Where’s the Most Expensive Ice in the World? On Your Evaporator Coils

We all know ice is great; it’s cheap, can be bought in bulk, and cools most things that we can think of that need to be cooled. But there are several kinds of undesirable ice that end up costing a lot for operating refrigeration equipment in commercial and industrial coolers and freezers. This type of ice is costly, […]

Walk-in Cooler/Freezer Electric Defrost 101: Efficiency [Part 3]

Now that we know what electric defrost is, how it works and how much it costs—it’s time to talk about how to use it more efficiently by implementing several control strategies. Electric defrost is a necessity to keep commercial walk in freezers working properly, but it can also be an energy guzzler if over used. […]

Walk-in Cooler/Freezer Electric Defrost 101: Cost [Part 2]

Last week, we wrote about why you need electric defrost for your commercial freezer and how it works. Here’s a quick refresher. A defrost system is necessary in walk in freezers that maintain product temperature at or below freezing to prevent build-up of ice around the evaporator. This helps avoid equipment failure and maintain highest operating efficiency. At […]

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

If you own a commercial walk-in freezer, but aren’t really sure how it works [other than keeping products frozen] you may not be aware of a hidden energy consuming monster called electric defrost, a common defrost method for commercial walk-in freezers. Here is a basic run down—there are defrost heater elements (similar to the elements […]

Refrigeration Problem of the Week: Evaporator Fans Shut Off Manually

In this new weekly blog series, NRM will highlight an issue a customer had and was able to resolve with our industry-leading control and monitoring solutions. Some of the most major refrigeration problems can go undetected and result in equipment failures and/or product loss. Problem of the Week: Evaporator Fans Manually Shut Off As is often […]

Tripped Circuit Breaker? Sometimes The Easy Diagnosis Isn’t So Easy

In fast moving industries or during laborious work days, we often seek to find the easy and quick solution to problems we encounter. If we’re crunched against deadlines, multitasking too many duties as has become the expectation in today’s business world, or faced with a quandary we simply don’t have the expertise to solve on […]

The Future of HVACR Energy Efficiency: Monitoring-Based Commissioning

Monitoring-Based Commissioning (MBCx) is getting a lot of attention these days in the energy efficiency field. Why? Simply put, to save money in energy usage and maintenance costs of HVAC, refrigeration, Chiller, and other types of equipment utilized by office, commercial, institutional and industrial buildings. For those of you who aren’t familiar with this term, MBCx […]