David Kowalski
Senior Refrigeration Specialist
David focuses exclusively on refrigeration systems, from built-in Sub-Zero units to wine storage solutions. His expertise in sealed system repairs makes him our go-to specialist for complex cooling issues.
Certifications
- Sub-Zero Master Technician
- EPA Universal Certification
- Refrigeration Systems Specialist
Specialties
Articles by David
Refrigerator Not Cooling? Complete Troubleshooting Guide
Is your refrigerator warm inside? Learn how to diagnose cooling problems and when to call a professional technician.
December 4, 2025
Refrigerator Not Cooling? Common Causes and Solutions
When your refrigerator stops cooling properly, food safety becomes a concern. Learn about the most common causes and what you can do before calling a technician.
November 14, 2025
Ice Maker Not Working? Diagnose and Fix Common Problems
Troubleshoot your Sub-Zero, Viking, or other ice maker with our comprehensive diagnostic guide.
October 11, 2025
Ice Maker Not Working: Complete Troubleshooting Guide
Ice maker problems are among the most common refrigerator complaints. This comprehensive guide covers everything from simple fixes to issues that require professional attention.
September 17, 2025
Summer Refrigerator Care: Beating the Heat
Hot, humid Massachusetts summers challenge your refrigerator. Learn how to maintain optimal cooling during the warmest months.
June 4, 2025
How to Clean Refrigerator Condenser Coils: Step-by-Step Guide
Dirty condenser coils are the leading cause of refrigerator failure. Learn the proper cleaning technique used by professional technicians.
May 13, 2025
Freezer Frost Buildup: Causes and Prevention
Excessive frost in your freezer affects performance and food quality. Learn why frost accumulates and how to prevent it.
May 7, 2025
Wine Cooler Temperature Problems: Protecting Your Collection
Wine requires precise temperature control for proper storage. Learn how to identify and address temperature issues in your wine cooler.
March 19, 2025