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 […]
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 […]
Refrigeration Smart Controls and Peak Energy Demand Reduction
In the first part of this blog series on energy consumption and peak energy demand, we explored the differences between the two and what they mean for your business in terms of energy usage costs, through examples. In today’s post, we will go more in-depth into peak demand reduction. As mentioned before, there is an […]
NRM is Proud to Play a Role in the Dunkin’ Brands, National Grid, and Eversource Energy Management Program
The energy management program, available to Dunkin’ Brands franchise owners, seeks to identify opportunities to improve the energy management capabilities of DD locations. It addresses whole building energy savings, while providing insight into building operations and system controls, with the goal of reducing overall operating costs and encouraging investments to pursue energy efficiency. Based upon a […]
In Connected, Smart Technologies, the HVACR Industry Sees a Real Game-Changer
Some of the best places to gain insight on the future outlook of specific technologies or industries are trade shows, conferences, and educational sessions hosted by industry leaders. Often, a new technology or product will ignite a flurry of buzz and anticipation, but without a full understanding of its impact or integration into its particular […]
In the Grocery Game, Refrigeration and HVACR Must Keep Evolving
As corporate goals in the grocery industries continue to evolve—with energy efficiency, sustainability, and wanting systems that provide more “bang for your buck” leading purchasing decisions—so too are the refrigeration systems being developed these days. Don Newlon, Vice President and General Manager of Emerson’s Commercial and Residential Solutions division, advises manufacturers to keep customer’s wants […]
Hey, HVACR Contractors, Here Are 5 Ways Smart Controls Can Improve Your Client Relationships
The majority of our blog posts are crafted with a general audience in mind. Those seeking to learn more information about energy efficiency, the operation and energy consumption of their commercial or industrial refrigeration equipment, how those systems tie into their operations management, as well as general trouble-shooting or maintenance tips. These types of posts […]
Evaporator Fan Cycling: Is it Really a Risk?
In most walk-in coolers and freezers, the evaporator fans run 24 hours a day, 365 days a year, at full speed. Those fans are not only consuming energy the whole time, they are also generating heat, and the constant swirling of the air picks up even more heat from surrounding lights, walls, open doors, and […]