperature control and auto-defrost system provide precise and maintenance-free operation, comparable to the Whynter’s energy-efficient approach but with a slightly smaller capacity. The limited temperature range and heavier weight could pose challenges in small or portable applications. Overall, this model makes sense for those needing a durable, weather-resistant unit that can serve various locations, though it isn’t the best choice for large-scale commercial use or very compact spaces.
Pros:- Weatherproof stainless steel construction for outdoor durability
- Electronic temperature control and auto-defrost for ease of use
- Includes 3 movable baskets for organized storage
- Suitable for indoor and outdoor environments
Cons:- Limited to a specific freezing temperature range
- Heavy and potentially cumbersome in tight spaces
- Smaller capacity compared to larger commercial units
Best for: Homeowners or small business owners needing outdoor or versatile storage solutions
Not ideal for: Very small kitchens or spaces where mobility is a concern, due to its weight and size
- Capacity:4.1 Cu.ft.
- Temperature Range:-11.2°F to 3.2°F
- Material:Stainless Steel
- Features:Lockable Door, Electronic Temperature Control, Auto-defrost
- Number of Baskets:3
- Weight:Heavy
Our verdict“This model is ideal for those needing a durable, weather-resistant freezer for flexible indoor or outdoor storage.”
Whynter Upright Freezer/Fridge Convertible 3 Cu Ft Energy Star, CUF-301SS
The Whynter CUF-301SS offers a compact, 3-cubic-foot convertible design, making it perfect for small apartments, dorms, or offices where space is tight. Its energy Star certification indicates lower power consumption compared to larger, commercial models, while the adjustable temperature controls allow switching between fridge and freezer modes. Compared to the larger Coolake or Summit units, its smaller size limits storage capacity but provides versatility for different cold storage needs. The mechanical dial may lack digital precision, and the capacity might be insufficient for larger storage demands, but its quiet operation and security lock add convenience. This freezer makes the most sense for users who need a multi-purpose unit with minimal footprint.
Pros:- Convertible design for refrigerator or freezer use
- Energy-efficient with Energy Star certification
- Quiet operation under 42 dB
- Locking door enhances security in shared spaces
Cons:- Limited capacity for large storage needs
- Mechanical dial lacks digital accuracy
- Reversible door may require manual adjustment
Best for: Small households, student dorms, or shared office spaces needing flexible cold storage
Not ideal for: Users with large storage needs or those seeking a dedicated freezer for high-volume use
- Capacity:3 Cu Ft
- Energy Star Certified:Yes
- Temperature Range (Refrigerator):32°F to 50°F
- Temperature Range (Freezer):-14°F to -11°F
- Noise Level:Under 42 dB
- Reversible Door:Yes
Our verdict“This unit is best for small spaces requiring flexible, energy-efficient cooling with minimal footprint.”
Summit Appliance SCFF53BCSSIM Built-In Undercounter Frost-Free All-Freezer with Ice Maker and Digital Thermostat
This stainless steel, frost-free undercounter freezer offers a refined look with an integrated ice maker, making it suitable for both residential and commercial settings where style and convenience matter. Its built-in capability and digital thermostat provide precise temperature management, similar to the Summit refrigerator-freezer but with the advantage of frost-free operation—eliminating manual defrost chores. Compared with the more basic Summit or Ca’Lefort units, this model’s sleek aesthetics and ice-making feature make it a clear choice for those wanting a modern, maintenance-minimized freezer. The limited width of 24 inches restricts capacity, and the absence of detailed volume info might leave some uncertain about storage size. It’s best for users prioritizing style and integrated features over maximum capacity.
