Nathalie Ventilation
@VentiloAngel
Clean air, everywhere, for everyone. That’s what drives me to explore innovative ventilation & air quality solutions.
AccordFlow: a quiet, filtered DIY HRV — guide to building it medium.com/@levangelisted… 🧵
there's a real problem with OpenAI taking commissions. This also opens the door for countless small unethical actors to exploit the system.
OpenAI plans to take a cut from online product sales made directly through ChatGPT - on.ft.com/3TE8VbM @FT
This news about ChatGPT recommending products and taking a commission will spark outrage. Most people will point fingers at the giant, OpenAI. Yes, there’s a real problem with concentrated power. But look beyond that. This change is also a wide-open door for countless small…
OpenAI plans to take a cut from online product sales made directly through ChatGPT - on.ft.com/3TE8VbM @FT
Four years ago Japan had these displays at movie theaters showing the air quality readings and proof of healthy ventilation. Four years later and we can’t even get this in hospitals
今週のAC白山CO2濃度。本オープンしたあとだけあって先週より高いですなぁ。
PM 2,5 is a killer worldwide Equivalent of cigarettes with the PM 2,5 outdoor in different countries, with this report. Importante Note. Consider that the PM indoor could be even worse that that with cooking, renovation work, essential oils, candles, ultrasonic humidifier,…
How many cigarettes are you indirectly smoking due to air pollution levels? We used Berkeley Earth’s rule of thumb ( 🚬 = 22 µg/m3 PM2.5 concentration) to calculate the number of cigarettes people are indirectly smoking based on PM2.5 pollution in cities worldwide.
Do you live in an apartment or stay in hotels? Got a "oops, outside air can get you" study. Coming out of Beijing University of Technology - taking airborne transmission seriously. They rented 50 rooms of a building. Did some very cool CFD work - then, be still my heart,
I use this in my home. A crbox with the fan at reverse direction, meaning taking air from outside and blowing to the box. The air will be filtrated by the four pieces of H12 filters before entering my home. What needed is one or two adaptors and a pipe that fit the adator. Then I…
If a H5N1, other strain Avian Flu pandemic were to break out human 2 human or if one lives in dense/ near mammal infected area, which filters would be best to DIY into open windows to prevent aerosols floating in during ventilation? @SafeInside2024 @Engineer_Wong @NukitToBeSure
ASHRAE 241 Always Applies — Part 10 Dispelling the myth that it only applies during a pandemic itsairborne.com/ashrae-241-alw…
An open letter from Canadian Covid Society to Prime Minister Carney "Many buildings in Canada currently have aged ventilation systems that are non-compliant with ASHRAE 241 standard, which specifically establishes minimum ventilation requirements that reduce the risk of…


Asking “What air purifier is best for cat allergens?” is like asking “What car is best for carrying computer equipment?” Filters don’t care what they capture. Only particle size and CADR matter.

TL;DR: Asking “What air purifier is best for cat allergens?” is like asking “What car is best for carrying computer equipment?” You’re missing the point entirely. Filters don’t care what they’re capturing — only particle size and CADR matters. medium.com/@levangelisted…

The goal would be to get the review penalized by search engines so it gets removed from the index and users don’t see it anymore. The second wave of toxic links appeared the day after this video went live youtu.be/RNonfByE9xc
Very important to know what's happening 👇
Someone bought 300+ spam links and pointed them to one of our most critical air purifier reviews. The first wave came after we sent a request for comment for a new review. The second wave came the day after @linusgsebastian posted a video about the brand threatening to sue us.
😱no other comment for the moment
Whoever paid for these links wants Google's automated anti-spam systems to label the page as 'spam' and remove it from the index. They are linking to our review with words such as 'hacked accounts for sale' and 'download pirated software here' to tarnish the page as pure spam.
“Automotive engineers are fully aware that air recirculation in vehicles causes CO2 buildup, which can impair cognitive function & pose safety risks.”🧠 High CO2 also ⬆️ infection risk! 🦠🤒 You might find this new post by @dlingenfelter interesting! open.substack.com/pub/davidlinge…
The "Big Quiet Air Purifier" use Dafco Filter (merv13? dimension?) There's a connection between Aerostar and Dafco filter brands; you'll often find products like 'Dafco Aerostar' or 'Aerostar by Dafco,' frequently manufactured by 'Filtration Group / DAFCO.' It's important to…
Don't forget this is all open source, I have a proper github now:github.com/adouglas89/Big…
Really #OpenSourceHardware? Key is full documentation. Crucial criteria include step-by-step assembly instructions, but also procurement info & exact specifications (Bonvoisin et al., Fig. 1). Without these, what are we truly building? The term Open Source Hardware (OSH) refers…

Open Washing != Open Source Open washing functions as a marketing strategy that some companies employ for their public relations purposes. Therefore, What is Open Washing? Open Washing is a term used to describe the practice of a company or organization attempting to portray…

I am Airborne Aware - are you? Because it's not all about COVID anymore. Viral CMV, ALl influenza, All colds - Rhinovirus, coronaviruses like OC43, RSV, measles, MPX, Chicken pox, and so much more Microplastics, PFAs, SVOCs, VOCs, PM 10,2.5,1, UFPs Bacteria - TB And more
Which one do you think of yourselves as? - covid educated - covid realist - covid aware - covid conscious - covid informed Or other... Or all. x.com/KayElleTweets/…
We just finished building two Tempest Brisa open source air purifiers, inspired by the mighty Tempest Euro from @NukitToBeSure → thingiverse.com/thing:6826527 This is the first DIY kit we test with PC fans mounted in series instead of in parallel 👀 Next stop: particle removal test.