4 ms·
Where I live in Australia we have very hot summers and cool winters. Sounds perfect to help cool things in summer. But in winter I don’t want that reflection,
by evolve2k 3y ago
Where I live in Australia we have very hot summers and cool winters. Sounds perfect to help cool things in summer.
But in winter I don’t want that reflection, I want absorbtion. Any ideas?
I suppose the strategy is to do a calculation for the year, are my summer gains better than my winter losses.
- jjtheblunt 3y agoliquid crystal? there's a video of such on a BMW iX below. https://www.designboom.com/technology/bmw-color-changing-car-paint-exterior-ix-01-05-2022/ https://www.designboom.com/technology/bmw-color-changing-car...
- janosdebugs 3y agoYou could focus on insulation instead. The sun rays come in at a shallow angle anyway, so I'm guessing the heating benefit you'd be getting isn't all that large. With insulation on the other hand you have to heat less and keep it inside.
- db48x 3y agoJust paint one side of your roof white and the other black, then flip it over every six months.