by Andre Patenaude | Mar 8, 2022 | Cold Chain
Welcome to the final installment of our CO2 Refrigeration Fundamentals blog series. So far, we’ve examined R-744’s unique properties, servicing tips, system operation and design strategies— all of which correspond with topics in our CO2 Chats educational videos. For...
by Jennifer Butsch | Jan 3, 2022 | Heating & Air Conditioning
Previously we have looked at federal minimum energy efficiency levels and the metrics used today to rate air conditioning systems (such as SEER, integrated energy efficiency ratio, or full load EER). Now we are shifting focus and looking at system efficiency and where...
by Andre Patenaude | Feb 16, 2021 | Efficiency, Efficiency & Refrigerant Regulations, Refrigerants
The need to reduce refrigerant charges in commercial refrigeration systems is often the focus of environmental regulations and sustainability initiatives shared by many supermarket retailers and operators. The reason is simple: lowering refrigerant charges reduces the...
by Andre Patenaude | Feb 9, 2021 | Cold Chain, Food Retail
For many supermarket operators, reducing energy spend in their refrigeration systems is a key sustainability objective. But as most refrigeration systems drift from their original commissioned states, they inevitably lose efficiencies over time. In a recent RSES...
by Julie Havenar | Jan 5, 2021 | Codes & Standards, Efficiency & Refrigerant Regulations, Food Safety
In 2017, the Department of Energy (DOE) passed its final rule on new energy conservation standards for walk-in coolers and freezers (WICFs). The ruling mandated new efficiency requirements on WICFs with dedicated condensing systems in both low- and medium-temperature...