Daikin presents modular water-to-water heat pumps
The Japanese manufacturer said its new heat pump line features a modular approach to system design. The new products are available with capacities of 100 kW, 125 kW and 160 kW and can reportedly achieve a water output temperature of 60 C.
Residential heat pumps linked to solar-plus-storage achieve higher seasonal performance factor
Researchers at Germany’s Frauhofer ISE have analyzed the performance of a residential heat pump connected to a rooftop PV system relying on battery storage and have found that this combination significantly improves the performance of the heat pump while also increasing considerably the solar array’s self-consumption rate.
Daikin debuts residential air-to-air heat pump
The Japanese manufacturer claims the new product has a seasonal energy efficiency ratio of up to 9.47 and a seasonal coefficient of performance of up to 5.20.
TICA introduces air-to-water heat pump for residential applications
The Chinese manufacturer said its new heat pump has a coefficient of performance of up to 5.3 and a maximum heating capacity of 16 kW. It can reportedly achieve a topwater output temperature of 80 C.
Sprsun launches residential air source heat pump
The Chinese manufacturer said its new heat pump has a coefficient of performance of 4.2 at 7 C and a maximum heating capacity of 9.1 kW. It can reportedly achieve a topwater output temperature of 75 C.
Panasonic reveals new air-to-water heat pumps
The new products are intended for commercial applications and and multi-dwelling buidlings. They have a size of 20 kW to 30 kW and use R290 as the refrigerant.
U.S. Boiler unveils hydronic heat pump for residential applications
The US-based manufacturer said its new heat pump system has 5-ton capacity and a coefficient of performance of up to 3.95. It uses difluoromethane (R32) as the refrigerant and relies on DC inverter enhanced vapor injection (EVI) technology.
LG presents residential air-to-water heat pump
The system uses difluoromethane (R32) as the refrigerant and has reportedly a seasonal coefficient of performance of up to 4.69.
Hybridizing thermoelectric generators with photovoltaic ground-source heat pumps
Researchers in South Korea have analyzed the feasibility of using thermoelectric generators in combination with residential solar-assisted ground-source heat pumps and have found that the thermoelectric devices may act as a suitable power source for data loggers and other sensors in a building system.
Aira launches new heat pumps for residential buildings
The new heat pumps use propane (R290) as the refrigerant and have a seasonal coefficient of performance of 4.7. The maximum temperature outlet is 70 C and the maximum cooling power spans from 8 kW to 13 kW.
