Share

Integration of refrigeration and HVAC in supermarkets.

La integración de la refrigeración con el HVAC (calefacción, ventilación y aire acondicionado) en los supermercados.

Author(s) : NORDTVEDT T. S., HAFNER A.

Type of article: Article

Summary

Supermarkets have major impact in energy power consumption compared to other buildings in commercial activities. In fact the electric energy amount for heating/ventilation and air conditioning (HVAC), hot water and refrigeration utilities in supermarkets requires about 4% of the country's total electricity production in the United States and France and around 3% in Sweden. Thus, just a percentage in reduction represents a high improvement in terms of global energy saving, but this is difficult to perform because many factors are involved, e.g. ambient and indoor air temperatures, relative humidity, building envelope, store opening time, people presence and many others. In this work, the integration of a R744 (CO2) refrigeration system with a heating and ventilation of an existing supermarket has been evaluated. Some measurements of energy usage, opening hours, thermal loads of products and air temperature have been performed. Many ideas have been introduced in order to reduce the energy consumption; some of these are more beneficial compared to others. Therefore a system approach must be taken, evaluating various parameters at the same time. Proposals will be given on how to integrate and control a combined R744 refrigeration unit which delivers all heat to the HVAC unit. Energy storage issues are also discusses.

Available documents

Format PDF

Pages: 16-22

Available

  • Public price

    20 €

  • Member price*

    15 €

* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).

Details

  • Original title: La integración de la refrigeración con el HVAC (calefacción, ventilación y aire acondicionado) en los supermercados.
  • Record ID : 30010197
  • Languages: Spanish
  • Source: Frío Calor Aire acondicionado - vol. 41 - n. 464
  • Publication date: 2013/12

Links


See other articles in this issue (3)
See the source

Indexing