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Sub Zero Refrigeration


Sub-Zero Refrigeration has been pioneering the science & art of food preservation since 1945.

For over 75 years, Sub-Zero’s Madison, Wisconsin family-owned and operated company has been reimagining refrigeration with fully customizable exterior and interior designs that are tested and built to last for more than 20 years of daily use.

Most of us have fond memories of working in the kitchen with family and friends. And while we may have been too young to use the stovetop or handle a knife, we could always grab ingredients from the fridge. These experiences stick with us, perfectly preserved in time. Sub-Zero refrigerators, serving only the freshest memories since 1945


From the moment a fig is picked, a clock begins to tick. For its flavor is never better, brighter, or sweeter than when it is perfectly ripe. Prolonging that freshness—that fleeting peak taste and texture—is the single-minded mission of Sub-Zero.


Inspired by Westye’s passion for building the best products, Sub-Zero refrigerators never compromise on quality. All of the materials are premium grade; every piece of technology, state of the art; the detailed craftsmanship, of the caliber expected in the world’s finest homes.


Our products are built in our own Wisconsin and Arizona facilities, where we control every step of the manufacturing process.


Our appliances are designed to last for a minimum of 20 years. This is because their major components undergo rigorous testing prior to proceeding to the final stage of design. Furthermore, every major function on every single unit is tested before shipping.


Their products include industry-leading warranties, an unmatched customer service team of experts in Madison, Wisconsin, and a comprehensive network of hand-selected trained installers and service technicians.


Staying true to Westye’s earliest pioneering efforts, Sub-Zero continues to refine and invent ways to preserve your food’s freshness and reduce waste.


We pioneered a dual refrigeration system with separate cooling systems for the refrigerator and freezer. This prevents hasty spoilage of fresh food and minimizes freezer burn.


Sub-Zero refrigerators come with an air purification system (based on technology developed by NASA) that scrubs the air of ethylene and odor every 20 minutes.


The very doors on a Sub-Zero refrigerator are made with preservation in mind. The seals are so secure that some owners report no thawing of frozen foods after multi-day power outages.

Frequently Asked Questions

To clean a Sub-Zero refrigerator, start by unplugging it. Remove all food and shelves, then wipe the interior with a solution of mild detergent and warm water. Rinse and dry thoroughly before reassembling.

To reset, locate the control panel and press the power or reset button. Alternatively, unplug the refrigerator for a few minutes and then plug it back in to reset.

Common issues include temperature fluctuations, water leaks, ice maker problems, and condensation buildup. It's recommended to consult the user manual or contact a Sub-Zero service technician for specific troubleshooting steps.

To troubleshoot, check the power supply, ensure proper temperature settings, clean the condenser coils, and inspect the door seals for any leaks or damage. If issues persist, contact Sub-Zero customer service for assistance.

To change the water filter, locate the filter compartment, usually at the top or bottom of the refrigerator. Follow the manufacturer's instructions for removing the old filter and installing a new one.

To defrost, turn off the unit and remove all food items. Allow the freezer to thaw naturally or use a fan to speed up the process. Avoid using sharp objects to remove ice buildup. Clean and dry the freezer before turning it back on.

To adjust the temperature, locate the temperature control panel or settings inside the unit. Follow the instructions in the user manual to increase or decrease the temperature settings as desired.

To replace a door seal, first, order a replacement seal that matches the model of your refrigerator. Remove the old seal by gently pulling it off. Align the new seal properly and press it firmly into place.

To clean the condenser coils, unplug the unit and locate the coils, typically at the back or beneath the refrigerator. Use a vacuum cleaner or a coil brush to remove dust and debris. Avoid damaging the coils while cleaning.

To program the settings, refer to the user manual for specific instructions. Typically, you can access the settings through the control panel and adjust parameters such as temperature, humidity control, and ice maker settings.Shape