x-well® Outer wall air vent
For ventilating apartments and houses
Decentralised residential ventilation offers the benefits of continuous air exchange and filtered air, ensuring a pleasant and healthy indoor climate along with lasting protection of the building fabric. Low-noise operation and equipped with effective heat recovery. Quick, easy, and cost-effective to plan, install, and maintain. Ideal for renovation projects due to the deliberate lack of ventilation ducts.
For a natural flow of supply air
The easy and cost-effective solution for implementing ventilation concepts. These products ensure a natural flow of supply air into the rooms. A high level of sound insulation, minimal planning effort, simple installation, and easy maintenance.
- Sound absorbing ventilation – highest possible sound insulation in its class
- Can be retrofitted to create a system with heat recovery, provided that the relevant wiring has been taken into account
- Easy and cost-effective system for implementing a ventilation concept
- Ideal interaction with single-pipe fans and small room fans
- Integrated wind pressure protection to prevent living spaces from cooling down in high winds
- Filtering of the outside air,
- Noise insulation ring with 3 chambers for minimal pressure losses, highest sound insulation, and volume flow adjustment.
Decentralised residential ventilation without heat recovery
4x ALD13, 3x A12 and 1x A21
With its variety of decentralised systems, KERMI enables controlled residential ventilation to be installed quickly and easily in any building. With the aid of core drilling, the cost-effective ventilation systems can be used for renovation projects and new builds alike. In this example, an installation brick is being used.
Further products
x-well ALD13
The outer wall air vent featuring a designer inner panel, with an integrated ISO coarse 60 % (G4) filter and a closing flap.
The ALD 13 is used to provide natural ventilation in residential buildings. Excellent sound insulation values are achieved thanks to the integrated sound absorbers. What’s more, the ALD 13 also serves as an inlet for the supply air when used in conjunction with extract air systems according to DIN 18017-3.
Our exclusive flow-optimised external covers are available in Black, White, and Stainless Steel.
Minimal planning effort required, simple to install
Thanks to permanent ventilation, the fabric of the building is better preserved and mould is prevented
Cost-effective to install and maintain
Integrated wind pressure protection ensures that the room temperature does not drop in high winds
A coarse dust filter keeps the supply air clean while keeping insects out
Reveal variant available
It is possible to upgrade to an x-well® pendulum fan system with heat recovery, provided that an electrical installation is available
Two sound absorbers included in the scope of delivery
External cover
stainless steel
anthracite RAL 7016
white RAL 7016
x-well ALD11
This entry-level model is available with an external cover and inner panel made of plastic.
The ALD 11 is used to provide a controlled and natural flow of supply air in residential buildings. Excellent sound insulation values are achieved thanks to the integrated soundproofing elements.
Minimal planning effort required, simple to install
Thanks to permanent ventilation, the fabric of the building is better preserved and mould is prevented
Cost-effective to install and maintain
It is possible to upgrade to an x-well® pendulum fan system with heat recovery, provided that an electrical installation is available
Integrated wind pressure protection ensures that the room temperature does not drop in high winds
A coarse dust filter keeps the supply air clean while keeping insects out
Two soundproofing sets included in scope of delivery
Reveal variant available
External cover
white RAL 9016
