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of comfort

Ventair TRDn

Timeless design, highest quality. TRDn is the trickle vent with pressure control most frequently selected in Europe.

A lot can fit into small space

Automated pressure difference control enables the TRDn trickle vent to automatically implement the controlled ventilation concept. It ensures appropriate, healthy climate inside while having a minimum consumption of energy.

Aerodynamic aluminium panel carries out the control function – inflowing air makes it drop or raise, controlling the flow rate. This solution ensures constant flow regardless of the weather conditions.

Despite its small size, Ventair TRDn is characterized by very good acoustic attenuation – up to 40 dB when closed!

Control is yours

Throttle enables also manual control. At any time you can increase or decrease the air flow and adapt it to your current needs.

  • automatyczne sterowanie roznica cisnien

    Automated pressure
    difference control

  • popularne rozwiazanie


  • ekonomiczne rozwiazanie


Ventair TRDn

Flow characteristic Ventair TRDn
Obszar roboczy 94
Trickle vent
Obszar roboczy 76
Air intake
Obszar roboczy 77

Technical specifications

  • Nominal flow ∆p = 10 Pa

  • trickle vent open: 23,8 m3/h
    trickle vent closed: 5,7 m3/h
  • Nominal flow ∆p = 20 Pa

  • trickle vent open: 26,1 m3/h
    trickle vent closed: 8,3 m3/h
  • Acoustic insulation

  • trickle vent open: Dn,e,w = 34 (-1; 0) dB
    trickle vent closed: Dn,e,w = 40 (-2; -2) dB
  • Control

    automated with pressure difference,

  • Resistance to penetration by rainwater

    300 Pa

  • Resistance to condensation

    RH = 41% at Tout./Tin. = -20°C / +20°C

  • Materials

    Aluminium, ABS/ASA

  • Range of application

    wood window framing, PVC

  • Available colors

  • Standard

  • body: RAL 9016, 7016, 8003, 8017
  • *ends for the body RAL 9016 – white,
    others – black
  • Custom

  • body: any RAL,
    anodized coating
    silver C-0, olive C-33,
    ends: black


Find a seller / installer

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In order to allow you to directly buy our product, we will soon open for you an on-line shop.

Contact us

Do not hesitate to contact us or to share you opinion about our products!
Call our consultant
+48 12 425 31 64