The 120-door frozen section at Hannaford’s new store in Brunswick, Maine, consists entirely of propane-based self-contained cases linked to a glycol loop for heat removal.
Numerous speakers will share insights on hydrocarbon HVAC&R trends and technologies at the in-person event in June near Washington, D.C.
In South Burlington, Vermont, the chain has installed a lineup of R290 low-temperature cases along with a CO2/glycol chiller to cool medium-temperature cases.
Efficiency Vermont provides funds to Hannaford for CO2 and R290 equipment and to a food bank for a transcritical system.
Winners include Hannaford, Frialsa, South-Town Refrigeration, Hussmann and Julie Cerqueira.
Maine chain is testing R290 low-temperature cases for new stores and as a retrofit option in existing stores.
A higher flammable refrigerant charge limit, likely to be approved in 2019, should broaden the market for hydrocarbons in commercial refrigeration, according to manufacturers.
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