I totally agree. The interior of my home at present 71 degree F. Outside it's 30 degrees C. My tank is 77 degrees F. Everyone's comfortable and I'm paying a dollar a day to keep my house at that temp. I love my heat pump.
Bill
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Originally Posted by b_james
Another example of why I believe Central AC should be more efficient that employing chillers and fans - try adding up all the wattages of equipment being used to cool your tank. Also consider the other effects such as additional heat gain from the fan and chiller motors. Using fans to blow air across the surface of the water to cool is somewhat counter productive. Evaporative cooling cools by reducing the latent heat through evaporation - therfore by accellerating evaporation rates you will increase cooling, however as you increase evaporation you increase humidity levels in your space, therefore making it seem hotter and making it even more dificult to cool your home. Unless your RH is very low (very dry air) in oder to cool your home you will need to dehumidify.
Too complicated....  Simply put, if the room environment is kept at a constant cool temp, your tank temp should equallize maybe a few degrees higher without evaporating accessive amounts of water. My 2 ton system consumes about 6 amps - it keeps my house and tank comfortable.  |