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Furnace air flow floor.
Heating cycle finishes it stays there until it cools back down when the whole cycle begins again.
The arrow should always point in the direction the air is flowing.
This article includes a diagram of furnaces with different air flows and an explanation of when different configurations are appropriate.
If you inspect your new air filter you may see an arrow that says air flow.
From dirty air ducts blocked damper valves damaged duct runs to an insufficient numbers of return air vents there are a variety of signs that may indicate a furnace air flow issue in your home.
But sometimes you may not know which way the air is flowing.
If you have any questions about how air flows through a furnace or if you d like a heating system serviced or installed in your home contact jerry kelly your st.
When changing furnace filters many people wonder where the arrow of the filter should point towards.
Air flow configuration such as upflow downflow and horizontal is a common way to describe furnaces.