Many people don't realise the ducts in their properties are full of contaminants such as dust, animal feathers and dander, bacteria, bugs and all kinds of insects.

Atlanta, GA-The Washington, DC-based NADCA- The HVAC Inspection, Restoration & Maintenance Association, held its certification examination. Local contractor Derrick Rhodes, of Mediclean Air Duct Cleaning, was among a select group of professionals.

Heating and ventilation ductwork manufacturer and contractor, Senior Hargreaves, has appointed Darren Webster as the new operations director.