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IIR document
Research on the triple system based on solar and air source heat pump.
Techno-economic analysis of a novel solar thermal and air-source heat pump system.
Model Calibration of an Air Source Heat Pump System for Transient Simulations in Modelica.
Performance analysis of frost-free air-source heat pump system integrated with liquid desiccant.
[In Chinese. / En chinois.]
Gradual fault early stage diagnosis for air source heat pump system using deep learning techniques.
Investigation of annual energy performance of a VWV air source heat pump system.
Thermodynamic analysis of a hybrid no-frost air-source heat pump combined with membrane-based liquid desiccant dehumidification.
Theoretical analysis of cycling losses in air source heat pump systems.
Experimental research on a novel frost-free air-source heat pump water heater system.
Experimental research on a novel frost-free air-source heat pump water heater system coupling with thermal storage and dehumidification.
Research progress of air source heat pump heating system suitable for cold area applications.
Performance evaluation of different heating terminals used in air source heat pump system.
Experimental Performance Study of Solar-Assisted Enhanced Vapor Injection Air-Source Heat Pump System.
The intermediate temperature optimization for cascade refrigeration system and air source heat pump via extreme seeking control.
Investigation of an air source heat pump water heating system working at wide temperature scale.
Refrigeration sector monitoring
11 results
China heat pump market in 2023
Although the country still relies heavily on coal for heating, China is currently the only major market where heat pumps sales grew in 2023, when global sales declined by 3%...
Heat pump efficiency at low temperatures
A study based on field data shows that heat pumps had significantly higher energy efficiency than oil or gas heating systems, particularly for outdoor temperatures above -10°C.
Global air-to-water heat pump market: modest growth in 2023 amid regional variations
According to JARN, the global air-to-water (ATW) heat pump market increased by 0.2% in 2023, reaching close to 5 million units.
Frost detection and defrosting methods: latest advances
A recent Purdue conference paper presents the state of the art regarding methods for retarding the onset of frosting, frost detection techniques and defrosting strategies, including those based on artificial...
Frost mitigation methods for heat pumps and refrigeration systems
Frost growth is an important issue since defrosting can represent up to 30% of the total energy consumption of refrigerated display cabinets. Review of the various frost mitigation technologies and latest...
Efficiency of ground source heat pump systems
Ground source heat pumps (GHSP) have been reported to be more efficient than more widespread air source heat pumps despite higher installation costs. A recent article has reviewed parameters impacting the energy...
IIR 2023 conference in Ohrid: focus on CO2 heat pumps
As demonstrated at the last IIR conference in Ohrid , heat pumps are a potential development area for the use of CO2, in particular for the thermal management of electric vehicles.
The Netherlands heat pump market situation
From 2010 to 2011 there was a steep rise in heat pump numbers sold.
For IIR members only
Wondrwall introduces AI-controlled propane heat pump
Wondrwall launches a propane air-source heat pump with AI-powered energy management for cost and carbon savings.
Insight into the recent decline in heat pump sales in Europe
The EHPA reports that heat pump sales in 14 European countries fell by around 5% overall in 2023 compared to 2022.
The high potential of ground-source heat pumps to decarbonise the European building sector
A potential reduction of 20-40% and 30-50% of energy demand in buildings, for heating and cooling respectively, could be achieved through increased use of geothermal heat pumps.
IIR news
1 result
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...
