Do Door Heaters Need to Run All the Time?
The reason for the powerful heaters on most reach-in cooler and freezer doors is to prevent fog or condensation on them. When the glass in those doors becomes fogged, the products behind are less visible [...]
Will Switching Off the Evaporators Waste Energy?
Turning off the evaporator fans after the compressor is switched off does not waste the thermal inertia (the "cold") inside the evaporator coils. Once the refrigerant inside the evaporator coils is evaporated and returned to [...]
Why Does My Walk-In Need a Defrost Cycle?
An evaporator should never be allowed to get so iced up that it looks like this. However, a frosted evaporator is the unavoidable result of having the air inside a walk-in cooler, which always has [...]
Refrigeration Beyond the Meter
Dave and Ken had a great chance to sit down and chat with Carl Weinschenk, the Managing Editor of Energy Manager Today on his Behind the Meter Podcast. Check out the discussion about how traditional refrigeration [...]
10 Ways to SAVE with Evaporators
The evaporator fans inside your commercial walk-in cooler or freezer are probably running right now. In fact, they probably run all the time, spinning 24/7/365, delivering cold air to keep your store’s valuable foods [...]
What’s the Difference Between Electrical Demand and Electrical Usage?
Sometimes it seems like your electric bill is designed to make it hard for you to know how it is calculated. With charges for generation, transmission, transition, distribution, demand, energy efficiency, renewable energy, and [...]