Pros:- Frost-free operation reduces maintenance
- Flexible built-in or freestanding installation
- Sleek stainless steel exterior enhances appearance
- Includes an ice maker for added convenience
Cons:- Limited to 24-inch width, reducing capacity
- No detailed capacity info available
- Lighting switch may be inconvenient for some users
Best for: Homeowners or designers seeking a stylish, built-in capable freezer with ice-making features
Not ideal for: Large households or commercial use needing substantial freezer capacity, due to size constraints
- Operation:Frost-free
- Installation:Built-in or freestanding
- Width:24 inches
- Material:Stainless Steel
- Features:Ice maker, digital thermostat
Our verdict“Ideal for those wanting a modern, stylish undercounter freezer with minimal maintenance and integrated ice-making.”
Summit 24-Inch Refrigerator Freezer, Undercounter, 5.1 cu.ft., ADA Compliant, ENERGY STAR, White
This European-built undercounter refrigerator freezer offers a balanced 5.1 cubic feet of storage, with separate compartments for fresh and frozen foods, making it suitable for ADA-compliant kitchens or small spaces. Its energy Star certification highlights its efficiency, while adjustable glass shelves provide spill-proof organization. Compared with the larger Coolake or the flexible Whynter, this model’s focus on accessibility and energy savings makes it ideal for small, accessible kitchens, but its manual defrost freezer requires periodic maintenance, and the freezer capacity is limited to just 0.6 cubic feet. It isn’t designed for high-volume storage, but its compact size and energy efficiency make it a strong choice for limited spaces.
Pros:- Compact size suits ADA compliant spaces
- Separate cooling zones for fresh and frozen foods
- Energy Star certified for efficiency
- Adjustable glass shelves for flexible storage
Cons:- Manual defrost in freezer requires maintenance
- Limited freezer capacity (0.6 cu ft)
- Not designed for built-in installation
Best for: Accessible kitchens, small homes, or offices needing efficient, compliant storage
Not ideal for: Users needing large freezer capacity or built-in installation, due to size and design constraints
- Capacity:5.1 cu ft
- Refrigerator Capacity:4.5 cu ft
- Freezer Capacity:0.6 cu ft
- Height:32.38 inches
- Width:23.63 inches
- Defrost Type:Automatic (refrigerator), Manual (freezer)
- Energy Star Certified:Yes
Our verdict“This model works best for small, accessible spaces requiring energy-efficient storage with separate compartments.”
Summit Appliance CT663BKCSS Built-in Undercounter Refrigerator-Freezer
This model stands out for its flexible installation options, allowing it to be used as either a built-in or freestanding unit, which makes it a good choice for custom kitchen designs. Its stainless steel exterior offers durability, and the interior’s glass shelves and scalloped wine shelf elevate its aesthetic appeal. Compared to the Ca’Lefort freezer, it provides a more deluxe interior but lacks specific energy efficiency info, which could be a concern for energy-conscious buyers. The dual evaporator cooling system enhances temperature stability, but the absence of detailed energy star ratings makes it harder to gauge long-term efficiency. This pick makes the most sense for those who want a stylish, versatile unit that can blend into various kitchen setups and value durability over energy specifics.
Pros:- Flexible installation options for built-in or freestanding use
- Durable stainless steel exterior for longevity
- Deluxe interior with glass shelves and wine shelf
Cons:- Limited to 24-inch spaces, restricting larger capacity options
- No specific energy efficiency or energy star rating provided
Best for: Homeowners seeking a durable, stylish undercounter fridge-freezer that can be built-in or freestanding, with interior amenities like a wine shelf.
Not ideal for: Buyers prioritizing energy efficiency certifications or low operating costs, since no specific energy star info is provided.
- Design:Built-in or freestanding
- Width:24 inches
- Material:Stainless steel
- Interior features:Glass shelves, door storage, scalloped wine shelf
- Cooling system:Dual evaporator
- Lighting:Automatic interior lighting
- Thermostat:Adjustable dial
Our verdict“This model suits those who want a stylish, flexible undercounter fridge-freezer without a strong emphasis on energy efficiency.”
