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HVAC Energy Efficiency in Commercial Buildings
1. b 3 sustainability Prepared by Alan Richardson August 22, 2011 Prepared by Alan Richardson Stakeholders HVAC Improving energy efficiency in existing non-residential buildings
10. Learning outcomes cont. September 22, 2010 Prepared by Alan Richardson Printed on recycled paper
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12. So where are you at? August 22, 2011 Prepared by Alan Richardson as an individual? as an organisation? Conscious Competent Unconscious Not Yet Competent Unconscious Competent Conscious Not Yet Competent
25. Central HVAC Air Handling Unit (AHU) AHU Chiller HWS Building Management System Cooling tower Diffuser Outside air intake Pumps with VSDs Heating coil Cooling coil Variable Speed Drive VSD VSD AHU Air Handling Unit (AHU) Variable Air Valve (VAV)
26. Central HVAC Air Handling Unit (AHU) AHU Chiller HWS Building Management System Cooling tower Diffuser How the cooling cycle in a central HVAC system Pumps with VSDs Heating coil Cooling coil Variable Speed Drive VSD VSD AHU AHU
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation
The Air-conditioning Comfort Chart was developed following the collection of a very large sample of data from people who were subjected to a range of combinations of temperature and humidity in an air-conditioned space and asked to nominate their degree of comfort. It indicates the range of comfort conditions in winter and in summer when participants were wearing appropriate clothing for each season. The chart also indicates the area where most of the people are comfortable most of the time whether they are wearing winter or summer clothing. By setting air-conditioning system controls to maintain conditions within the appropriate range for winter (20-24) or summer (23-26) conditions this will result in significant energy savings relative to the situation