Greenhouse Ventilation

For roof vents weighing up to 12lbs, approx.30" x 24" (76cm x 61cm). Can be clamped onto aluminium greenhouses - no need for any drilling. If a mor...

The kit is not of a fixed width, it will fit 90% of all greenhouses, the width of the kit is determined by the spacing of your glazing bars. The ki...

Temperature adjustable - you can set the opener to start opening the louvre from 15-18*C, with a maximum opening at approximately 30*C. Easy Fitti...

Easy to fit. This cylinder is filled with a wax that expands in warm temperatures - it can be set to start opening from around 12*C / 55*F up to 75...

Bayliss guarantee their openers for 2 years but if anything should go wrong after that replacement cylinders are readily available and easy to fit....

This reliable vent opener works by a wax within the cylinder of the opener expanding when it's hot, pushing a piston to open the window. When it co...

Dimensions: 8inch (20.5cm) long main body (including brass nut). For roof vents weighing up to 12lbs, approx. 30inch x 24inch (76cm x 61cm). Exert...

Versatile - this heater has three setting, with options of fan only, 1.5kW and 3kw and is capable of heating a greenhouse up to 10' x 12'. IP24 Ra...

For side windows up to approx.36" x 24" (92cm x 61cm). Bolts on to aluminium greenhouses (fixings supplied) - for wooden greenhouses it is attached...

Fully Automatic - Opens your roof vent as the temperature rises maximising ventilation and air circulation. Fully Adjustable - Has an adjustable ...

Moves a huge 420 cubic metres of air per hour. Only consumes 69 watts of power. Designed to be suspended using the two 11" (28cm) long zinc plated ...

Easy to fit - Designed specifically to fit the Palram Canopia Louvre Window. Automated - Automatically opens the louvre window, it also has a rel...

For large roof vents weighing up to 35lbs.  Bolts on to aluminium greenhouses (fixings supplied) - for wooden greenhouses it is attached by wood sc...

For roof or side windows in severely exposed positions weighing up to 14lbs, approx.30" x 30" (76cm x 76cm).  Bolts on to aluminium greenhouses (fi...

Unique, ultra strong, finned aluminium cylinder with both internal and external finns - this gives a more efficient heat exchange between the wax i...

This louvre can be fitted into any side of the greenhouse, including the back of the greenhouse opposite the door. However, it can not be fitted in...

Designed for aluminium or timber framed vents measuring up to 60cm square (2ft square) lifting a load of up to 6kg (14lbs). Provides a maximum open...

Easy to fit. This cylinder is filled with a wax that expands in warm temperatures, it can be set to start opening from around 75*F up to 90*F. Le...