Ca’Lefort 24-Inch Panel Ready Under Counter Freezer, 3.8 cu.ft
The Ca’Lefort freezer makes a compelling choice for those desiring a seamless, built-in look, especially for modern kitchens where cabinetry integration matters most. Its energy-efficient inverter compressor and quiet operation (38 dB) stand out, making it more appealing than the Summit model, which lacks energy star info. The adjustable shelves allow flexible storage, but the requirement to let the unit sit upright for 24-48 hours before use adds a delay for installation. Unlike the Summit model, which offers dual evaporator cooling, this freezer has a single-zone design that may limit temperature control for some users. This pick is ideal for buyers who prioritize energy savings, quiet performance, and a clean, integrated look, even if it involves a slightly more complex setup process.
Pros:- Seamless panel-ready design for cabinetry integration
- Energy-efficient inverter compressor with quiet operation
- Adjustable storage for flexible organization
Cons:- Requires 24-48 hours upright placement before use
- Limited to single-zone cooling, reducing temperature flexibility
- Potentially complex installation process for some users
Best for: Modern homeowners wanting a built-in, energy-efficient freezer that blends seamlessly with cabinetry and values quiet operation.
Not ideal for: Those needing a quick, plug-and-play solution or with limited installation space, since it requires pre-setup time and careful installation.
- Capacity:3.8 cu.ft
- Dimensions:23.4″D x 21.7″W x 32.3″H
- Temperature Range:–11°F to 7°F
- Noise Level:38 dB
- Design:Panel ready
- Cooling system:Inverter compressor
- Installation delay:24-48 hours
Our verdict“This freezer suits buyers who want a sleek, energy-efficient built-in unit with quiet operation and are willing to handle a more involved installation.”

How We Picked
We evaluated these undercounter freezers based on their energy efficiency ratings, capacity, build quality, ease of use, and durability. Priority was given to ENERGY STAR certification to ensure real energy savings and lower utility bills. We also considered features like frost-free operation, adjustable thermostats, and ease of installation. Cost-effectiveness and overall value played a key role, with a focus on products that balance performance with affordability. This approach helps identify models suitable for both home and small commercial use, ranking them by how well they meet these standards.Factors to Consider When Choosing Undercounter Freezer Energy Star
Choosing the right undercounter freezer with an Energy Star rating involves more than just capacity. Consider how much space you need versus what fits in your designated area. Think about whether you prefer frost-free operation or manual defrost, as this impacts maintenance and energy use. The thermostat control’s precision can affect temperature stability, which is vital for preserving food and avoiding waste. Additional features like adjustable shelving, locking doors, and built-in design can influence convenience and integration into your space. Be mindful of your specific storage needs and long-term energy savings when making your choice.Energy Efficiency and Certification
Energy Star certification ensures the freezer meets strict efficiency standards, reducing electricity bills and environmental impact. When comparing models, verify the specific energy consumption figures and look for additional features that enhance efficiency, such as LED lighting or advanced insulation. Cheaper models may not deliver the promised savings if they lack proper insulation or efficient compressors. Prioritizing certified units guarantees you’ll get a product that genuinely conserves energy over time, especially important for frequent, long-term use.
Capacity and Size
Size matters when choosing an undercounter freezer. Smaller units, typically under 4 cubic feet, save space but limit storage for larger quantities. Conversely, larger models offer more capacity but may be harder to fit into tight spaces or require more energy. Measure your available space carefully and consider your typical storage needs. Overestimating capacity can lead to unnecessary energy use, while underestimating might force multiple trips or storage compromises. Balance your actual needs with the unit’s physical dimensions for the best fit.
Frost-Free vs. Manual Defrost
Frost-free freezers eliminate the need for manual defrosting, saving time and reducing maintenance. However, frost-free models tend to consume slightly more energy due to the continuous operation of defrost cycles. Manual defrost units are often more energy-efficient but require periodic defrosting, which can be inconvenient. Consider your willingness to perform maintenance versus your desire for convenience. For high-use environments, frost-free models tend to be more practical, but for occasional use, manual defrost can offer energy savings.
