We assure you that you will be completely satisfied with our duct cleaning service. You do not have to pay unless you get completely satisfied with our duct cleaning services. We will do it again for you and then you can make the payment once you are satisfied with our service. Our dedicated team, of duct cleaners, is expert and properly trained to achieve perfection in one go and we have maintained a good record of completing the duct cleaning tasks successfully. However, if we are unable to please you, we will not charge a single penny and redo the work again.