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Copenhagen where the third high temperature heat pump sympisium took place
March 31, 2022 Europe Heating & Ventilation

IEA Project Finds 17 NatRef High-Temperature Heat Pump Projects in Development

The Annex 58 high-temperature heat pump project has reviewed systems supplying temperatures over 100°C and found refrigerants like CO2, water, hydrocarbons, helium and ammonia being used.

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Advansor SteelXL CO2 heat pump for district heating in solroed
March 15, 2022 Europe Heating & Ventilation

Danish District Heating Provider Chooses CO2 Heat Pump for Expansion Project

The heat pump from Danish OEM Advansor will replace 250 oil and gas boilers, and cut an estimated 1,200 metric tons of CO2e emissions per year.

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Reftronix CO2 heat pump 1200x720 1
March 15, 2022 Europe Heating & Ventilation

Reftronix Designs Prototype CO2 Heat Pump for Older Homes

Generating hot water up to 70°C, the heat pump is designed to replace fossil fuel furnaces.

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Vilter HPLD compressor in loop final
March 14, 2022 Heating & Ventilation North America

Vilter and Hydro-Quebec Testing Large-Scale CO2 Heat Pump

The heat pump, using Vilter’s high-pressure single-screw compressor, has completed more than 6,700 hours of testing.

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Alfa Laval CO2 heat exchanger AC540 1200x720 1
March 1, 2022 Europe Heating & Ventilation

Alfa Laval Launches CO2 Heat Exchangers for Flooded and DX Evaporation

The AC540 brazed-plate heat exchanger family is designed to minimize the evaporator’s refrigerant charge and reduce the pressure drop on the secondary side, saving energy.

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Reclaim Energy CO2 heat pump water heater
February 22, 2022 Heating & Ventilation Oceania

CO2 Heat Pump Water Heater Market for Homes Growing ‘Rapidly’ in South Australia

Adelaide contractor Jonathen Hindry attributes the growth to increased environmental awareness and high rate of solar PV systems in homes, which can be utilized to run the heat pumps.

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Nyhavn Copenhagen where the high temperature heat pump symposium will take place 1
February 8, 2022 Europe Heating & Ventilation

Danish Conference to Focus on High-Temperature Heat Pumps

The third high-temperature heat pump symposium will include presentations, panels and site visits, in Copenhagen on March 29-30.

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Vattenfall heat pump final
January 11, 2022 Europe Heating & Ventilation

Swedish Company Launches Home CO2 Heat Pump for Space and Hot-Water Heating

The heat pump can replace a gas boiler in an existing home without expensive retrofitting, says Vattenfall.

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CO2 heat pump defrost
January 11, 2022 Europe Heating & Ventilation

Air-to-Water Heat Pump Efficiency ‘Highly Dependent’ on Optimal Defrost

The heating capacity and COP of CO2 heat pumps can decrease more then 25% during defrost, but optimal defrost can lower this to less than 10%, says Fenagy.

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California state capitol in Sacramento
November 23, 2021 Heating & Ventilation North America

California ‘Likely’ to Limit GWP for Heat Pump Water Heaters

Electrification of buildings is expected to grow demand for heat pumps, which are currently HFC-based, according to CARB.

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