DIY air conditioner | Alternative Energy | Forums

Make a DIY air conditioner. Put a metal bowl of salted ice in front of a fan, and adjust the fan so that the air is blowing over the ice. Or, use one or more 2 liter bottles and fill them mostly full of (water - 70%) & (rock salt - 10%) (air - 20% for expansion) (the salt brings the temp of the frozen water down to a lower ºF), freeze them, then place them in a large bowl (to catch dripping condensation). Position a fan to blow on them. As the salty ice in the bottles melts, the air cools around them. The fan will blow that air at you. The water & salt in the bottles can be refrozen every night and used again repeatedly.

You can also turn on your stove fan (on the ventilator hood) or open up your chimney flue. These will also draw hot air out of the house and pull cooler evening air into the house.

More ideas on how to keep your house cooler here.

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