Ductwork is the often overlooked aspect of a homeowner’s HVAC system. And it is a system, not just a unit. When thinking about air conditioners and furnaces, you also must keep in mind items such as ...
Answer: In a properly maintained HVAC system, duct cleaning probably isn’t necessary more than every seven to 10 years. What is important is changing the filter monthly. Generally, a one-inch paper ...
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