Automatic ventilation gives stable temperatures. You need a quarter of the floor area in opening vents. Wax operated Vent Openers, the hotter it gets the wider they open. Adjustable to start opening anywhere between 12 - 25 degrees centigrade.

Products Found: 8 Sort by:

A simple yet rugged, inexpensive Vent Opener Lifts 22lbs.10kg Clamps to aluminium greenhouses. Screws onto timber.

Price: £25.00

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MK7 Triple Spring

For heavier roof vents or top hinged side opening windows. Prevents flutter in exposed greenhouses. Lifts up to 26lbs 12kg 36” x 24” Anodised Aluminium. Will lift a 36” x 24” aluminium vent.

Price: £39.95

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MK7 High Temperature

For use in Orchid and Tropical houses. Setable to start opening between 25oC and 35oC. Stops the problem of vents being open and the heater still being on.

Price: £45.95

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Conservatory Vent Motor

Virtually silent electrically operated, similar to a hydraulic ram, lifts 45 kilos. Ideal for heavy double glazed roof lights. One motor per vent.

Price: £279.00

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Vent Motor Control

As temperature rises, the thermostat activates the burst timer. The window opens slightly, then waits before opening further, continuing until wide open.

Price: £219.00

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Extract Fans 9"

A well proven plastic fan. All fans; window or wall mounted are 240V AC with automatic shutters, preventing heat loss when fan is off.

Price: £298.00

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Simply Control Stainless Steel Extract Fan

Our own stainless steel fan made specifically for greenhouses. The fan will extract 1,200 cubic metres of air per hour with its 18 watt motor.

Price: £234.00

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Automatic Louvre Opener

Adjustable, temperature controlled louvre opener

Price: £28.95

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