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Whole House Air Cycle

 Swap air quickly
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This ceiling would consist of a single large vent with an array of powerful fans; a large sheet of something that could be rolled over the top of the fans; and a tank of filtered air large enough to replace all the air in the house twice. At the push of a button the fans would begin to operate, cycling all the air in the house immediately. The sheet would then roll over the top of the fans keeping the air from dispersing back into the house

Useful for people paranoid about the government, people conducting chemical experiments that may contaminate the air, people who burn their food a lot, people who are sick and want to replace the air often to avoid making others sick, and most importantly useful for getting rid of mosquitoes.

Bonus: you can cool or heat the whole house to outside air temperature in seconds.
—Voice, Aug 03 2010

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       Whole house ventilation systems exist, and can swap out a home's air 30 to 60 times per hour.   

       How much benefit is there, to be able to replace the air in seconds, versus a minute or two?   

       Also, why a tank of filtered air, instead just having a really big air filter?
—goldbb, Aug 03 2010
   

       Air tank because there might be something the filter couldn't remove.   

       In seconds because that's half baked.
—James Newton, Aug 03 2010
   

       Wouldn't swapping the air so quickly result in a breeze that would knock plants over, pull posters off the wall, and suck the sheets off the bed? On the positive side, it might also vacuum the rug.
—swimswim, Aug 04 2010
   

       ain't the air though (much), it's all the stuff inside the house that's picked up heat.   

       You could spend the winter months compressing air into tanks and using the waste heat to heat the house, then during the summer release it and use the coolth.
—FlyingToaster, Aug 04 2010
   

       // using the waste heat to heat the house //   

       It wouldn't be "waste" heat then, shirley ? More of a combined heat-and-cooling-and-power system.   

       The energy stored in the compressed air could drive an air motor which turns a fan which blows cooled air round the house, and the motor exhaust will be cold too. Just make sure you have an oil tap on the outlet.
—8th of 7, Aug 04 2010
   


 

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