About this presentation

related to ATMOsphere Europe 2015
published on 16 March 2015
7 pages
836 KB

Green & Cool presented a case study on the first ice rink in Europe to use CO₂ technology, located in Gimo, Sweden. The ice rink was fitted with a new energy management system based on transcritical CO₂ refrigeration. The system allows for reduced energy usage, mainly due to heat reclaim, which is the dominating saving-factor for the ice rink owner, together with lower service costs. In order to fully utilise the heat recovery potential of CO₂, the heat reclaim system was designed and adapted to fit the properties of CO₂ (R744). Another special feature is the geothermal connection which provides a “warm climate” as well as a “cold climate” solution. After three months of operation, the daily average energy usage is down to 1500 kWh from 4200 kWh, which suggests that the seasonal energy usage will be about 350 000 kWh. This is an energy saving for the municipality of about 600 000 kWh a year, corresponding to over 60% energy cost reduction.

About the speaker(s)

Kent Hofmann

 

Kent is an experienced engineer with over 30 years service in the HVAC and refrigeration industry covering consultancy, subcontracting, wholesale and manufacturing, with a special interest in energy efficiency and natural refrigerants. He has experience in systems using ammonia, propane, water and carbon dioxide and how to integrate these in supermarkets, industry and other commercial buildings. He joined the sales team at Green & Cool in mid 2010 to sell and promote trans-critical CO₂ systems in Europe.