The text below is a google translation.
Please let us know if you have inappropriate English
It is personal impression, but the installation of the air conditioner is a construction that can be done by an amateur if there is a tool.

[Required materials other than air conditioners]

[Piping etc.]

・ Air conditioning piping set
Necessary items such as flared piping and hole filling putty are included.
(It is better to estimate piping longer)
https://amzn.to/2JWk7LY

・ Outdoor unit installation stand
https://amzn.to/2PmFVGB

【tool】
(The following tools can be rented)
·Vacuum pump
·Torque Wrench
・ Pipe cutter
・ Flare tool
·reamer
·monkey wrench
·Hex wrench

Other
・ + Driver
·cutter knife
·major
・ Pliers


【note】
・ This video does not recommend DIY for air conditioner installation.
Please use it as knowledge to protect yourself from the contractor who knows the correct construction and does poor construction.
In addition, we can not guarantee any damage resulting from reference to this video.
If you do DIY, be sure to read the installation manual of the air conditioner, and do your own construction at your own discretion.

・ It does not mean that all people can be installed. It is an individual impression to the last.
As it is DIY, read carefully the installation work attached to the air conditioner, and work on your own risk.