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Economic model for heat reclaim


About this presentation

related to ATMOsphere Asia 2016
published on 10 February 2016
19 pages

Crookston’s presentation investigated the cost gains and losses associated with using heat reclaim domestic hot water units in three of Sobeys’ Canadian provinces – Ontario, Nova Scotia and British Columbia. Crookston noted that at 70 degrees Celsius, the gas cooler/condenser’s workload fell by 6-7%.

About the speaker(s)

Ian Crookston


Ian Crookston is responsible for national utility (electricity, heating fuels and water) lifecycle (procurement, consumption and conservation) spend optimization. Sobeys ( is one of Canada's two national retail grocery and food distribution companies with annual revenues of more than $23.9 billion (CAD). Sobeys is a wholly-owned subsidiary of Empire Company Limited and owns or franchises more than 1,500 stores in all 10 provinces under retail banners that include Sobeys, Safeway, IGA, Foodland, FreshCo, Price Chopper, Thrifty Foods and Lawtons Drugs as well as more than 370 retail fuel locations. Ian is a Professional Engineer with a Masters of Applied Science from the University of Waterloo. He is also a Certified Energy Manager and a member of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE).