YES! We do provide guaranteed results for all our duct cleaning services. We have been serving our respected customers for the last 10 years all over Melbourne. Our invincible track record of 100% satisfied customers makes us more confident about our duct cleaning services. Also, we are proud of our dedicated team of insured cleaners who are absolutely trained and experienced. Therefore, we ensure to provide you guaranteed results with all our duct cleaning services. Our guarantee makes sure that you do not have to pay a single penny if you do not feel satisfied with our services.