ᐅ Decentralized ventilation system with minimal visibility on the exterior facade

Bookstar schrieb:

What do you mean? What does this have to do with physics?

A lot, and not cheap in dozens. Particle sizes, flows, cross-sections, lengths, pressure losses, spring stiffnesses, and much more (even just in theory). How do you attach the brushes to the endoscope probe with the coaxial suction hose? – I really like this smarty-pants logic: what you can’t imagine in its complexity must therefore be simple, after all, “everything easy-easy” is printed in bold in the brochure. Where did you place the maintenance hatches, and how do you seal the system for cleaning? ? ?

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11ant schrieb:

There are many factors, and not cheap by the dozen. Particle sizes, airflows, cross-sections, lengths, pressure losses, spring stiffnesses, and much more (even in theory alone). How do you attach the brushes to the endoscope probe with the coaxial suction hose? – I especially like this clever logic: if you can’t imagine it in its complexity, it must simply be true, after all, “everything easy-easy” is printed in bold in the brochure. Where did you place the access panels, and how do you seal the system for cleaning???

Your rambling is unnecessary. Each line can be cleaned individually by simply inserting a cleaning ball and creating a vacuum with a vacuum cleaner on the other side. It’s not rocket science and works perfectly.

Bookstar schrieb:

Your rambling is unnecessary.

I couldn’t have said it better myself:

Bookstar schrieb:

Each duct can be cleaned individually by simply inserting a cleaning ball and creating vacuum on the other side with a vacuum cleaner. It’s not rocket science and it works perfectly.

Setting aside the rambling, your response to my question about the access panel is that “the opening of each duct into the central unit serves that function,” and to my follow-up question about the tools you use you replied, “I use a cleaning ball as the tool, and I skip endoscopic inspection of the cleaning result, fully trusting the ball to meet my expectations.” So your vacuum pump is an ordinary household vacuum cleaner (whose power is as variable as the range of duct lengths). It’s funny how we theorists always have to assume the Earth is a sphere—when every practitioner knows it’s flat. Tssk.

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If you call hygiene a myth, you are simply mistaken. Hygiene can be managed very well, but you have to put in some effort. Cleaning, changing filters... Many people don’t do this, and manufacturers tend to downplay the issue. For me, this is not acceptable; I don’t want to have to worry about such things.

hampshire schrieb:

If you call the topic of hygiene a myth, you are simply wrong. Hygiene is perfectly manageable, you just have to put in some effort. Cleaning, changing filters... Many people don’t do that, and the manufacturers downplay the issue. For me, that’s not acceptable—I don’t want to have to think about such things.

I call it a myth only if the filters are changed regularly, not the topic of hygiene itself.

To clarify the cleaning process: there are inspection hatches for every branch and each floor. Otherwise, the vacuum cleaner certainly wouldn’t be effective.

After using our outlet valves for two years, I opened them and inspected both the intake and outlet pipes: they were completely clean. Where would dirt even come from when you have filters in front that you replace regularly?