Ductwork Supplies & BESA Training – Duct Cleaning & Sealing Equipment Keep up to date with the latest Hasman news We’re Still Open! 9th February 2021At Hasman we are still providing training to key workers during lockdown from our Liverpool Headquarters. All of our existing training dates are still in… read more Can Flexible Ductwork Be Cleaned? 29th January 2021According to the National Air Duct Cleaners Association (NADCA), the failure to clean ducts may lead to the development of ailments like allergies, respiratory complications,… read more What Is The Best Material For Ductwork? 29th January 2021Your ductwork is an essential part of the HVAC system. They are the pathways through which cooled air from the AC system passes and the… read more Follow us on LinkedIn for industry news and project updates!