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Last Update: 10/05/2026 at 8:00 AM EST
Solar PV-Heat Pump Systems
Coverage from Bioengineer, pv magazine, and others
Photovoltaic-thermal heat-pump systems use refrigerant circulation to cool solar panels while capturing heat for useful purposes such as hot-water production.
Research in Kirkuk, Iraq, examined a direct-expansion design with a titanium dioxide and linseed oil coating, comparing R134a, R600a, and R1234yf across seasons. The results illustrate how panel surface treatment and refrigerant selection can affect electrical output, cooling, and combined thermal performance. Understanding these linked effects is central to assessing how effectively solar generation and heat recovery can work together.
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Important
Researchers at Northern Technical University tested a coated photovoltaic-thermal heat-pump system in Kirkuk, Iraq, finding improved panel cooling, electrical efficiency, and seasonal heat recovery.
9/12/2026 • Clean Energy & Emissions • General
Interesting
Researchers from Northern Technical University and Al-Kitab University tested a coated photovoltaic-thermal heat pump in Kirkuk, Iraq, in 2025, finding improved efficiency and lower PV temperatures.
9/14/2026 • Clean Energy & Emissions • General
Iraqi researchers tested a coated photovoltaic-thermal heat pump in Kirkuk during 2025, finding improved efficiency and lower panel temperatures across three refrigerants.
9/14/2026 • Clean Energy & Emissions • General