Articles by Ron Rajecki

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.

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

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. 

There is always plenty of activity taking place on the HVACR side of the supermarket and restaurant industries. Here’s a quick look at eight items of note.

The growing importance of the cold chain was highlighted in June as the Global Cold Chain Alliance (GCCA) for the first time held its expo as a separate entity co-located with the Food Marketing Institute’s (FMI’s) Connect Expo and the United Fresh show.

When you hear that your facility will be the target of an OSHA inspection, step back and examine the strengths and weaknesses of your safety program, and think about how you can focus the attention on the strengths. Although OSHA will come in looking for anything you’re doing wrong, you want to make sure they’re aware of all the things you’re doing right.

The winner of the 2016 gold award in the Dealer Design Awards (DDA) Refrigeration and Ice Machines category is JB Industries' F6 dual-piston refrigerant recovery unit. The F6 features a 1-horsepower (hp) motor, a dual-piston compressor, and a high-efficiency microchannel condenser, which helps it to quickly recover refrigerants.

Variable-speed compressors and motor control drives that enable system manufacturers to achieve 25-plus SEER, 13-plus HSPF, and 29 IEER earned Emerson Climate Technologies Inc. the gold award in the Dealer Design Award’s (DDA’s) Components and Accessories category.