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The Automatic Louver Vent Opener was designed to automatically control the temperature and provide additional ventilation in all Rion Greenhouses. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of air flow into the greenhouse and closes when the optimal temperature is reached. The vent arm was designed with the use of natural minerals that expand with heat to push a piston, which raises the window, as the air gets warmer then contracts as it cools, closing with the use of a spring. The Automatic Vent Opener operates without the use of electricity.
Manufacturer Contact Information
877-627-8476
JoeHub
Reviewed in the United States on May 6, 2023
NOTE_ This review is for an installation on a Palram - Canopia Glory Greenhouse.A bit difficult to install, required two people at one point to attach spring return mechanism to greenhouse louver window frame.After installation I was not satisfied with the amount of opening on hot days. I traced the problem to the hardware supplied to attach the actuating lever to the window frame (see picture). The bolt that came with the kit was smaller in diameter than the original and therefore loose in the window frame hole. I drilled out the actuator lever hole to match the louver frame and used a larger bolt. Works better now.
Adam Page
Reviewed in the United States on March 25, 2023
It works as planned. Open the louver door between 60 and 70°.
Brysio
Reviewed in Canada on January 23, 2020
for sure - overpriced! on a other side I didn't install this yet as we are at the winter time, looking prepared good - there are brackets for different configurations of "louvre windows" (this fits rion and palram) - gonna see how this working spring time! (if "power element" tube is good a do not see why this can not working!)
JMA
Reviewed in the United States on January 14, 2017
I was pleasantly surprised the day after I installed this louver opener. It was a warm, fall day, but I didn't think it was getting hot in the greenhouse and certainly not hot enough to activate the opener. However, with the sun, the temps were rising into the upper 70's, lower 80's. I was happy to see the louver windows open and thereby drawing cooler air from the ground up through the open window at the top. I know my plants will thank me later this summer for purchasing it!
Greg Reese
Reviewed in the United States on September 12, 2016
Handy little product. Makes the venting process as easy as can be. If I add any more vents I will add another one of these as well.
Madam H
Reviewed in the United States on January 7, 2016
Does what it claims, attached to the louver on a Palram Mykos greenhouse.Appears to open at about 65 degrees or so, I like that it opens gradually. Have had it in use about three months now (October - January in north Texas) and have no complaints so far. Haven't been able to test it in hot weather just yet, so performance on a typical summer day is unknown right now. Will post future experience after a full season.
Paul
Reviewed in the United States on March 18, 2014
This item is not a Rion automatic louvre opener it is a Liberty automatic opener. The picture does not match the product I received. I was told the Rion would fit on the Palram louvre window so I purchased it. I was able to get it to mount on the side window louvre, but had to make bracket to go between opener and side louvre. I now need to test it to see if it will open the louvre when it gets hot. The springs are pretty heavy duty I hope the cylinder has enough pressure to open it.
Peter Lubas
Reviewed in the United States on March 16, 2014
not as shown not sure if I want to try to make it work or get the right thing would be nice to get what you order
Baldone
Reviewed in the United States on May 14, 2013
Requires adaption to the Rion Greenhouse, but once installed works fine. Thought I could maintain watch and adjust manually. You can't. This thing is on the job all the time. 52 degrees outside and 100 degrees inside in full sun. Who knew. Would buy again knowing what I know now.
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