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IIR document

Performance comparison of different design scheme of absorption boiler.

• Author(s) : WANG J., SHI W., SHANG S., et al.
• Publication date: 2018/06/18
• Languages : English
• Keywords : Low temperature, Boiler, Ammonia-water, Absorption, Heat pump, Modelling, Heating
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

Sequential management of optimally-designed thermal storage tanks for multi-energy district boilers.

• Author(s) : LABIDI M., EYNARD J., FAUGEROUX O., et al.
• Publication date: 2014/12
• Languages : English
• Keywords : Economy, Management, Boiler, Design, Tank, Energy efficiency, District heating, Thermal energy storage
• Source: Applied Thermal Engineering - vol. 73 - n. 1

Low-temperature ash deposition and dewpoint corrosion of a coal-fired travelling grate boiler.

• Author(s) : CHEN H., PAN P., JIAO J., et al.
• Publication date: 2017/05/05
• Languages : English
• Keywords : Boiler, Gas cooler, Recovery, Simulation, Dewpoint, Expérimentation, Corrosion, Coal, Waste heat
• Source: Applied Thermal Engineering - vol. 117

IIR document

Local stability analysis of an irreversible absorption refrigerator powered by a wood boiler.

• Author(s) : KEUNE G. F., NGOUATEU WOUAGFACK P. A., TCHINDA R.
• Publication date: 2020/07
• Languages : English
• Keywords : Refrigerator, Modelling, Absorption system, Boiler, Wood, COP, Stability, Steady state, Irreversibility, Relaxation, Design
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 115
• Formats : PDF

IIR document

Sorption heat pump for flue gas condensation of biomass-fired boilers.

• Author(s) : HERMANN T., GEIER-PIPPIG J., SCHWEIGLER C.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Heat transfer coefficient, Gas, Boiler, Biomass, Heat recovery, Absorption, Heat pump, Modelling, Energy efficiency, Condensation, Water-lithium bromide
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Simulation of efficiency of different configurations of residential hybrid heating systems combining boiler and heat pump.

• Author(s) : ROCCATELLO E., PRADA A., BAGGIO P., ZAMBRELLI C., BARATIERI M.
• Publication date: 2021/05/24
• Languages : English
• Keywords : Domestic heat pump, Air-water, Efficiency, Temperature, Hybrid system, Boiler, Thermal load, Heating, Simulation
• Source: 2021 Purdue Conferences. 6^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Povecanje stepena korisnosti kotla i tehno-ekonomska analiza ugradnje utilizatora na vrelovodnom kotlu snage 116 mw na toplani konjarnik.

Increase of boiler efficiency and techno-economic analysis of utilizator installation on 116 MW hot-water boiler in the heating plant "Konjarnik".

• Author(s) : TANASIC V., MLADENOVIC M.
• Publication date: 2016/12
• Languages : Serbian
• Keywords : Hot water, Economy, Boiler, Republic of Serbia, Optimization, Installation (implementation), Case study, Energy efficiency, Distribution
• Source: 47^th International HVAC&R Congress and Exhibition.
• Formats : PDF

Low energy houses heated by biomass boilers: optimization of the heating system control strategy by means of dynamic simulation.

• Author(s) : CARLON E., SCHWARZ M., SCHMIDL C., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Household application, Building, Boiler, Biomass, Temperature, Simulation, Optimization, Energy efficiency, Control (generic), Heating
• Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

Simulation on the performance of gas-fired boiler with flue gas heat recovery utilizing gas engine driven heat pump.

• Author(s) : CHEN W., SHANG S., SHI W., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Gas, Boiler, Temperature, Heat recovery, Heat pump, Modelling, Energy saving, Waste heat, Heat exchanger, Combustion
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Which performance indicators should we provide to policy makers to switch from gas boilers to air to water heat pumps?

• Author(s) : FRAGA C., FREYRE A., HOLLMULLER P., PABLO R. de, RÜETSCHI M.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Air-water, Calculation, Cost, CO2 emission, Environment, Heat pump, Residential building, Hybrid system, COP, Heating, Domestic water, Gas, Boiler, Switzerland, Energy consumption, Energy saving
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Mixture of working fluids in ORC plants with pool boiler evaporator.

• Author(s) : RAJABLOO T., IORA P., INVERNIZZI C.
• Publication date: 2016/04/05
• Languages : English
• Source: Applied Thermal Engineering - vol. 98

Analysis of a directly gas-fired absorption heat pump with an improved condensing boiler technology. 

• Author(s) : WAGNER P., RIEBERER R.
• Publication date: 2021/08/31
• Languages : English
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Izmedu teorije i prakse na konkretnom primeru energetske sanacije objekta.

Between theory and practice on concrete example of energetic rehabilitation of an object.

• Author(s) : ILIC M., SAVIC A.
• Publication date: 2016/12
• Languages : Serbian
• Keywords : Building, Boiler, Pressurization, Energy saving, Retrofitting, Heating
• Source: 47^th International HVAC&R Congress and Exhibition.
• Formats : PDF

IIR document

Numerical investigation of ammonia boiling heat transfer in rectangular microchannel under high pressure.

• Publication date: 2024/12
• Languages : English
• Keywords : Ammonia, R717, High pressure, Microchannel, Boiler, Simulation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 168
• Formats : PDF

A hybrid Rankine cycle (HyRC) with ambient pressure combustion (APC).

