Ventilation for Greenhouses – Automatic window opener supplier

Automatic greenhouse vent opener – Univent^®

This unique window opener is a very versatile opener. Capable of opening windows, doors and cold frames

Automatic window opener – Thermovent^®

The cost effective window opener in aluminium-zinc coated steel.

Automatic window opener – Ventomax^®

In spite of the opener’s simplicity, the design allows you to adjust the temperature where the opener begins to react to the surrounding temperature.

Automatic window opener – Sesam Spiro^®

Is manufactured in stainless steel for the ultimate lifetime and keeps the hydraulic cylinder inside the greenhouse no matter if the window is open or closed.

Automatic greenhouse window opener – Optivent^®

The piston rod is completely sealed off in an aluminium enclosure. This makes this window opener extremely applicable for dusty environments.

Automatic window opener – Sesam Liberty^®

The opener can replace all existing both manual and automatic operated louver openers.

Automatic window opener – Megavent^®

Is a strong and powerful opener able to lift wholly 70 % more than our window openers in the small range and has a large and powerful spring that will make sure that the opener is able to close even large windows in a strong wind.

Automatic window opener – Megavent Storm^®

With a built-in damper for handling the window in strong winds.

Automatic window opener – Gigavent^®

The most powerful window opener on the market. Handles large windows in strong wind.

Standard cylinders

Our renowned hydraulic cylinders from the small range window openers.

Hydraulic cylinders – THERMACT

These special hydraulic cylinders belongs to a group of products we call Thermact.