![How GARN Works](https://garn.com/wp-content/uploads/2011/07/HowGarnWorks-186x124.png)
Why Does a GARN WHS Perform So Well?
Combustion air is drawn directly from outdoors through an internal air inlet tube (A) to the air distribution collar (B). The outdoor air is preheated as it travels through the air inlet tube (A) and the air distribution collar (B). This yields more efficient combustion.