# Univent Automatic Roof Vent Opener for Greenhouses

**URL:** https://aio.lv/en/product--nenurodytav-lt1109-8001--12506027
**Data updated:** 2026-06-10 09:22 (EEST)
**Category:** Garden Equipment Accessories
**Manufacturer:** NENURODYTA\_V
**Manufacturer code:** LT1109-8001
**EAN:** 5701972183313
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.99 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 19.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nenurodytav-lt1109-8001--12506027

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

The Univent automatic roof vent opener is a temperature-sensitive device designed for greenhouse ventilation. It automatically opens and closes the roof vent based on ambient temperature changes, ensuring optimal climate control for plants without the need for electricity. This durable mechanism helps maintain a stable environment, preventing overheating and promoting healthy plant growth in various greenhouse setups.

## Long description

The Univent automatic roof vent opener is a precision-engineered device designed to regulate greenhouse temperatures without the need for electrical power. By utilizing a temperature-sensitive cylinder, the mechanism automatically adjusts the opening of the roof vent as ambient conditions change. This ensures that your greenhouse maintains a consistent climate, which is essential for preventing overheating and fostering healthy plant development throughout the growing season.
Advantages
This automatic opener offers a reliable and maintenance-free solution for greenhouse climate management. Constructed from durable aluminium, it is built to withstand the humid environment of a greenhouse while providing consistent performance. Because it operates entirely on thermal expansion, it eliminates the need for batteries or mains electricity, making it an eco-friendly and cost-effective choice for any gardener. The system provides peace of mind by ensuring that ventilation occurs even when you are not present to manually adjust the windows.
Suitable for
Small to medium-sized hobby greenhouses
Greenhouses requiring passive climate control
Maintaining stable temperatures for sensitive plant species
When it may not be suitable
This device is not suitable for extremely heavy or large-scale commercial greenhouse vents that exceed the weight capacity of the thermal cylinder. It should also not be used in environments where the temperature is expected to drop below -3 °C during storage or operation, as this can damage the internal mechanism.
Key specifications
Material: Aluminium
Operation: Temperature-sensitive thermal expansion
Power source: None (mechanical)
Dimensions: 0.3 m length, 0.1 m width, 0.15 m height
Colour: Grey
How to use
Installation involves attaching the opener to the greenhouse frame and the roof vent according to the provided mechanical alignment. Once installed, the thermal cylinder reacts to the rising temperature by expanding, which pushes the vent open. As the temperature drops, the cylinder contracts, allowing the vent to close securely. No manual calibration is required for daily operation, though it is recommended to check the mounting points periodically to ensure the mechanism moves freely.
What to consider before purchase
Verify the weight of your greenhouse vent to ensure it is compatible with the opener.
Ensure the greenhouse structure allows for the mounting of an automatic opener.
Consider the local climate to ensure the device is not exposed to freezing temperatures during the off-season.
Usage recommendations
To ensure the longevity of the thermal cylinder, remove the device from the greenhouse during winter months if temperatures drop below -3 °C. Proper storage in a frost-free environment will prevent damage to the internal components and ensure reliable operation for the next season.

## FAQ

### How much does the Univent Automatic Roof Vent Opener for Greenhouses cost, and is it available for purchase?

The price is 23.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 167 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Friday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All NENURODYTA\_V products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized NENURODYTA\_V service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12506027/68847204_large.webp