• Author(s) : WU L., THIMSEN D., CLEMENTS B., et al.
• Publication date: 2014/12
• Languages : English
• Keywords : Rankine, Boiler, Heat recovery, Expérimentation, Energy efficiency, Combustion
• Source: Applied Thermal Engineering - vol. 73 - n. 1

Fusion of a boiler and a heat pump into one new system, thanks to thermal compression

Boostheat company has developed a new technology that is claimed to lead to a new generation of very efficient and renewable heating, hot water and cooling systems.

• Publication date : 2015/08/04

The HVACR workforce in the United States in 2022

According to the Bureau of Labor Statistics, the number of technicians employed in the heating and refrigeration sector in the US rose between 2021 and 2022.

• Publication date : 2024/01/12
• Subjects: Figures, economy

United States: the HVACR workforce on the rise in 2023

According to the Bureau of Labor Statistics, the number of technicians employed in the heating and refrigeration sector in the US rose by 6% between 2022 and 2023. 

• Publication date : 2024/09/27

The HVACR workforce in the United States

According to the Bureau of Labor Statistics, there were over 800,000 technician and engineer jobs related to heating and refrigeration in the US in 2021.

• Publication date : 2023/04/17
• Subjects: Figures, economy

Briefs: Japanese experts in favour of heat pumps

According to a recent study "Heat Pumps — Long Awaited Way out of Global Warming," released by the Heat Pump and Thermal Storage Technology Centre of Japan (HPTCJ), released in October 2007, wider use of heat pump technology in Japan would result...

• Publication date : 2008/02/12

French regulations available online

RETA, a database containing the regulations in force concerning Technical Equipment used in the Building Industry, achieved using the collection of regulations referenced, classified and diffused by COSTIC over the past thirty years, is now freely...

• Publication date : 2005/02/03

Green buildings

Moscow City Tower is to be Europe's tallest and the world's second tallest building. The 600-m naturally ventilated tower designed by Norman Foster will accommodate 25 000 people - a city unto itself - and the designer is aiming for LEED gold...

• Publication date : 2008/08/12

Nestlé Japan’s Himeji factory’s natural gas cogeneration system

Nestlé Japan's Himeji factory's natural gas cogeneration system has won the 9th New Energy Award in recognition of its high degree of innovation. The Himeji plant is used to produce soluble coffee cryogenically and has high energy efficiency (92%,...

• Publication date : 2005/07/19

The refrigeration sector celebrates International Women's Day and World Engineering Day

Engineers and technicians make up the bulk of the workforce in the refrigeration and heat pump sector, a growing sector in which all professions are accessible to women.

• Publication date : 2024/03/08
• Subjects: Figures, economy

Brief: Protrait of an optimal system

With looming commitments under the Kyoto Protocol, energy efficiency in buildings, including in art galleries, is essential. Paintings not only require an aesthetic environment, but one in which the air temperature and humidity is controlled. The...

• Publication date : 2006/05/05

Heat pumps

- Analysis of sales of heat pumps in Austria over 2003 and 2004 has shown good growth in the heating and controlled dwelling ventilation segments. The figures were compiled with the National Ministry for Transportation, Innovation and Technology,...

• Publication date : 2005/07/19

News from Korea

The Korean refrigeration and air-conditioning industry is the 4th largest in the world after the United States, China and Japan with USD 14.5 billion annual production in 2006, a figure equivalent to 10.7% of global production. The refrigeration...

• Publication date : 2007/11/20

ASHRAE Technology Awards: winning project features green design

The ASHRAE Technology Awards recognize outstanding achievements by members who have successfully applied innovative building design in the areas of occupant comfort, indoor air quality (IAQ) and energy conservation. The designs incorporate ASHRAE...

• Publication date : 2005/06/14

Smart Community Project to transform energy usage in the UK

A Japanese consortium is going to commence the demonstration phase of a project to help to transform the energy usage in the UK.

• Publication date : 2014/04/15

United Kingdom heat pump market situation

In 2014, 18,710 heat pumps were sold in the United Kingdom versus 17,632 units in 2013, resulting in a rise of 6.1%.

• Publication date : 2016/02/15
• Subjects: Figures, economy

Latest news from B-Medical Systems, Epta and GEA, three IIR corporate members

B Medical Systems, a global leader in the vaccine cold chain, is expanding its production capacity due to the COVID-19 pandemic, Epta monitors R290 fridges in cashier-free store in Dubai and GEA provides a...

• Publication date : 2021/11/29

ENOUGH – a new project that will identify how food industry can become net zero by 2050

The project will develop technologies, tools and methods to contribute to the EU’s farm to fork Strategy to achieve climate neutrality in the food industry.

• Publication date : 2021/10/29

Heat pumps, the central theme of the recent IIR Congress

An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...

• Publication date : 2023/10/24

CryoHub Webinar

CryoHub the EU funded project to demonstrate the potential for cryogenic energy storage at refrigerated warehouses will hold a webinar on 17th March 2021 to share findings and results of this work.

• Publication date : 2020/11/27

CryoHub: EU project CryoHub is inviting cold chain companies to become ‘CryoHub Champions’

The CryoHub innovation project investigates and extends the potential of large-scale Cryogenic Energy Storage (CES) and applies the stored energy for both cooling and power generation.

• Publication date : 2016/06/28

For IIR members only

Heat pump stock in Europe

This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.

• Last update : 2021/12/14
• Langues : English
• Themes : Heat pumps, energy recovery: economics and statistics