With the start time reckoned from buying of the heat pump it took him 2 months to complete the project. That's dashed line time due to full time job. He procured all the odds and ends and had only the bare minimum of hired help for the soldering of the unit pipes.
Beautiful retrofit that can be applied to a house with no duct work. It all comes down through the ceiling. Additionally I can not help being reminded of the wavy arm dude:
This original comedy ala Mark R. was created on April 20, 2013. Vince Gilligan must have a similar sense of humor because it wavy arm guy turned up on Better Call Saul: