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.

Oil-Filled Temperature Sensors for HVACR 101

Oil-filled temperature sensors are one of three, general sensor options along with electronic or gas-filled. Oil-filled may be worth considering if, for example, you wanted to track something like the internal temperature of stored product. This blog post introduces oil-filled temperature sensors.