Making a Home Air Conditioner?
Question:I am considering building a heat exchanger that takes the cold incoming water to the house and passes it infront of the air circulation fan before letting the water go to the rest of the house. Based on the fact that my house can get to around 80 degrees, the incoming water is around 65 degrees, and my house uses about 100 gal of water per day.
Obviously, the water is not flowing at all times of the day (i.e. only when someone flushes a toilet, etc!), but I have a feeling that the copper water piping will help transfer heat regardless, even in stationary water.
Any thoughts if this has been tried, or if it works well?
- Grant
Answers:
That is a Heat pump. Just check out heat pump info online. Already well developed and very efficient
The type of heat exchanger needed for your idea would be rare and therefore expensive but you give me and idea that would not be difficult or expensive. Air conditioning has what is termed a line set, tubing, that runs between the compressor and the evporator. If you ran the hot supply tube through an open, for evaporation, or closed water tank, the water would absorb heat, warm up saving hot water, and cool the liquid pipe going to the evaporator.
Look up geo thermo furnace that is what you are trying to do
You would be better served to bury copper tubing in the back yard and pump water through it continuously to transfer the heat, or better yet, AIR pumped out to a bed of stone that has been flushed with a fan and misted with water all night to cool it, try to find some information about the International Solarthermics solar collector and modify that design to a cooling bin storage device... two fans and a differential thermostat could supply a great deal of your cooling needs, and perhaps heat load in the winter to boot.
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