How to improve indirect-expansion PVT-assisted heat pump performance
Scientists in Thailand have simulated an indirect-expansion photovoltaic-thermal-assisted heat pump and measured its performance under various cold water temperatures and tank sizes.
EU countries to pilot subscription model for heat pumps
An EU-funded project is introducing a heat pump on subscription model designed to increase the uptake of heat pumps in rented accommodation, with pilot actions planned in Austria, France and Greece.
Clivet releases residential air-to-air heat pump
The Italian manufacturer said its new Fullness heat pump system has a coefficient of performance of 2.8 and a seasonal energy efficiency ratio of 3.79.
South Korea sets 3.5 million heat pump target in national decarbonization push
The South Korean government says it will deploy incentives, legal changes and industry backing to scale heat pump adoption nationwide, aiming to cut emissions from fossil fuel–dependent heating by the mid-2030s.
Chinese scientists unveil thermoacoustic ultra-high temperature heat pump prototype
Researchers at the Chinese Academy of Sciences developed a thermoacoustic Stirling heat pump prototype that offers high thermal performance, a peak coefficient of performance of 1.68, and potential applications in high-temperature industrial processes, enabling zero-carbon heating for sectors like petrochemicals and metallurgy.
Calefa Oy releases waste heat-powered steam heat pump
The Finnish company said its novel AmbiSteam system can produce process steam above 5 bar. It is based on the company’s SteamLevel heat pump technology.
M-Tec launches modular propane heat pump for residential, commercial use
The new residential heat pump system can be configured modularly and requires less than 150 grams of refrigerant, which allows it to be installed indoors. The system integrates with M-Tec’s energy management platform and supports multiple heat sources, photovoltaics, and battery storage.
German startup installs industrial heat pump producing 139 C steam
German start-up SPH has installed its ThermBooster heat pump at Philip Morris International’s Italian factory, producing high-temperature steam at 139 C. The system boosts energy efficiency, cuts gas use by up to 50%, and recovers 20–30% of water from exhaust.
European Commission opens third hydrogen auction
The EU’s third hydrogen auction is open for applications until Feb. 19, 2026, alongside a pilot auction for decarbonizing industrial process heat. The 2025 edition of the Net-Zero Technologies call is also underway, accepting applications until Apr. 23, 2026. Together, the three funding streams have a budget of €5.2 billion ($6.07 billion).
More than 100,000 applications for UK heat pump subsidy
Latest boiler upgrade scheme (BUS) data reveals more than 100,000 applications for heat pump grants have been made since support scheme launched in May 2022. Demand has significantly increased in 2025, and the scheme was expanded in early November to include an air-to-air heat pump grant.
