Search results

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
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• 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

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
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

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
• 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
• Source: 2021 Purdue Conferences. 6^th International High Performance Buildings Conference at Purdue.
• 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
• Source: 2^nd IIR Conference on HFO Refrigerants and Low GWP Blends
• Formats : PDF

Rooftop refrigeration unit performance.

• Author(s) : ELOVITZ K. M.
• Publication date: 2016/04
• Languages : English
• Source: ASHRAE Journal - vol. 58 - n. 4

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
• Source: Sustainability - vol. 14 - n. 4
• Formats : PDF

The 2020 HVACR market in the EMEA region

• Author(s) : Eurovent
• Publication date: 2021/08
• Languages : English, French
• Keywords : Air conditioning, Chiller, Europe, Information technology, Conditionneur d'air en toiture, Fan-coil unit, Air curtain, Chilled beam, Dehumidifier, Filter, Cooling tower, Economy, Statistics, Market
• Formats : PDF

Recommended by the IIR

Space cooling market in Europe: assessment of the final energy consumption for the year 2016.

• Author(s) : PEZZUTTO S., QUAGLINI G., RIVIÈRE P., KRANZL L., NOVELLI A., ZAMBITO A., BOTTECCHIA L., WILCZYNSKI E.
• Publication date: 2022/03
• Languages : English
• Source: Sustainability - vol. 14 - n. 5
• Formats : PDF

Multiple packaged rooftop unit coordination for peak demand reduction.

• Author(s) : DEVENEZIA J., ROSSI T., MULLER M. R.
• Publication date: 2022
• Languages : English
• Source: 2022 Purdue Conferences. 7^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

Field measurement on rooftop condensing unit before and after reconstruction.

• Author(s) : TOMLEIN P.
• Publication date: 2021/01/13
• Languages : English
• Source: 10^th IIR Conference on Compressors and Refrigerants.
• Formats : PDF

Laboratory assessment of a demand response controller for rooftop units.

• Author(s) : SARHADIAN R., COBURN B. A., MENDOZA A., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Virtual power consumption and cooling capacity virtual sensors for rooftop units.

• Author(s) : CHEUNG H., BRAUN J. E.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Simulating and comparing maintenance strategies for rooftop units with multiple faults.

• Author(s) : HJORTLAND A. L., BRAUN J. E.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

The rooftop unit market within the EMEA zone

The rooftop unit market accounts in 2014 for 67,000 sold units i.e. 12% higher than the previous year.

• Publication date : 2016/02/22
• Subjects: Figures, economy

The French air-conditioning market is growing significantly

According to Clim'info, in France, sales of individual air conditioners (with capacities below 17.5 kW) have undergone a very strong progression - about 40% - in 2003 compared with 2002. Sales of small mobile units, in particular, have benefited...

• Publication date : 2004/07/15

2018: a positive year for the French air-conditioning market

Residential and light commercial split units, as well as VRF systems, registered a strong growth.

• Publication date : 2019/06/28
• Subjects: Figures, economy

Briefs: Funding for solar cooling pioneers

Faced with climbing fossil fuel prices, refrigerated warehouse companies around the globe are starting to look seriously at renewable energy sources, particularly solar energy. In the United States, companies such as ShopRite Supermarket, Costco...

• Publication date : 2011/02/07

2013 world air conditioning market by type of equipment

Overview of moveables, windows / through the wall, split, the single packaged, rooftop, chillers, airside.

• Publication date : 2014/06/26
• Subjects: Figures, economy

Europe: 4th quarter 2012 HVAC-R market trends

Eurovent Market Intelligence (EMI) has just released the latest trends for the European HVAC&R market.

• Publication date : 2013/02/12
• Subjects: Figures, economy

Largest American rooftop solar installation for cold store

The largest rooftop solar installation in North America on the roof of Gloucester Marine Terminal’s refrigerated warehouse is to be completed this autumn.

• Publication date : 2011/09/15

Non-residential air-conditioner market growths in 6 European countries

The non-residential air-conditioner market in Europe Top 6 (Italy, Spain, France, UK, Germany, Poland) is continuing to slowly recover lost ground since the last recession.

• Publication date : 2014/10/09
• Subjects: Figures, economy

ICR2015:Trane exhibits chiller with new DR-55 refrigerant

At ICR2015, Trane, a brand of Ingersoll Rand, is presenting an air-cooled demonstration chiller using the new DR-55 refrigerant (HFO-HFC mixture).

• Publication date : 2015/08/19

Europe: 2012 HVAC-R market trends

Eurovent Market Intelligence (EMI) has just released 2012 trends for the European heating, ventilation, air-conditioning and refrigeration market.

• Publication date : 2012/09/12
• Subjects: Figures, economy

The Canadian HVAC Market.

According to the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI), residential air conditioning shipments increased by 3% between the 2nd quarter 2012 and the 2nd quarter 2013.

• Publication date : 2013/11/12
• Subjects: Figures, economy

2013 world air-conditioning market

According to BSRIA, total market value in 2013 reached USD 89.9 billion for 117.2 million units.

• Publication date : 2013/12/16
• Subjects: Figures, economy

Impact of failures on the performance of refrigeration systems 

An Australian study assesses the impact of failures of different refrigeration systems on their performance. Various air conditioning systems, refrigerated display cabinets and walk-in cold rooms were put to the...

• Publication date : 2022/12/12

The Canadian HVAC Market. First quarter 2014

According to the Heating, Refrigeration and Air Conditioning Institute of Canada (information provided by ReportLinker), air-handler sales showed the largest increase in the first quarter of 2014.

• Publication date : 2014/07/23
• Subjects: Figures, economy

The French air conditioning market in 2015

According to JARN, the room air conditioner (RAC) market grew 25% year on year in France in 2015 in terms of volume.

• Publication date : 2016/08/18
• Subjects: Figures, economy

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : English, French
• Themes : Hydrocarbons, Containment, refrigerant charge reduction