Search results

Field measurement-based validation of fault diagnostics for commercial building HVAC systems.

• Author(s) : EBRAHIMIFAKHAR A., CHEN Y., YUILL D. P., CROWE E.
• Publication date: 2022
• Languages : English
• Keywords : Commercial building, Failure, Detection, Conditionneur d'air en toiture, Sensor, Economizer, Energy saving
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Informed machine learning to develop a reduced order model of unitary equipment.

• Author(s) : YOUSAF S., BRADSHAW C. R., KAMALAPURKAR R., SAN O.
• Publication date: 2022
• Languages : English
• Keywords : Air conditioning, Conditionneur d'air en toiture, Machine learning, Artificial neural network, Modelling
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Analysis of automated fault detection and diagnostics records as an indicator of HVAC fault prevalence: methodology and preliminary results.

• Author(s) : EBRAHIMIFAKHAR A., YUILL D., SMITH A. D., GRANDERSON J., CROWE E., CHEN Y., REEVE H.
• Publication date: 2021/05/24
• Languages : English
• Keywords : Commercial building, Failure, Air treatment, Conditionneur d'air en toiture, Database, Modelling, Detection
• Source: 2021 Purdue Conferences. 6^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

A high efficiency rooftop air conditioning system using multi-speed compressors.

• Author(s) : HU Y., SHEN B.
• Publication date: 2024/11
• Languages : English
• Keywords : Heat pump, Conditionneur d'air en toiture, Energy efficiency, Cooling capacity, R452B, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 167
• Formats : PDF

Computer simulation of various heat recovery systems in a rooftop unit and analysis of their performance.

• Author(s) : LLOPIS-MENGUAL B., ALVAREZ-PINEIRO L., CAZORLA-MARÍN A., NAVARRO-PERIS E.
• Publication date: 2022/04
• Languages : English
• Keywords : Conditionneur d'air en toiture, Heat recovery, Modelling, Seasonal performance, Energy efficiency, Rotary exchanger
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• Formats : PDF

IIR document

Accelerated equipment reliability evaluation of R-13I1 (CF₃I) in R-466A.

• Author(s) : KUJAK S., SORENSON E.
• Publication date: 2021/06
• Languages : English
• Keywords : Testing, Chemical property, Chemical analysis, Split system, Conditionneur d'air en toiture, Optimization, R466A , Compatibility, Iodine
• Source: 2^nd IIR Conference on HFO Refrigerants and Low GWP Blends
• Formats : PDF

Integrated Value Engineering and Life Cycle Cost Modeling for HVAC System Selection.

• Author(s) : AL-GHAMDI M. A., AL-GAHTANI K. S.
• Publication date: 2022/02
• Languages : English
• Keywords : Saudi arabia, Life cycle, Cost, Modelling, Air conditioning, Case study, Chiller, Office, Building, Simulation, Conditionneur d'air en toiture, Variable volume
• Source: Sustainability - vol. 14 - n. 4
• Formats : PDF

IIR document

Study on air conditioner with dense membrane.

• Author(s) : LIM H., CHOI S., CHO Y., et al.
• Publication date: 2019/08/24
• Languages : English
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Demonstration of a load-based testing methodology for rooftop units with integrated economizers.

• Author(s) : DHILLON P., HORTON W. T., BRAUN J. E.
• Publication date: 2021/05
• Languages : English
• Keywords : Energy efficiency, Variable speed, Commercial application, Economizer, Air conditioning, Packaged unit, Conditionneur d'air en toiture, Building, Testing, Modelling, Performance, Test room
• Source: 2021 Purdue Conferences. 18^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Good installation practices for room air conditioners.

• Author(s) : MOHGAONKAR D.
• Publication date: 2015/01
• Languages : English
• Source: Air Conditioning and Refrigeration Journal - vol. 3 - n. 1
• Formats : PDF

Energy consumption of 100 australian residential air conditioners.

• Author(s) : LAW A., OSMAN P., AMBROSE M., et al.
• Publication date: 2014/11
• Languages : English
• Source: EcoLibrium - vol. 13 - n. 10
• Formats : PDF

IIR document

A detailed dynamic modeling of the split-type air conditioner.

• Author(s) : YANG Y., REN C. Q., YU L., et al.
• Publication date: 2019/08/24
• Languages : English
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Refrigerant R-32 for air conditioners and heat pumps.

• Author(s) : DHONT H.
• Publication date: 2015/06/12
• Languages : English
• Source: Le ultime tecnologie del freddo e del condizionamento. Atti del 16° Convegno Europeo: June 12-13, 2015, Milano, Italia.
• Formats : PDF

IIR document

The first 60,000 HC-290 split air conditioners in India.

