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.
Rooftop PV reduces building retrofitting costs by up to 50%
Cambridge researchers have analyzed the benefits of installing a PV system on the roof of an apartment building in addition to energy refurbishment and have found that photovoltaics, especially if combined with heat pumps, makes retrofit projects more affordable.
Viessmann launches air-water heat pump for larger residential, commercial buildings
The Vitocal 250-A Pro boasts a flow temperature of up to 70 C, a heating output of up to 39.5 kW and a cooling output of up to 21.7 kW and according to the German manufacturer, it is one of the quietest of its kind on the market. Its coefficient of performance is 5.6.
Bosch unveils water source heat pumps for residential, commercial applications
Bosch Home Comfort has presented two new heat pumps series that can be used for both retrofits and new buildings. Both products have a size of a size of ½ to 6 tons and a coefficient of performance of up to 4.9.
Fraunhofer ISE presents propane heat pump with heating, cooling performance of 5.6
The German research institute said the new heat pump was developed in partnership with ZAE Bayern and Mafac E. Schwarz. The system uses propane (R290) as the refrigerant and is suitable for industrial processes with a temperature range of 50 C to 70 C.
