I have an 2007 vertical installed trane furnace with 16x20 filter, is it upflow or downflow?Post created: 2016-02-20 Type of Equipment: Furnace Views: 110
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I think it is downflow
On 2016-02-22 wrote:
When you remove the filter from the unit the arrows indicate the airflow direction. Just make sure when you replace the filter the arrows are in the same direction.