We had Gale Insulators blow in insulation above our NW facing lanai. The lanai is enclosed. With an infrared thermometer, I took many before and after measurements. This included measuring the temperature of a neighbor’s lanai with the same construction, configuration and only a few minutes apart. His lanai ceiling was insulated and at the time mine was not. Here is the result:
The insulated lanai ceiling is 11 degrees cooler and the air temperature is 8 degrees cooler. You can private message me for more details on the technique I used in this study.
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