:usa: Who/What safely cleans a house crawl-space? The crawl-space is 4ft at its highest point; 18in at is lowest point; about 1275 sqft. The crawl-space hasn't been cleaned in over 20 years. Franchise companies like Servpro or Coit only guarantees rugs, carpets, draperies. If you might provide a few suggestions to help me find a good company with proven results! Thank you so much for your help!