New version of the catalogue Mass ventilation of garages!
In the catalogue we present suitable fan types and possible ventilation methods for specific garage buildings.
The design method using Computational Fluid Dynamics (CFD) simulation software is commented on.
The catalogue can be downloaded here.

Intelligent DCV fans CTB Ecowatt Plus

Intelligent central ventilation system for DCV systems (demand controlled ventilation).

Ventilators with air flow up to 1490 m3/h for circular pipes with diameters 160 - 315 mm.

The fan is made of galvanized steel sheet and has a protective net against small birds. The fans are equipped with a 230 V / 50 Hz EC motor with thermal fuse, have IP44 protection and are suitable for operation with air temperatures up to 40 °C.

Speed control is carried out via a potentiometer located in the terminal block, external control or 0-10 V analogue input from external sensors.

Product variants
Product name Datasheet Instruction manual Price excl. VAT Pieces
CTB/4-400/160 Ecowatt Plus IP44 roof fan Datasheet Instruction manual Price excl. VAT 37 468,00 CZK Pieces
Product detail
CTB/4-500/200 Ecowatt Plus IP44 roof fan Datasheet Instruction manual Price excl. VAT 39 405,00 CZK Pieces
Product detail
CTB/4-800/250 Ecowatt Plus IP44 roof fan Datasheet Instruction manual Price excl. VAT 42 986,00 CZK Pieces
Product detail
CTB/4-1300/315 Ecowatt Plus IP44 roof fan Datasheet Instruction manual Price excl. VAT 48 691,00 CZK Pieces
Product detail
PROSYS Ecowatt remote control Datasheet Instruction manual –⁠–⁠ Price excl. VAT 5 079,00 CZK Pieces
Product detail
TIMER RTC Ecowatt programmable timer Datasheet –⁠–⁠ Instruction manual –⁠–⁠ Price excl. VAT 2 000,00 CZK Pieces
Product detail
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