3 ms·
> For regular buildings, the differences between 99.5%, 99.6%, etc. It's going to be <80% after a week in real life due to dust &co anyways
by lm28469 3y ago
> For regular buildings, the differences between 99.5%, 99.6%, etc.
It's going to be <80% after a week in real life due to dust &co anyways
- bell-cot 3y agoReaction I: Point...but no way it'll be <80% after a week! Reaction II: OTOH, the article says zilch about the stuff being dirt-repelling, or trivial to clean. And considering just how bad the air often gets, in some of the world's largest cities...
- lm28469 3y ago> the article says zilch about the stuff being dirt-repelling They talk about "nanostructures", I read it as "dust traps" Just looking at my window stills give me a good idea of how they'll look if they're anywhere remotely close to a road, and that's in a "clean" western european city
- instagib 3y agoI was reading that in some humid areas they pipe out their grey water or fresh water and disperse it onto their roofs to combat radiant heat from the sun to keep homes cooler.
- WaitWaitWha 3y agoCan you give some references to this? I might have a place I could use this.
- instagib 3y agohttps://www.energy.gov/energysaver/radiant-cooling%0A%0A https://www.energy.gov/energysaver/radiant-cooling%0A%0A https://handbook.ashrae.org/Handbooks/A15/IP/a15_ch54/a15_ch54_ip.aspx%0A%0A https://handbook.ashrae.org/Handbooks/A15/IP/a15_ch54/a15_ch... https://aircondlounge.com/is-radiant-cooling-efficient/ https://aircondlounge.com/is-radiant-cooling-efficient/ https://diy.stackexchange.com/questions/847/would-putting-a-sprinkler-on-my-roof-help-cool-my-home https://diy.stackexchange.com/questions/847/would-putting-a-... There’s some YouTube videos also. Radiant cooling.
- lostlogin 3y agoInstallation method is going to make more difference than that too I’d have thought.