Ability replaced our septic line from the tank to the field lines. 7 years later they came back out to fix an issue with that line at no charge to us because they stand by their work. It's nice doing business with a company that stands behind its work. Their septic tank cleaning charges are also cheaper than most other companies and they give you feedback about what was going on with the tank. I trust Ability, their expertise and their warranty. I would not use any other company. Fred T. In West Chicago, IL.