If the humidity in the room is above 65% (RH), then viruses, fungi, mites, mosses, and bacteria that trigger allergies for asthmatics will grow rapidly. Insects and cockroaches can also multiply more rapidly in humid places. Conversely, if the humidity is below 45% (RH), the skin, throat, eyes become dry and itchy, the airways and mucous membranes that function as natural barriers to disease also become dry so that our bodies are more susceptible to disease. Aside from that, if the humidity in your house is caused by your problematic crawl space, then we suggest you call the certified company of crawl space repair near your area.

In addition, in places where the conditions are low, influenza viruses can survive longer. Rising or falling humidity levels can be sourced from outside or inside the house. Changes in weather such as the rainy season can increase the humidity inside the house.

The daily activities of four family members such as bathing, washing, cooking, and breathing can add as much as 12 glasses of water to the air. Conversely, the location of homes that are often exposed to sunlight, using heating, ovens for cooking, and air conditioners can cause the air in the room to dry.