Refrigeration - Articles - Page 133

There is a clear difference between hard ice (right) and soft ice. Photo courtesy of Ferris State University

The Professor: A Toast to Decorative Spherical Ice

Ice is a serious business, but it can also be fun and creative

September 12, 2016

Homes, restaurants, bars, and businesses rely on clear, clean ice for many applications. Ice is considered a food source, and the water that makes the ice must be of good quality. Good quality water will produce a crystal-clear, hard piece of ice.

Ice Breaker: Temporary Benefits of Saddle Valves

They’re good in a pinch but consider replacing them when possible

Joe Marchese

September 12, 2016

One common access valve initially used is some type of saddle valve. These valves are convenient and generally easy to install, but they are not usually considered to be a long-term type of valve and generally should not be left on a system permanently.

Cleaning Microchannel Coils

A little TLC goes a long way

Ron Rajecki

September 12, 2016

Keeping any kind of air conditioning or refrigeration coil clean is important for proper heat exchange, and microchannel coils are no exception. As these types of coils continue to grow in popularity, technicians should know that the microchannel cleaning procedures can differ from those for cleaning standard fin-and-tube coils.

DOE Issues a Notice of Proposed Rulemaking Pertaining Energy Conservation Standards for Walk-In Cooler and Freezer Refrigeration Systems

September 9, 2016

DOE proposes prescribing energy conservation standards for certain categories of walk-in cooler and freezer refrigeration systems and plans to hold a public meeting to receive comment on these proposed standards along with their accompanying analyses.

Nor-Lake Introduces New Undercounter/Worktable Refrigerators and Freezers

Line frees area workspace, is energy efficient, and easy to maintain

September 8, 2016

Nor-Lake, manufacturer of refrigeration equipment for the foodservice, scientific, and industrial markets, has introduced the new AdvantEDGE™ undercounter/worktable refrigerator and freezer line. The line offers a new design to capitalize on available workspace, and provide energy efficiency and easy maintenance.

ComStar Introduces R-22 Replacement Refrigerant for Ice Rink Systems

RS-45 said to be a true drop-in replacement for R-22

September 7, 2016

ComStar International Inc. has announced a new refrigerant for ice rink managers to comply with the phaseout of R-22 refrigerant. The company said its replacement refrigerant is for use in flooded liquid overfeed ice rink systems and does not require changing components or oil.

Carrier Transicold Launches Refrigeration Unit for Light Commercial Vehicles

Provides constant refrigeration capacity, which is ideal for vehicles driven in congested urban areas

September 6, 2016

Florists, grocers and other businesses that use small refrigerated trucks and delivery vans have a new cooling option from Carrier Transicold: the Neos™ 100S alternator-driven electric refrigeration unit.

GEO and HRAI Sign Memorandum of Understanding

It will promote and facilitate mutual cooperation and assistance between the associations

September 5, 2016

The Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) and the Geothermal Exchange Organization (GEO) announced a memorandum of understanding (MOU) to establish a framework for cooperation in the ongoing development and improvement of the geothermal heating and cooling industry.

This illustration shows some of the challenges restaurant clients may face, both in the front and back of the house, and why they need a good contractor partner. Illustration courtesy of Melink Corp.

Serve Up Great Restaurant Service

Restaurants present HVACR challenges, but also the potential for great partnerships

Ron Rajecki

September 5, 2016

Contractors who are responsive and stay on top of the challenges restaurants present can build trust with restaurant clients, which leads to strong partnerships.

Supermarket customers don’t care what HVACR contractors have to go through to keep their favorite beverages cold – they just expect the work to be done. Photo courtesy of Zero Zone, Inc.

Navigating the Aisles of Change

While changes keep coming for supermarkets, the HVACR industry keeps answering the call

Ron Rajecki

September 5, 2016

Many supermarkets converted their chlorofluorocarbon (CFC) and hydrochlorofluorocarbon (HCFC) refrigeration systems to hydrofluorocarbon (HFC) systems only to see HFCs targeted for a phaseout. Now, they’re hearing about natural refrigerants, distributed refrigeration, and cascade systems.