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Sub-Zero Over & Under Refrigerator

Every home relies on the performance of a high-quality and long-lasting refrigerator to keep their food fresh. The Sub-Zero Over-and-Under Refrigerator utilizes dual cooling systems and advanced temperature controls to ensure that everything inside the unit lasts for as long as possible.

Sub-Zero, Wolf, and Cove are the leading specialists in cooking, dishwashing, and refrigeration. These brands are the icons of luxury units and quality performance. The company brings you the most high-end kitchen appliances and luxury models using advanced technologies and up-to-date modeling techniques.

About Sub-Zero Freezer Company

Around the 1930s, Westye Bakke started his experiments with refrigeration to figure out a way to store insulin reliably. In 1943, he produced his first freezer model out of scrap metal pieces found in his basement by bending the coils with his own hands. In 1945, Westye created the Sub-Zero Freezer Company and showcased the first freestanding system for keeping food at ultra-low temperatures (literally sub-zero).

Sub-Zero tries to stay as true to Westye’s early efforts by finding and refining new ways to preserve your food's freshness while producing as little waste as possible.

Sub-Zero created a dual refrigeration system that utilizes different cooling systems for the freezer and refrigerator to prolong your food life. The refrigerators are built with an air purification system inspired by NASA's technology and rid the air of ethylene and various odors every twenty minutes. The units' doors are fitted with seals secure enough to prevent the thawing of frozen foods through days of power outages.

Though the function of the refrigerators at Sub-Zero is the most critical piece, their units’ designs are one of the most copied among creators. The designs of Sub-Zero refrigerators are so popular that famous architect Frank Lloyd Wright commissioned Sub-Zero appliances for the homes that he designed.

Sub-Zero prides itself on following Westye’s desires and never compromises on quality. The premium materials they use, technologies, and craftsmanship are all built to last a long time. The products are American manufactured in Wisconsin and Arizona and promise a longevity of at least twenty years.

All refrigeration units at Sub-Zero are built with the highest quality materials and the desire to last as long as possible. The units are modern, sleek, and designed to stay up-to-date with the most desired looks without compromising the system's quality.

What We Like Best

  • Two separate compressors for refrigerator and freezer
  • Sturdy vacuum-sealed doors that last
  • The NASA-inspired air purification system
  • WiFi Connectivity
  • Sealed deli and crisper drawers for maximum freshness

The Sub-Zero Over-and-Under Refrigerator utilizes technology unique to the Sub-Zero brand. It starts with two separate cooling compressor systems between the freezer and refrigerator sections. Fresh food stays fresh for a longer period in the cool and moist air inside the fridge. Inside the freezer, frigid, dry air circulates. The circulation keeps frost and freezer burn at bay, creating ideal preservation conditions for your frozen food.

Another feature that is unique to the Sub-Zero brand is the NASA developed technology that powers the air purification system. Inside the Over-and-Under refrigerator, the air is cleansed and filtered every twenty minutes to free it of ethylene and various odors. Since most fresh food emits these gases, this system fights back to avoid spoilage.

Another amazing aspect of these refrigerators is the microprocessor controls. The advanced temperature control system controls the interior temperature precisely. It promises exact settings within one degree of the temperature you select.
All four sides of the door are vacuum-sealed, too. The advanced technology prevents air from leaking out, conserving energy and keeping food fresher.

When you purchase the Over-and-Under refrigerator, you will also get an automatic, industry-leading warranty that covers appliances for two years. You also receive a full warranty for five years on the sealed system, and a limited warranty for twelve years on the closed system.

All of the Sub-Zero systems are built with the most premium materials and are designed to last twenty years. To ensure top quality standards, models go through extreme and rigorous testing on the appliances before the final design process. Along with that, every major function is tested again before the product ships to guarantee you get the optimal product.

The Sub-Zero Over & Under Refrigerator was named one of our picks for the best fridges.

What We Don't Like

  • The freezer drawer is a little small
  • Smaller than their other options

The Sub-Zero Over-and-Under refrigerator is one of the highest quality refrigerator options out there with many high-tech components. However, some buyers note that the freezer drawer along the system’s bottom is slightly too small. The overall system is smaller than other Sub-Zero options, so this unit may not be the best option for bigger families.

Many people like to store meats and other foods in their freezers in bulk, so if you favor bulk shopping, you may want to consider an alternative fridge option. That said, other Sub-Zero models offer more freezer space. Either way, if you like the look and other features the brand offers, you can stick with one of Sub-Zero’s alternative models.

It is important to note that Sub-Zero refrigerators are created with quality and design in mind, so they will not suit every budget-conscious individual's needs. If you’re looking for a more luxurious fridge and have a budget to suit, then the Sub-Zero Over-and-Under might be the perfect option.


Overall, the Sub-Zero Over-and-Under refrigerator is a luxurious and high functioning piece of refrigeration technology. This product comes with one of the industry’s best warranty options and has gone through the wringer in terms of testing. You cannot get a higher quality refrigerator, though it might stretch your budget a bit, depending on how much you plan to invest in a new appliance.

The technology used to keep the air pure and the multiple seals throughout the refrigerator will keep your food fresh. If you are in the market for a refrigerator that will guarantee your food keeps well, the Sub-Zero Over-and-Under refrigerator might be the perfect choice for you.

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