Indoor Air Quality Solutions, IAQS did an excellent job of educating me with their experience and knowledge. They let me know what they were doing and why. The entire process was explained to me very well. They left me with a secure understanding, with a level of comfort and security that ensured me that I wasn't just imagining things or going insane. I would give them a 10-star rating if I could. Exceptional, informative, knowledgeable service!