Hi, unfortunately no it wouldn't fit.
For ventilation from ground to ceiling exhaust vents you want it near the bottom
Hi Cl68, The Side Louvre Window is incompatible with the Lean To 8x4 Grow House. Thanks and have a wonderful day!
Best when installing i did install mine after but little more work
Hi Ben, The Side Louver Window for Greenhouse size is as follows: 23.2 in. W x 2.4 in. D x 25.2 in. H. Will be duly updated. Thanks and have a wonderful day!
Hi Robert, The dimensions are - height: 24.6", width: 24", depth: 2.4". Typos will be rectified. Thanks and have a wonderful day!
Hi MetalGear, Yes, this Side Louvre Window is compatible with Harmony Greenhouses. Thanks and have a wonderful day