Additional Features and Build Quality
Features like adjustable shelving, lockable doors, and digital thermostats can significantly improve usability. Built-in designs offer a seamless look but may involve more complex installation. Quality construction, including sturdy door hinges and reliable compressors, impacts durability and long-term performance. Evaluate which features genuinely add value for your situation; for example, a lock might be critical in commercial settings, while adjustable shelves matter for flexible storage. Investing in higher build quality can pay off through longevity and consistent operation.
Cost and Long-Term Savings
While higher initial costs often accompany more efficient, feature-rich models, they can lead to substantial savings in utility bills over time. Cheaper units might save money upfront but could result in higher energy consumption and maintenance costs. Consider your budget in relation to your expected energy savings and how often you’ll use the freezer. Investing in a slightly more expensive, certified energy-efficient model can deliver better overall value, especially if you plan to use it regularly.
Frequently Asked Questions
Will an ENERGY STAR undercounter freezer significantly lower my electricity bills?
Yes, ENERGY STAR certified freezers are designed to use less energy while maintaining proper cooling performance. Over time, this reduction can translate into noticeable savings on your utility bills, especially if the unit is used frequently. While the initial purchase price might be higher, the long-term savings on energy costs often offset this difference. Additionally, lower energy consumption reduces your environmental impact, making these models a smarter choice for eco-conscious buyers.
Is frost-free operation worth paying extra for in an undercounter freezer?
Frost-free operation offers the convenience of automatic defrosting, eliminating the need for manual maintenance. This feature can be especially valuable in busy kitchens or commercial settings where ease of use is a priority. However, frost-free models tend to consume slightly more energy due to the continuous defrost cycles. If you prefer lower energy bills and are willing to perform manual defrosting periodically, a manual defrost unit may be more economical. Consider your lifestyle and maintenance preferences when making this choice.
How much capacity do I really need in an undercounter freezer?
Your storage needs depend on how much food or items you plan to freeze regularly. Small units around 3 cubic feet are suitable for limited needs, such as a few frozen meals or small commercial supplies. For larger households or businesses requiring more storage, units with 5 to 6.5 cubic feet provide additional space without overwhelming your space. Overestimating capacity can lead to unnecessary energy use, so measure your typical storage volume carefully before purchasing. Matching capacity to your actual needs ensures efficiency and usability.
Are built-in models worth the added cost and complexity?
Built-in undercounter freezers deliver a sleek, integrated look that blends seamlessly with your cabinetry, making them ideal for modern kitchens or professional setups. They often come with higher price tags and may require professional installation, adding to the upfront cost. While they provide aesthetic benefits and save space, consider whether the added expense aligns with your budget and whether you need the seamless look. For those prioritizing aesthetics and space-saving design, built-in models can be a worthwhile investment despite the higher complexity.
What features should I prioritize for long-term reliability?
Prioritizing a durable compressor, sturdy hinges, and quality insulation can enhance long-term performance. Features like a digital thermostat help maintain stable temperatures, reducing food spoilage and energy waste. Look for reliable brands with positive reviews on durability and customer support. While extra features like locks or adjustable shelves improve convenience, focus on build quality to ensure the freezer withstands regular use over many years. Investing in reputable brands and well-built units typically results in better reliability and fewer maintenance issues.
Conclusion
For general home use where energy savings and ease of maintenance are priorities, the Whynter CUF-301SS offers excellent value with its convertible design and high efficiency. Buyers seeking a professional, seamless look should consider the Summit Appliance SCFF53BCSS for built-in installation and extra features. Those on a tighter budget will find the HCK Freezer and Ca’Lefort models deliver reliable performance at a lower cost. For commercial or heavy-use environments, the Coolake 27″ W stands out with its robust construction and capacity. Ultimately, choosing the best undercounter freezer depends on your specific needs, space, and budget, but these options cover the most common priorities effectively.Fall yard work Picks
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