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The Coronavirus created new challenges for the service industry. In March 2020 we shut our doors for the first time in 30 years. We regrouped and thought about ways which we could protect ourselves and our customers. As of 2021, not one of our technicians has gotten the coronavirus. We have worked around the entire tristate area and have been able to continue offering same day service. While we have definitely been lucky, we have been following the mask mandate from day ONE. We firmly believe this has been the source of our......

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The Sub-Zero 427R wine cooler rebuild

 The old Sub-Zero 400 series wine coolers were and still are awesome units. While they are definitely approaching the end of their life cycle, the repairability of them is unmatched by any competitor in the residential wine cooler market. Two models in-particular that we see the most often are the 424 under the counter and the 427 series. These wine coolers were really great and for the most part, and can always be fixed. A wine cooler is definitely a “wetter” system, so the parts inside the compartment wear down a little faster.......

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By FAR one of the most common sub-zero calls we get are for Ice Maker System failures and inconsistencies. Troubleshooting advice is not great for ice makers primarily because there are so many different configurations available. In this tutorial we will go over a very basic “layman” guide to trouble shooting your ice maker, no matter the Model. Lets first make sure all switches for the icemaker are set to the ON position, on 600 series sub zeros we want to see the word ICE illuminated in the display. For BI series ice......

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The Sub-Zero Condenser Fan Guide

The purpose of this post is to show you how to replace the Condenser Fan Motor in your Sub-Zero Refrigerator.We will go into detail about the different Sub-Zero configurations used to mount the Fan, best practices in replacement, when to replace and why. I have been doing this a long time and will try to post pictures to accommodate my descriptions. If you have come to this page simply looking to have an experienced technician dispatched to your residence in the New York and New Jersey area, please give us a call at......

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This Guide is designed to Save You Time and Money. Lets be honest, calling an appliance repair service from the web can be a crap shoot. Most of the time you would prefer to handle your own problems and save money doing so, I know I do. If you are a home owner I suggest making an appointment with an appliance company specializing in Sub-Zero before beginning this guide, its always good to get your appointment first. If you fix it yourself, call and cancel, not a big deal.This guide will start with simple things......

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How to Change a Sub Zero Light Switch

Please turn power off to your unit at the fuse box before operating on your Sub-Zero. Tools Required: Phillips head screw driver, needle nose plier. Step One:  Remove the grill from your Sub-Zero. Removing the grill from your Sub-Zero is usually accomplished by first removing screws above doors on the frame of the unit. Once the screws are removed you can pull the grill forwards and remove any springs. If you have a wooden grill, you must first remove the wooden trim by pushing up on it and pulling the bottom towards you. Next,......

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Certified Refrigeration LLC is a business specializing is the repair and maintenance of high-end refrigeration products produced by the Sub-Zero & Wolf group. We are a day of service that dispatches employees to residences in order to diagnose and repair refrigeration units. We have an excellent satisfaction rating amongst our customers due to our quick access to parts, reliability and punctuality. Certified Refrigeration is looking to hire a HVAC technician to join our team and start a career in the New York and New Jersey Tri-State area. The candidate will begin an on......

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Fix Your Sub Zero Lights

How to fix your Sub Zero lights will be detailed in this article. If you have come here looking for advice on replacing light bulbs in your sub-zero, read on. If you are in the New York Tri-State Area and need professional assistance please call us toll free at (800) 200 2306 or Email Us. Step one – Identify your Sub Zero Model and identify the lightbulbs your unit works with. Using the correct lightbulbs is critical as the wrong bulbs can affect more than just the lighting of your refrigerator, it can even......

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Subzero Not Working

The refrigerator is a relatively simple machine. However, there are  some large main components that eventually fail.  Many common causes of inefficient refrigeration have to do with the wear on the motors and electronics not working properly within the unit. Refrigerators are extremely susceptible to this wear and tear because it is one of the most heavily used appliances in the household with motors constantly running trying to keep a the compartment of the unit at a given temperature. If your refrigerator is not working or not cooling here are a few things to......

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