Tips & Tutorials

June 10, 2026

Sub-Zero Water Filter Replacement and Refrigerator Not Cooling: What to Check First

Two of the most common calls we receive at Clarke Customer Care are about Sub-Zero water filters and refrigerators that aren’t cooling the way they should. Both are issues that homeowners can often address on their own with the right information — and both are cases where knowing when to...

A man in blue loungewear stands in a modern kitchen holding a bowl, with the refrigerator door open, revealing organized food items inside.