The Univent Automatic Vent Opener Standard is a temperature-activated solar vent opener designed to help regulate the temperature in greenhouses, cold frames, and other enclosed spaces. It can lift up to 15 pounds and starts opening between 65 to 77 degrees Fahrenheit, depending on the adjustment of the cylinder. The opener is easy to install, screwing directly into polycarbonate panels, wood, or metal frames. It features a unique hydraulic cylinder with a 3-year manufacturer replacement guarantee and a versatile hinge that opens cold frames, doors, vents, and windows.
Pros
Temperature-activated: The Univent opens and closes the window vents based on temperature, allowing heat to escape when needed without manual intervention.
Easy installation: The opener screws directly into polycarbonate panels, wood, or metal frames, making it simple to set up.
Versatile: The Univent’s versatile hinge can open cold frames, doors, vents, and windows.
Durable: The unique hydraulic cylinder comes with a 3-year manufacturer replacement guarantee.
Cons
Compatibility: The opener may not be designed for all vents, so it’s important to ensure it fits your specific setup.
Balancing load: Some users have found that using a counterweight is necessary to balance the load on the windows.