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vent openers

How Can I Keep My Greenhouse Cool During a Heat Wave?

Quick Answer:

To keep your greenhouse cool during a heat wave, use shade cloth or natural shade, improve ventilation with exhaust or ceiling fans, spray water on floors, place plants at ground level, and consider mechanical cooling options like portable air conditioners while ensuring proper sizing, ventilation, and plant-specific needs.

summer greenhouse
Black Cape Cod style greenhouse with roof vent open

What Are the DIY Tips for Fixing a Stuck Greenhouse Roof Vent?

Do you have a greenhouse roof vent that is no longer opening or not opening enough?

Over the years, the piston moving through the seals gradually wears the seal material away, allowing a gradual seepage of wax out of the cylinder. This reduces the pressure within the cylinder and needs to be replaced. But it could also be that the wax in the cylinder just needs a simple kickstart and a warm bath. Here is a tip to see if you can get them working again: