The Italian manufacturer said its new heat pumps use R454B as a refrigerant and have coefficient of performance of up to 3.35 ...

Noctua says that, thanks to the cooling headroom created by absorbing heat in the liquid before vaporisation occurs, it can ...

For Russia, Trump Has a Lot to Offer, Even Without a Ukraine Deal Moscow sees economic and geopolitical benefits in humoring President Trump’s push for a cease-fire in Ukraine. But the Kremlin ...