Air-to-air heat pump systems are typically easier to install than air-to-water heat pump systems.

Answer: True
Explanation: You don't have to deal with the water side.

Answer: True
Explanation: Yes it is

Answer: False
Explanation: Same unless water pipes are needed on air-water then that's more labor intensive

Answer: False
Explanation: Air to water systems for swimming pools are easier to install. The heat pump is self contained. You only have to hook up the water in and out, electrical, and check refrigerant pressures.

Answer: Not sure
Explanation: I do not install air to water

Answer: True
Explanation: no pump to install