GE Appliances unveils residential hybrid heat pump water heater
The U.S. manufacturer said its new heat pump water heater can provide up to 60% more hot water than standard electric water heaters. The system is available in 240 V and 120 V options and with a capacity ranging from 160 L to 190 L.
How to optimize heat exchangers in heat pumps
Scientists have developed a new model for heat exchangers of heat pumps, combining strengths of numerical modeling and machine learning.
New control strategy for PV-driven air source heat pumps
Researchers in China have developed a new methodology to improve the performance of solar-powered air source heat pumps. The proposed approach reportedly increases the energy efficiency of optimized building systems by 18%, with solar energy potentially reducing their carbon content by 37.78%.
New research shows viability of residential ice-source heat pumps
Scientists in the United Kingdom have demonstrated the feasibility of residential ice-source heat pumps in cold climates and densely populated areas. They designed a heat pump system that utilizes existing gas pipelines to transport water.
Optimizing Carnot batteries for renewables storage
Based on the the heat pump-organic rankine cycle, scientists in Portugal have created six different models of Carnot batteries for stationary storage. They investigated 16 different combinations of working fluids and created a multi-objective optimization for the best candidate.
SolarEast debuts new residential propane heat pumps
The Chinese manufacturer said its new heat pump systems have a heating capacity of 4 kW to 16 kW and a coefficient of performance of up to 5.05.
Alpha launches residential heating solution combining heat pump, boiler
The UK-based company said its new hybrid solution includes a stand-alone monobloc air-to-water heat pump with a nominal capacity of up to 16 kW and one of its boiler range. The heat pump system uses R32 (difluoromethane) as a refrigerant and has a coefficient of performance of up to 5.1.
Ikea begins offering air-to-water heat pumps in Germany
The Swedish furniture giant began offering air-to-water heat pumps distributed by Svea Solar and manufactured by Sweden-based Aira.
Beretta unveils residential air-to-water heat pump
The Italian manufacturer said its new R32 heat pump has a coefficient of performance of up to 5.2 and a heating capacity of up to 16 kW. It is available in either single-phase or three-phase versions.
Heat pump deployment requires massive amounts of storage, finds UK researcher
Researchers in the United Kingdom found that approximately 175 TWh of hydrogen and compressed air storage capacity will be needed to fully decarbonize heating in the United Kingdom. Lead researcher Bruno Cardenas told pv magazine that, when domestic heat demand is 100% electrified, average annual electricity demand and peak load in the grid are 26% and 70% higher than current levels.
