Commercial rooftop units feature a host of intelligent solutions to improve efficiency and ease of service/installation.

Bacharach has been in acquisition mode lately, and the company was showing off the new products and relationships that resulted from that at this year’s AHR Expo in Atlanta.

At the AHR Expo, RectorSeal LLC highlighted several new products designed to combat leaks and corrosion, both on the inside of the unit and from salty sea breezes on the coast.

Spectronics Corporation is a 60-year-old company with a new generation of Made in the USA refrigerant leak detection dye — AR-GLO 5.

While servicing equipment, technicians should be on the lookout for sources of potential future leaks, as well as follow good service practices to prevent creating leaks.

Refrigerant regulations are another reason why change is coming, as HCFCs will be phased out by 2020, and given their high global warming potential (GWP), HFCs will likely be phased down in the near future as well. At some point, supermarkets will need to start considering low GWP alternatives such as HFO blends, as well as so-called “future-proof” refrigerants such as ammonia, CO2, or propane.

Manufacturers are rolling out a wide array of new equipment that utilizes all types of refrigerants, providing end users with a number of new options to consider.

These products have refrigerator and freezer model selections including both swing and slide door refrigerators and swing door freezers.

According to the Environmental Protection Agency (EPA), a typical food retail store leaks an estimated 25 percent of refrigerant, or approximately 1,000 pounds, annually.

The Environmental Investigation Agency (EIA) unveiled a new initiative identifying U.S. retailers committed to taking leadership action to reduce HFCs.

The Refrigeration Showcase educates contractors about new refrigeration products, so they can help customers make the right choice.

As refrigerant regulations grow more stringent, manufacturers are beginning to offer new refrigeration architectures that utilize low-GWP refrigerants.

While large grocery stores are not going away any time soon, there is a new trend taking hold in the marketplace: the small-format grocery store.

Grocers are becoming more vigilant in keeping their refrigeration equipment as clean as possible.

The equipment and components in this showcase are designed to appeal to both end users and the people who work on them in the field.

The Showcase is designed to educate contractors about the new commercial and industrial refrigeration products available.

Target and Amazon have both recently announced plans to construct new stores that contain CO2 refrigeration systems, which will help the retailers significantly reduce carbon emissions and energy use.

From ice machines to reach-ins to controls to components, the Showcase is designed to educate contractors about the new commercial and industrial refrigeration products available, so they can help their customers make the right choice for their application.

In an informative session at the NASRC’s Sustainable Refrigeration Summit, Publix and Coborn’s shared the pros and cons of incorporating CO₂ refrigeration systems into their stores.

These Emerson half-day CO₂ transcritical booster supermarket refrigeration courses will take place March 28, 29, and 30 at the Energy Education Center in Irwindale, California.

EPA recently expanded its list of acceptable refrigerant substitutes for new refrigeration equipment to include R-471A and R-515B.

At the AHR Expo, manufacturers displayed their latest commercial refrigeration equipment, which included condensing units, components, controls, and other solutions.

A New Hampshire grocer installed the innovative FlexCube refrigeration system, a modular technology using the A2L refrigerant R-454C, in his new store.

Air conditioning and refrigeration are marvelous inventions and have a transformative impact on comfort and health, underscoring their irreplaceable role in modern living.

Evaporative cooling is growing in demand as cooling needs are expanding.

Renewable energy enthusiasts now have reason to celebrate: EVAPCO offers a solar-powered evaporative cooling tower. The SUN cooling tower is paired with PV panels to dramatically reduce energy consumption.  

Although evaporative cooling is great at saving energy, it does consume some water, but the benefits on energy savings outweigh the water usage, which in some places is a scarce resource.

By splitting the absorption process into two steps, lithium bromide solution concentrations are lower in the system, enabling lower hot water temperatures within the generator, lower hot water flow rates, and the elimination of crystallization risk within the chiller.

It was a celebration for Yellow Jacket as the company kicked off its 70th anniversary. In a square booth with a large, lit banner, attendees were invited to explore what the company had produced from 1949 to 2019.

The most important features of electronic measuring devices have been established in customer surveys and are discussed in this article.

Technicians have the choice of using either a digital or mechanical manifold gauge. Each one has its benefits and disadvantages, which is why it may pay to own one of each kind.

Through the new integration, ecobee thermostat owners who also own Generac home standby generators can easily see the status of the generator and remedy potential issues.

Lennox received a 2023 Green Builder Sustainable Product of the Year recognition.

Troubleshooting refrigeration systems can be complex and frustrating, so put aside any assumptions and inspect the system thoroughly before making any diagnosis.

Contractors need to implement a refrigerant management strategy that accommodates both legacy and A2L systems, as well as emphasizes recovery and reclamation.

Timely refrigeration repairs are crucial to avoid product loss; temporary fixes can sometimes keep systems running until parts arrive.

Cleaning evaporator coils in a walk-in cooler can be challenging, but it needs to be done in order to keep the system operating efficiently.  

Geothermal heat pumps tap into a renewable source of energy to provide comfort for a home, and HVAC contractors can tap into this market for increased sales.

Four core components work together to control when refrigerant is absorbing heat, and when it is releasing heat.

The pandemic has marked a turning point for an underutilized technology for infectious disease control in buildings.

CO₂ refrigeration systems demand both classroom knowledge and hands-on experience, which is why blending theory with practice creates top-notch technicians.

In supermarkets, where HVAC and refrigeration equipment use 50 to 60 percent of all electricity consumed, new technologies and advanced control strategies have been developed to help boost energy efficiency as well as reduce emissions.

BrainBox AI intends to integrate ABB’s MSR business and its installed base of 12,000-plus retail locations in its current operations.

Last year was a notable one for Testo Inc. as the test and measurement manufacturing company celebrated its 60th anniversary. However, 2018 promises to be just as momentous as Testo US will reach its 35th anniversary milestone.

This product now features mercury-free temperature elements as an option in any 8- or 12-inch case configuration, in ranges between minus 30˚ and 600˚F.

Grocers are looking to their refrigeration contractor partners to be the experts and make suggestions about how they can transition smoothly to the new low-GWP refrigeration technologies.

GreenChill recognized nine supermarket and commercial refrigeration leaders for exceptional achievements to reduce the impacts of commercial refrigeration systems on the environment. 

NASRC has launched a workforce development program that focuses on recruitment, training, and retention, in order to combat the critical shortage of refrigeration technicians. 

Posted by Gordon Fyodor Lyon on Oct 05

Posted by Dave Aitel via Dailydave on Aug 15