A move into duct-cleaning work is natural for HVAC contractors looking to expand their repertoire and add another source of revenue. The ability to clean ductwork and peer inside it via video cameras, ...

Your HVAC system is only as good as the ductwork behind it. Poor sizing, leaky seals, and bad vent placement can waste energy and leave rooms uncomfortable. Knowing how ducts work — and fixing common ...

One truth that changed my life is that the duct system determines equipment performance and efficiency more than the equipment itself. Others in the HVAC industry have also realized this; true ...