We supply specialist ductwork maintenance for cleanliness, efficiency and fire safety (Nationwide) The company carries out duct cleaning on heating, ventilation and air conditioning systems ranging from office and healthcare buildings through suburban take-away restaurant outlets through to submarines, trains and ships. Fire damper testing, indoor air quality and system hygiene inspection are an important part of our compliance and diagnostic survey work. The company is part of the Hotchkiss group which specialises in all things ductwork.