I know that for vehicles that HP makes a difference, but is the HP for chillers for the water flow or the amount of water they can chill they passes thru?
The rating for chillers is done by horsepower to describe the amount of water that it can chill and to what degree (ex; higher horsepower means a more powerful pump and ability to cool water). It’s a combo since the chilling aspect and pump are shared from the single motor.