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Evergreen Greenhouse Automatic Vent Opener

Pre-order now, new stock arriving 27 Sep


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Evergreen Greenhouse / Glasshouse Auto-Opening Vent.

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Product overview

Product Overview

Evergreen Greenhouse / Glasshouse Auto-Opening Vent.

Top quality product backed by our 12 month warranty. Thermostat mechanism, automatically opens and closes the vent at a set temperature.

Its automatic operation adjusts the ventilation as temperature changes, allowing for optimal air flow in your greenhouse. No more worrying about your flowers and plants, even when you're away.

There's no need for troublesome cables or regular battery replacements.

- Starts to open at 18-25°C
- Fully open at 35°C and above
- Adjustable temperature sensitivity
- Maximum extension of 45cm
- Maximum open weight 7kg

Similar models from other suppliers come in at $130+

Weight: 1kg
Packed carton size: 8.5cm x 5cm x 28.5cm

Average thickness of aluminium profiles: at least 1.5mm


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Customer reviews

Customer reviews

Overall rating

4.8 out of 5 stars from 10 reviews
Mama G Christchurch

Evergreen Greenhouse Auto vent opener

3 months ago

Great product, highly recommend.

JonPierre Rangiora

Evergreen Greenhouse Automatic Vent Opener

5 months ago

Working really well, saves having to remember to open and close. Would definitely recommend to a friend.

Mitch Christchurch

Does a great job!

10 months ago

Fitted and working, no problems.

Chas Canterbury

Works great

11 months ago

I would definitely buy one again

Paul Otago

Trouble free

11 months ago

These are a great addition to my hot house, trouble free and reliable

Bill Wellington

inituitive design

about 1 year ago

Excellent product that worked well on my new greenhouse.

AJ Canterbury

Must Have!

about 1 year ago

These are simply the best you really need one for each window.

Farmer Otago

Work really well

about 1 year ago

Had two operating for the last two seasons that was my reason for three more 

Wes Gisborne


about 1 year ago

Installed auto vent when I built the greenhouse. The unit did not fit right out of the box I had to make some bits to mount it so it can close properly, but once on it works very well, well worth it

Mobychev Auckland

Simple and brilliant

about 1 year ago

Best investment i have made, saves burning a lot of plants.Very reliable too.

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