Expand Your Knowledge with Continuing Education and Professional Development Programs. To enhance the appraisers knowledge and further help appraisers hone their skills, the Appraisal Institute offers a variety of continuing education subjects and professional development programs to real estate appraisers.
Swamp Cooler Average Costs. 1  A whole house swamp cooler might cost $1,500 to $4,500 installed. 2  Two-stage evaporative coolers, which produce less in-home humidity by cooling the air before it passes through the moist pads, are quite a bit costlier than the one-stage coolers described above.
An evaporative cooler (also swamp cooler, desert cooler and wet air cooler) is a device that cools air through the evaporation of water.Evaporative cooling differs from typical air conditioning systems which use vapor-compression or absorption refrigeration cycles.or direct evaporative cooling, the direct saturation efficiency, , measures in what extent the temperature of the air leaving the direct evaporative cooler is close to the wet-bulb temperature of the entering air.