There are some companies that offer a very low cost for crawlspace encapsulation - and this picture shows why. The company that installed this vapor barrier did not properly seal the seams, allowing for a messy look and an ineffective barrier against moisture, dust and bugs. Dr. Energy Saver promises to make sure this messy job does not happen to your crawlspace. Dr. Energy Saver recommends using the CleanSpace® system to ensure your crawlspace encapsulation meets the highest standard of quality.