What are the signs of mold in HVAC air ducts?

What are the signs of mold in HVAC air ducts?

Health-related organizations advise cleaning HVAC air ducts when they are full of mold, debris, insects and other impurities. Why does mold grow in air conditioning and heating systems? Is it easy to detect the mold in the HVAC system with so many hidden parts? What...
HVAC Dangers

HVAC Dangers

HVAC Dangers and How To Avoid Them Heating Ventilating and Air Conditioning (HVAC) is a system finding broad applications areas such as factories, shopping malls, hospitals where living space and energy consumption are concentrated. Depending on the structure of the...