Yes, they are typically calculated as having above 100% efficiency as they use the energy to move and concentrate heat instead of producing it like other heating systems. I agree that this is technically wrong, but it does make sense when looking at it in he above context.
Yes, they are typically calculated as having above 100% efficiency as they use the energy to move and concentrate heat instead of producing it like other heating systems. I agree that this is technically wrong, but it does make sense when looking at it in he above context.