There is no need of the construction.
It can be installed while the air conditioner is running.
It is easy for the first time.
Improvements have been repeated in order to make it lighter and flexible as performance improves.
Resistant to ultraviolet rays and heat, maintenance is unnecessary after installation. No running cost is required.
Just by installing to air conditioner in operation, it reduces the electricity(gas) bill . Contributing to"reduction of carbon dioxide emission" without using any power such as electricity.
Patented for "Reticular resin molded product" that enhances the heat exchange efficiency of air conditioners. Beware of imitations.