The rep was very knowledgeable and truly concerned that we got the right fix for our situation. We have a child with a terminal illness, her lungs are not very strong. Our crawl space is just 2 to 3 ft high and a dirt floor. We knew from researching that around 25% of the air we were breathing was from under the floor and we were having some respiratory issues. the team that came for the installation were very respectful, careful and clean. They also knew the product very well. amazing service.