# Boxing in the engine

**URL:** <https://nonsuch.discourse.group/t/boxing-in-the-engine/10447>\
**Category:** General\
**Created:** [July 12, 2026, 5:44pm UTC](https://nonsuch.discourse.group/t/boxing-in-the-engine/10447 "2026-07-12T17:44:48Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![Vela33](https://yyz1.discourse-cdn.com/flex011/user_avatar/nonsuch.discourse.group/vela33/32/159_2.png) [@Vela33](https://nonsuch.discourse.group/u/Vela33)\
**Post date:** [July 17, 2026, 10:10pm UTC](https://nonsuch.discourse.group/t/boxing-in-the-engine/10447/21 "2026-07-17T22:10:39Z")

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> [@Charles-Garbarino](#):
>
> 12 feet is 12 feet. Coiled, or straight.

Exactly.

This same thing happens at home. I’ve installed DIY mini-split systems in our house and they also come with pre-charged lines. You must find a good place to coil the excess, but that allows pretty much anyone to install them and they work just fine. I’ve installed non-DIY units in other rooms and it’s a PIB. You do end up with a neater installation in the sense that there’s no excess, but you need to be very careful about flaring and torquing and so on. And then you need a licensed HVAC guy to check it all out, charge the system and sign it off. I have learned to love pre-charged lines.

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