Air-to-water models, which are particularly popular in Denmark, account for 75% of Fenagy’s heat pump projects in the last 12 months.
The online event featured 19 webinars, which garnered more than 8,000 global views on multiple platforms and 52,000 impressions on social media.
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.
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.
Generating hot water up to 70°C, the heat pump is designed to replace fossil fuel furnaces.
The heat pump, using Vilter’s high-pressure single-screw compressor, has completed more than 6,700 hours of testing.
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.
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.
The third high-temperature heat pump symposium will include presentations, panels and site visits, in Copenhagen on March 29-30.