natural ventilation for billionaires

Why no justice ?

Inspiring talk! Incredible work guys!

Johnson does not articulate the different purposes of ventilation: eg remove damp to prevent damage to fabric. Provide right amount, not excessive, vent to remove pollutants. Evaporate moisture from walls, arising from leaks, rising damp and rain with pipe leaks. life-style moisture, breathing, showering, drying clothes, cooking etc. He does not say, in energy retrofit, for all homes in UK, that many million old ex-coal fire homes, with inadequate insulation, from solid brick walls. Old flues are brilliant keeping cooler in summer, and enough vent with hit-or-miss grille for winter. Too much psuedo-science jargon, not talking practically.

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Thank you from Philippines

Blabber blabber blabber

Great video. I’m surprised you didn’t show operable skylights on the roof used as passive ventilation, you barely touched on it. These are very easy to retrofit and can create high velocity ventilation when used correctly with windows below. I’ve seen studies where this design out performed a whole house electric fan. 👍

Thank you. Great info to help me plan my retrofit. Cheers

Thanks for that. Engineer to engineer, and no sales pitch.

Excellent presentation.

Is that possible for us to know all the formulas which you used in this calculator? Thank you very much.

Thank you so much for the video, where can I download the lasted Mesh?

Thanks- learnt much.

Hey dude. This was very insightful. I have been trying to find for vid like yours that informs the ideas in this KZbin video. 🧑🏻‍⚕️ The description at 1:18 is my favorite. Your video is like the vids from Dr. Ethan. Doctor Ethan's demonstrations are totally useful and I learned a lot for wellness. He is an awesome med student in the UK! I recommend you check out his KZbin out and give the medical student a subscribe! 👉 #DrEthanMedicine

Thank you so much for the video, I have downloaded the 4th version. However, I have a question about the carbon potential of hempcrete in the tool. It says 40KgCO2 per m3??? However from my reading the hempcrete should've a negative value. Can you please clarify.

Do they do a wood fired model as we have loads of wood ?