"Preorder". "Shipping Winter 2024". "While we don't have any physical prototypes at the moment, we have the industrial design and also largely understand how this will be built." No. You have to build it before you can sell it.
Reminds me of Noria (later Kapsul), a somewhat early Kickstarter darling that promised to have revolutionized window air conditioners. Theirs would be quiet and light, and inexpensive ($250!), and would ship within a year, all they needed to do was raise $250,000! The timeline graphic is still up here: https://www.kickstarter.com/projects/kurt/noria-cool-redefin... They raised nearly $1.5MM, because as it turns out,…
The last email (May 2022) said they had delivered to ~700 backers, and had "a long way to go."
No further news since then.