The Germany manufacturer said its new heat pump systems use propane (R290) as the refrigerant and are able to provide a ...

Looking to slash your energy costs while making your home more planet-friendly? A heat pump water heater might be the answer.

But actually it looks like these micro-pin fins sit within the waterblock, facing away from the chip, turning the entire thing into something akin to a heatpipe that's been flattened out. The liquid ...