Filters & Air Cleaners

Spine Fin™'s Radial Design

The radial design of American Standard's Spine Fin™ coil and the discontinuity of fins to the air stream result in dirt and debris being loaded throughout the depth of the coil. This has negligible effect on performance.


	Does Spine Fin TM experience surface loading and clogging?

	American Standard's full louvered cabinet completely protects the Spine Fin™ coil and also keeps the unit looking attractive.		No. Spine Fin™ has thousands of leading edges that extend in a radial design from the tube. The discontinuity of these fins to the air stream distributes dirt and other debris throughout the depth of the coil. Airflow and heat transfer are maintained. Secondly, Spine Fin™'s four-sided configuration presents a large surface area to the outdoor air stream. The large surface area permits more air volume at lower velocity. Lower velocity means that less dirt, grass clippings, leaves, etc., are picked up in the air stream reducing buildup.


	How does a damaged coil cause efficiency loss and how does American Standard prevent it?

	American Standard's four-sided Spine Fin™ coil permits more airflow at lower velocity.		Coils can become damaged by yard equipment, hail, sticks and balls, etc. A damaged coil can have the same type of effect on efficiency as a clogged coil if there is enough damage. American Standard utilizes heavy gauge louvered steel panels that permit air to pass through, but at the same time completely protect the coil from anything that might damage it. Many of American Standard's competitors utilize chicken wire-type protection, which doesn't really provide much protection at all.


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