Zehnder ComfoFond-L Q, Right Handed AX3546 The videos below explain the

The videos below explain the unit's commissioning and  ongoing maintenance

Zehnder P/N 400 502 013

operating at just 17 dB(A) on low trickle

Strong outer surface for damage-free installation

The Vent Axia Svara marks the next generation of unitary fans

Zehnder ComfoFond-L Q, Right Handed AX3546 The videos below explain theThe 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