A 34,000 sq.ft. (10,363 m2) Lowe’s Market aimed to test R290 (propane) in terms of performance, safety, serviceability and total cost of installation. Gary Cooper, Director of Refrigeration at Lowe’s, described the glycol loop design specifically implemented to evaluate propane (170 ounces total charge (4.82 kg), 88 freezer doors, 35 condensing units). Among the main advantages of the system were energy reductions beyond expectations, extended compressor life and straight-forward ins
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