Crawl Space Repair - Very Dusty crawl space in SouthWest
As you can see in this picture, the crawl space area is filled with dust and spider webs, allowing the growth of bugs and insects in the area such as dusts mites and other critters.
The dust mites are the number one allergen that people with asthma and allergies react to.
But when u dry the crawl space area, the house dries out and the dust mists will die.