This greenhouse is just what we needed. We have a lot of cactus and agave that can't winter here in NC so we have to store them in a greenhouse over the winter with heater set to come on when temperature goes below 45 degrees. This took my husband about 4 hours to put together. Not too bad. The instructions were very easy to follow. My plants are thriving! So glad We chose to buy this one. A wonderful buy for the money!