Skip to content

Automatic Greenhouse Vent Opener

The Automatic Vent Opener was designed to automatically control the temperature and humidity levels. It provides additional ventilation for all Palram – Canopia Greenhouses, making gardening easier. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of airflow into the greenhouse until the optimal temperature is reached. The vent arm was designed with the use of wax that expands with heat and contracts when it cools. The Automatic Vent Opener operates without the use of electricity.

  • Opens roof vent automatically as temperature warms for air circulation and heat relief,
    closes when temperature cools.
  • Solar powered, heat activated – start opening point: 12°-15° C
  • Mechanic system – no electricity is needed.
  • Suitable for all Palram – Canopia greenhouses with roof vents.
  • Easy to install.
Model: #701338

Rating and Reviews

4.95 (17 Reviews)
Rating Breakdown
Post a review
Customer Reviews (17)
  1. DIANA Country: United States (US)

    Works perfectly.

    My husband had no problems installing it and it opens wide when needed. (Originally posted at "")
  2. Carole Country: United States (US)

    If you are getting the greenhouse I recommend buying an automatic opener

    If you are getting the greenhouse I recommend buying an automatic opener to help keep the temperature at a better temperature. Sometimes it takes me a little bit time to get out in the garden in the morning and this helps a lot. (Originally posted at "")
  3. HVAC10 Country: United States (US)

    Works great.

    After minimal adjustment, opens at about 60-61 degrees. Closes when temps fall below that. Only had it a month but so far it's worked fine every day. (Originally posted at "")
Need help making a purchase decision?
Fill out the form below and we will help!