Energy saving study in a hotel HVAC system

J. S. Hu; Philip C.W. Kwong; Christopher Y.H. Chao

Energy saving study in a hotel HVAC system

J. S. Hu
, Philip C.W. Kwong
, Christopher Y.H. Chao

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

Abstract

Energy conservation is one of the key issues for environmental protection and sustainable development. Currently, about 17% of the total energy is being consumed for heating, ventilation, air conditioning (HVAC) and refrigeration in Hong Kong. Therefore, energy saving in the HVAC systems of buildings is an important topic. In this paper, a study on the energy saving in a hotel HVAC system was carried out. The cooling load features of the hotel were analyzed. Retrofitting strategy of the HVAC system in the hotel was then designed. It included replacement of the chillers and pumps followed by adopting a newly designed control scheme based on the pattern of the cooling load. The control scheme consisted of controls of the chillers, pumps and cooling towers. An intelligent algorithm was developed to ensure the chillers work at the highest COP under different conditions. It was found that with the new system, about 63% to 74% of the chiller/pump system energy could be saved in that hotel. The result shows that for buildings such as hotels, a good control on the operation of the chillers and pumps is crucial.

Original language	English
Title of host publication	IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings
Subtitle of host publication	Sustainable Built Environment
Pages	91-98
Number of pages	8
Publication status	Published - 2007
Event	6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007 - Sendai, Japan Duration: 28 Oct 2007 → 31 Oct 2007

Publication series

Name	IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment
Volume	2

Conference

Conference	6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007
Country/Territory	Japan
City	Sendai
Period	28/10/07 → 31/10/07

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Control scheme
Energy saving
Hotel
HVAC

ASJC Scopus subject areas

Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment

Cite this

Hu, J. S., Kwong, P. C. W., & Chao, C. Y. H. (2007). Energy saving study in a hotel HVAC system. In IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment (pp. 91-98). (IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment; Vol. 2).

Hu, J. S. ; Kwong, Philip C.W. ; Chao, Christopher Y.H. / Energy saving study in a hotel HVAC system. IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment. 2007. pp. 91-98 (IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment).

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title = "Energy saving study in a hotel HVAC system",

abstract = "Energy conservation is one of the key issues for environmental protection and sustainable development. Currently, about 17\% of the total energy is being consumed for heating, ventilation, air conditioning (HVAC) and refrigeration in Hong Kong. Therefore, energy saving in the HVAC systems of buildings is an important topic. In this paper, a study on the energy saving in a hotel HVAC system was carried out. The cooling load features of the hotel were analyzed. Retrofitting strategy of the HVAC system in the hotel was then designed. It included replacement of the chillers and pumps followed by adopting a newly designed control scheme based on the pattern of the cooling load. The control scheme consisted of controls of the chillers, pumps and cooling towers. An intelligent algorithm was developed to ensure the chillers work at the highest COP under different conditions. It was found that with the new system, about 63\% to 74\% of the chiller/pump system energy could be saved in that hotel. The result shows that for buildings such as hotels, a good control on the operation of the chillers and pumps is crucial.",

keywords = "Control scheme, Energy saving, Hotel, HVAC",

author = "Hu, \{J. S.\} and Kwong, \{Philip C.W.\} and Chao, \{Christopher Y.H.\}",

year = "2007",

language = "English",

isbn = "9784861630712",

series = "IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment",

pages = "91--98",

booktitle = "IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings",

note = "6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007 ; Conference date: 28-10-2007 Through 31-10-2007",

}

Hu, JS, Kwong, PCW & Chao, CYH 2007, Energy saving study in a hotel HVAC system. in IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment. IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, vol. 2, pp. 91-98, 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007, Sendai, Japan, 28/10/07.

Energy saving study in a hotel HVAC system. / Hu, J. S.; Kwong, Philip C.W.; Chao, Christopher Y.H.
IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment. 2007. p. 91-98 (IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment; Vol. 2).

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

TY - GEN

T1 - Energy saving study in a hotel HVAC system

AU - Hu, J. S.

AU - Kwong, Philip C.W.

AU - Chao, Christopher Y.H.

PY - 2007

Y1 - 2007

N2 - Energy conservation is one of the key issues for environmental protection and sustainable development. Currently, about 17% of the total energy is being consumed for heating, ventilation, air conditioning (HVAC) and refrigeration in Hong Kong. Therefore, energy saving in the HVAC systems of buildings is an important topic. In this paper, a study on the energy saving in a hotel HVAC system was carried out. The cooling load features of the hotel were analyzed. Retrofitting strategy of the HVAC system in the hotel was then designed. It included replacement of the chillers and pumps followed by adopting a newly designed control scheme based on the pattern of the cooling load. The control scheme consisted of controls of the chillers, pumps and cooling towers. An intelligent algorithm was developed to ensure the chillers work at the highest COP under different conditions. It was found that with the new system, about 63% to 74% of the chiller/pump system energy could be saved in that hotel. The result shows that for buildings such as hotels, a good control on the operation of the chillers and pumps is crucial.

AB - Energy conservation is one of the key issues for environmental protection and sustainable development. Currently, about 17% of the total energy is being consumed for heating, ventilation, air conditioning (HVAC) and refrigeration in Hong Kong. Therefore, energy saving in the HVAC systems of buildings is an important topic. In this paper, a study on the energy saving in a hotel HVAC system was carried out. The cooling load features of the hotel were analyzed. Retrofitting strategy of the HVAC system in the hotel was then designed. It included replacement of the chillers and pumps followed by adopting a newly designed control scheme based on the pattern of the cooling load. The control scheme consisted of controls of the chillers, pumps and cooling towers. An intelligent algorithm was developed to ensure the chillers work at the highest COP under different conditions. It was found that with the new system, about 63% to 74% of the chiller/pump system energy could be saved in that hotel. The result shows that for buildings such as hotels, a good control on the operation of the chillers and pumps is crucial.

KW - Control scheme

KW - Energy saving

KW - Hotel

KW - HVAC

UR - https://www.scopus.com/pages/publications/84863151529

M3 - Conference article published in proceeding or book

AN - SCOPUS:84863151529

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T3 - IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment

SP - 91

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BT - IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings

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Y2 - 28 October 2007 through 31 October 2007

ER -

Hu JS, Kwong PCW, Chao CYH. Energy saving study in a hotel HVAC system. In IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment. 2007. p. 91-98. (IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment).

Energy saving study in a hotel HVAC system

Abstract

Publication series

Conference

UN SDGs

Keywords

ASJC Scopus subject areas

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