Evaporative coolers provide an energy efficient way to cool air temperature in low humidity climates. Warm air is cooled as it passes through porous pads that are kept moist by water dripping on their upper edges. The warm outside air is passed through a blower wheel into the pads and cool air is then passed into the home.
Ultra low flow toilets use 1.6 gallons of water or less per flush, compared to the 3.5 gallons or more used by older model toilets.
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