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U.S. start-up unveils ‘world’s largest’ transparent organic PV window
(www.pv-magazine-australia.com)
windows also absorb and convert infrared light, reducing the building’s heating, ventilation, and air conditioning (HVAC) demands
I get the air conditioning part. If the window transforms parts of the energy into electricity, there's less energy entering the building. But how can it reduce heating at the same time? If less infrared enters the room behind the glass, you'd need more active heating in my mind, not less. Maybe, they mean heating costs if you use the electricity for a heat pump?