Greenhouses, Frames and Growing Accessories

Automatic greenhouse ventilation with Univent® Black

A temperature-responsive opener for greenhouse vents Univent® Black is an automatic opener for greenhouse vents, vertical doors and cold frames. Its aluminium construction and temperature-responsive mechanism are designed to open an appropriate fitting as the temperature rises, without manual operation. Check the opening type and the documented weight limits against your existing structure before choosing this model.

Key details to check

1. Opens within a stated temperature range: The listed opening temperature range is 17–25 ºC. The mechanism’s opening response is specified within this range.
2. Up to 45 cm opening length: The maximum opening length is 45 cm. Allow for this when checking the space available around the vent or fitting.
3. Two separate weight figures: The listed lifting capacity is 7 kg, while the maximum window weight is 14 kg. These are separate specifications; check both against your intended installation.
4. Dimensions and material: The product dimensions are 64 x 51 x 5 cm. The source describes the opener as aluminium; the listed colour is metal.
5. For several greenhouse applications: The listed applications include greenhouse vents, vertical doors and cold frames. Confirm that your particular fitting and mounting arrangement suit the opener before purchase.

Experiences with Bloomcabin

1. "Ordering from Bloomcabin was straightforward, and the team answered my questions before I purchased. I'm very happy with my choice." – Olivia Wilson
2. "My order arrived carefully packaged and was exactly as described. The quality met my expectations, and I would happily purchase from Bloomcabin again." – Jack Thompson
3. "I had a question about my delivery, and Bloomcabin's customer support was friendly and helpful. They kept me informed and made the whole experience easy." – Charlotte Brown