• Author(s) : RAJADHYAKSHA D., WADIA B. J., COLBOURNE D.
• Publication date: 2014/08/02
• Languages : English
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

IIR document

Performance assessment of air conditioner using HFC-161.

• Author(s) : PADALKAR A., MALI K., KADAM A, et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

The energy impact of air conditioner use in India

According to the World Bank, in 2011, there were roughly 5 million room air conditioners (ACs) in India, while other estimates show higher levels up to 9.7 million ACs in 2010 for residential use alone.

• Publication date : 2015/05/05
• Subjects: Figures, economy

How to reuse the condensate water from air conditioners?

Review of the different uses of the condensate water rejected by air conditioners.

• Publication date : 2020/09/04
• Subjects: Developing country

Indonesia's air conditioners market

Indonesia’s air conditioners market is expected to grow at the Compounded Annual Growth Rate (CAGR) of around 13% during 2013-2018.

• Publication date : 2014/03/24
• Subjects: Figures, economy

World air conditioner market

According to JARN, the global air conditioner market fell by 3.6% year on year in 2015, which is the first drop seen since 2012.

• Publication date : 2016/08/08
• Subjects: Figures, economy

World air conditioner market

A few statistics on world air conditioner market from JARN.

• Publication date : 2017/05/31
• Subjects: Figures, economy

Improving air conditioners in India

The recent report “Improving Air Conditioners in India” underlines actions for the Indian room AC market to grow sustainably by using “climate-friendly” room ACs that are both energy efficient and use climate-safe refrigerants.

• Publication date : 2018/05/17
• Subjects: Figures, economy, Developing country

New air conditioner system features “3D” camera

Japanese manufacturer Hitachi recently unveiled nine models of residential air conditioners with an unusual feature. The Stainless Clean Shirokuma-kun X series units features the company's "Living Camera 3D" technology.

• Publication date : 2015/05/05

Air conditioner market in Africa

JARN estimates total air conditioner demand in Africa at more than 3 million units in 2013, representing 2.9% of the global air conditioner market.

• Publication date : 2014/08/11
• Subjects: Figures, economy

Qatar will ban inefficient air conditioners

The importation, storage, display and sale of inefficient air conditioners is to be banned in Qatar from July 1, 2016.

• Publication date : 2016/04/13
• Subjects: Regulation

Algerian air conditioner market in 2015

Algeria’s market scale in 2015 is estimated at about 356,000 units.

• Publication date : 2016/09/29
• Subjects: Figures, economy

Egyptian air conditioner market in 2015

Over 95% of the Egyptian market was dominated by split type room air conditioners in 2015.

• Publication date : 2016/10/03
• Subjects: Figures, economy

The African air conditioner market in 2015

The market decreased by 8.2% year on year in 2015 with market scale falling to 2.6 million units.

• Publication date : 2016/09/30
• Subjects: Figures, economy

Explosion of the number of air conditioners in China

A report of the International Energy Agency gives interesting figures on air conditioning in China.

• Publication date : 2018/06/18
• Subjects: Figures, economy

World’s first 3D printed fully functional air conditioner

Haier Group unveiled the world’s first ever 3D printed fully functional air conditioner.

• Publication date : 2015/06/23

Flammability hazards of air conditioners using R290 (propane)

R290 (propane) attracts a lot of interest as a replacement refrigerant of high-GWP HFCs for household air conditioners, due to its negligible GWP, favourable system performance and relatively low cost. However, it raises some questions due to its...

• Publication date : 2014/01/02

Member News: Daikin partners with Fujifilm to reduce noise from some of its ventilation/humidification units

The Japanese company Daikin will soon use a new technology to reduce noise in some of its ventilation and humidification units. 

• Publication date : 2022/02/28

IIR member news: Daikin launches new VRV solution

Daikin has launched a new VRV solution to meet the specific demands of city and urban locations where space is limited and customers want an invisible air conditioning solution.

• Publication date : 2015/09/20

IIR member news: Daikin

From 2012 to March 2015, over 3 million units of Daikin’s residential and commercial air conditioners using the “mildly flammable” R32 have been sold in 43 countries.

• Publication date : 2015/10/11

IIR member news: Daikin signs a partnership on CO2 capture

Daikin recently signed a partnership with Doshisha University in Kyoto to work on CO2 capture and higher efficiency air conditioners.

• Publication date : 2020/04/23

Clim'Eco: the IIR is a partner of this new program, which began this year in Réunion.

This program aims to promote a reasonable use and good maintenance of air conditioning in the French overseas departments.

• Publication date : 2020/10/22