New fault detection techniques for air-to-air heat pumps
Portuguese researchers have compared several applied machine learning techniques to detect faults in air-to-air heat pumps in cooling mode. The results showed a high level of performance based on four metrics.
Elastocalorics could replace heat pumps, air conditioning systems
Elastocalorics have the potential to replace current air conditioning and heating systems, offering significant energy savings when paired with technologies such as photovoltaics.
UK energy retailers add heat pump tariffs
Time-of-use and type-of-use tariffs for heat pump customers launched to support technology adoption in market where gas heating remains competitive on price.
Energielenker releases ‘self-learning’ energy management system
Germany-based Energielenker has developed a “self-learning” energy management system that controls energy flows in buildings with PV systems, using AI algorithms to analyze data from all relevant components.
Navien unveils residential air-source heat pump
The South Korean heating specialist said its new heat pump can achieve a seasonal coefficient of performance of up to 4.87 and flow temperatures of up to 75 C.
Rhoss launches non-reversible water-source heat pumps for high-temperature heating
Italy-based Rhoss has developed a cascaded water-source heat pump that uses either R1234ze or R515B as the refrigerant. It can purportedly produce hot water to a temperature of up to 85 C.
Sulzer supplies molten salt pumps for 100 MW solar tower in China
Sulzer, a Switzerland-based fluid engineering specialist, has supplied molten salt pumps for a 100 MW concentrated solar power (CSP) project in China. The facility is designed to provide solar power 24 hours a day.
Solimpeks presents air-to-water heat pump for residential, commercial applications
The Turkish manufacturer said its Varm BCP heat pump has a heating capacity of 3 kW at 20 C outdoor temperature and a coefficient of performance ranging from 3.62 to 4.48.
Woltair expands online heat pump, solar PV platform
After finding growth in its home market and Poland, Czech Republic-based Woltair raised venture capital to expand its heat pump and solar PV software platform, used by both installers and homeowners, into Germany and Italy.
Component sizing key for upscaling high-temperature heat pumps
A group of researchers has investigated how high temperature heat pumps may be upscaled for industrial applications and has found that larger setups promise higher efficiency. They also found that smaller setups show a better coefficient of performance resulting from design effects.
