I am getting a musty smell in my home after heavy rains or after being out of town, is it my crawl space?

The source of odors in your home is very hard to identify, musty smells inside the home may be caused by moisture in the crawl space or may be unrelated. Many people notice these odors when their home has been closed up for an extended period like returning from vacation or after periods of heavy rainfall. Sometimes these odors are simply a seasonal or passing issue and may simply go away. Sometimes they may be related to a crawl space issue and can be solved by controlling moisture and other factors in the crawl space. 

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