#coolingsolutions

Orrrr I can have a sensibly build home that keeps bearable temperature and if I'm overheated from being outside I just can put my feet in a bowl of cold water, witch is an enjoyable experience in the opposite of vent smell.

#official autism post I love extreme sensory stimuli but I hate shit ton of smells

#also I'm allergic to dust and that also makes me hate vents

I was reading up on 'cooling paint' yesterday (this article was pretty good and understandable, https://www.sri.com/fcd_technology/self-cooling-paint-a-passive-radiative-cooling-solution/ ). I also saw a thumbnail of a video claiming that you can make your own "Thermal infrared cooling paint" yourself at home - I felt quite dubious about that but didn't have 40 minutes to spare to check it out.

A quote from the linked article: Self-Cooling Paint is a passive radiative cooling solution – without requiring any power or electricity, it can cool down any surface up to 5-8 ºC ( 8-12ºF) below ambient air temperature, and 10-15 ºC (18-25 ºF) below an uncoated surface based on internal tests*. Achieving sub-ambient temperature is significant, and has been accomplished by engineering a coating that combines high solar reflectance with high infrared emittance in the sky transparency window.

This is so interesting. Cooling a surface below ambient air temp? Just amazing. I would love to see what that would do to my attic space, for example, which gets extremely hot in summer. My only puzzlement is - would that also be in effect in winter? If so, then my 'cooling roof' would turn into quite a drawback. Unfortunately, I don't understand the underlying science well enough to draw a conclusion here. It may be that the paint is primarily of use in climates where there is little or no cold weather, and heat is the biggest concern.

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The Role of Roof Ventilation For Evaporative Air Conditioning Cooling

Roof ventilation improves air conditioning efficiency by reducing roof heat and maintaining the airflow needed for effective evaporative cooling in Perth.