Zehnder ComfoFond-L Q, Left Handed under-50 Charcoal Filter Type CF190 or

Charcoal Filter Type CF190 or F00159 or CFC0140055 compatible hoods are as follows: Use only if recirculating and not ducting out

iCON 60 Humidity

1 x Violet light LED leak detection lamp

Optimised performance with air volumes up to 20 l/s possible

Zehnder ComfoFond-L Q, Left Handed under-50 Charcoal Filter Type CF190 orThe ComfoFond L Q is a subsoil heat exchanger which uses the renewable energy captured in the ground.. It can be linked to your Zehnder heat recovery system and uses the constant year round temperature of the earth to pre heat incoming air during cold periods and pre cool incoming air during warmer months. It can do this thanks to the relatively stable temperature of the earth year round at a depth of 1. 2 1. 6m compared to the variability of the air