Spot Cooling Schaefer Ventilation

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Heat & Humidity

WayCool and Pro-Kool Works!
Many people mistakenly believe they live in a place that is too humid and hot for a WayCool or Pro-Kool to be effective. But the laws of physics dictate that as the temperature rises, relative humidity falls.

A review of weather data from hot weather regions shows that even in the most humid climates, midday relative humidity levels are well within the range where WayCool/Pro-Kool can provide heat relief.  Humidity levels may start the day in the 90% range during the cool morning hours, but a 90°F and above, it's almost impossible to have humidity levels above 70%.

City, State

Relative Humidity %

WayCool temp.
drop at 95°F

Baton Rouge, LA

Upper 50's

12°F

St. Louis, MO

Lower 50's

16°F

Phoenix, AZ

Upper 10's

25°F

Philadelphia, PA

Mid 50's

14°F

Orlando, FL

Upper 50's

12°F

Air Temperature

Temp. drop at
40% RH

Temp. drop at
50% RH

Temp. drop at
60% RH

80°F

18°F

14°F

11°F

85°F

19°F

16°F

11°F

90°F

20°F

15°F

11°F

95°F

21°F

16°F

12°F

100°F

19°F

16°F

11°F