Walk-in Cooler/Freezer Electric Defrost 101 [Part 1]

Here’s a basic rundown: there are defrost heater elements located within the coils of your freezer evaporator units. They are controlled by a time clock and turn on during certain times of the day to keep coils free of ice.

Restricted Refrigerant Flow? It Could be the Metering Device

One of the most common issues that a commercial or industrial refrigeration system contends with is restricted refrigerant flow. An issue with your metering device — the thermostatic expansion valve (TXV) — can cause serious headaches and potential damage.