hp = Btu / min
hp = W, watt
hp = (ft-lbf)/min
hp = (ft-lbf)/sec
hp = ton of refrigeration
btu/hr = ton of refrigeration
kW = ton of refrigeration
kW = hp
btu/hr = hp, motor
btu/hr = hp, boiler
btu/hr = W, watts
btu/hr = (ft-lbf)/sec
cal/sec = W, watts
J/sec = W, watts