
Study Finds that Cascade Heat Pump Using Mixtures of R744/R600 and R744/R601 Produce COP of 4.5 and Hot Water Above 100°C
A system with natural refrigerant mixtures, using small amounts of CO2, outperforms an HFO system by 36%.
A system with natural refrigerant mixtures, using small amounts of CO2, outperforms an HFO system by 36%.
Christina Starr of the EIA will address cooling and heating: charge-limit standards and codes for A3 refrigerants.
The Fraunhofer Institute for Solar Energy Systems aims to develop propane heat pumps to replace existing fossil fuel-based heating systems in a range of residential applications.
With coupling options, the new air-to-water range offers capacities from 48 to 190kW, with hot water production up to 75°C.
Sensitive to less than 5% LFL, the platform uses an electrochemical sensor with long-range transmission.
The manufacturer will be introducing its VEMT, VEH and VNEX compressors to the Chinese market at Hotelex Shanghai. It will also start producing its NEX compressor in Beijing.
Each store will use two-to-five of the12kW capacity air-to-water units, which provide hot water flow temperatures up to 75°C at ambient temperatures down to -25°C.
The Fraunhofer Institute’s solar thermal façade panels offer a noiseless and space-saving alternative to the air unit of an air-source heat pump.
Hydrocarbons are natural because none of the ways of obtaining them involves the synthesis of something new, notes CEO Zunino.
Developed with Carel, Continuous Cooling uses an inverter compressor and advanced controller to achieve high levels of efficiency in Freor’s equipment.