How Sanitizing Air Ducts Improves HVAC Efficiency
I recently talked with my friend John, who works with heating and cooling systems at a big building. He told me that one day, he discovered the reason for high energy bills and uneven room temperatures was that the air ducts were dirty and clogged. After cleaning the air ducts, everything worked much better; the air flowed easily, the system used less energy, and the air in the building was...
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