Frequently asked questions about the Ventilation systems category
What are Ventilation systems — is...?
Ventilation systems — is a set of devices for indoor air exchange: heat-recovery units (recovery fans), axial fans and replacement filters that provide fresh air supply and exhaust. Our category includes E-EXTRA EER100S/EER125S/EER100WP/EER125WP recovery fans, AV-TTW6-W fan and SPK2, F125, F100 filters.
Which recovery fan models suit an apartment?
Compact recovery fans E-EXTRA EER100S and EER100WP suit apartments, featuring Ø100 mm duct connections and designed for lower airflow volumes and straightforward wall or duct installation.
Which models are better for industrial enterprises?
For industrial use choose more powerful units like the E-EXTRA EER125S and EER125WP with Ø125 mm connections; they deliver higher airflow suitable for larger rooms or multiple exhaust points.
What is the difference between EER100S and EER100WP?
EER100S is the standard unit with an integrated switch; EER100WP includes a power cable + switch for easier installation. Both share Ø100 mm duct connections; the difference is in supplied accessories.
Which filters are compatible with E-EXTRA recovery fans?
Compatible replacement filters are F100 (Ø100 mm) and F125 (Ø125 mm) — available in white polyester (G4) and black polyurethane. Use F100 for Ø100 units and F125 for Ø125 units.
How often should SPK2 and F100/F125 filters be replaced?
We recommend replacing SPK2 (490x43 mm) and F100/F125 filters every 6–12 months depending on air pollution level. In dusty environments check filters visually every 3 months and replace as needed.
What are the dimensions and materials of SPK2 490x43mm filter?
The SPK2 filter measures 490x43 mm and is available in white polyester or black polyurethane. It is sold as a pack of 2 and fits devices with the matching filter slot.
Can the AV-TTW6-W recovery fan be controlled via WiFi?
Yes, the RECOVERY FAN AV-TTW6-W WIFI 160MM supports WiFi control, allowing remote mode and speed adjustments via a mobile app or smart home integration.
How to choose the F125-G4 Ø125mm filter for a recovery fan?
Select F125-G4 Ø125mm if your recovery fan has Ø125 mm duct connections. The G4 polyester variant provides basic dust filtration and is sold in packs of 3.
What accessories come with E-EXTRA EER125WP JUHE+LÜLIT?
The E-EXTRA EER125WP JUHE+LÜLIT comes with a power cable and an integrated switch, features Ø125 mm connections and is designed for higher airflow capacity.
New Arrivals in the Ventilation systems Category in 2026
Best sellers in the Ventilation systems category in 2026
Cheap products in the Ventilation systems category
Expensive products in the Ventilation systems category
- REKUPERAATOR LOTUS AV-TTW6-W WIFI 160MM — 490.49€
- RECOVERY FAN E-EXTRA EER125WP JUHE+LÜLIT — 247.48€
- RECOVERY FAN E-EXTRA EER100S LÜLITIGA — 229.10€
- RECOVERY FAN E-EXTRA EER125S LÜLITIGA — 225.39€
- RECOVERY FAN E-EXTRA EER100WP JUHE+LÜLIT — 183.09€
Price of products in the Ventilation systems Category
Ventilation systems: 6.27€ — 395.56€ (12)