Building a greenhouse usually an action taken for functional purposes, but it doesn’t mean they should only be working. There are many elective mechanisms that you can add to the glasshouse to make it more comfortable and also more effective. Read and learn about additional greenhouse that can make you a lot better. Indeed, this is a valuable greenhouse accessory.
The first among the "essential" Advanced Greenhouse Technology is adjustable irrigation system. You can implement this via overhead sprinklers or soil-level water feeds. The main reason for this is to improve the distribution of water to all your plants, and it also takes a lot of work out of the problem.
If you can swing a computerized, automated system, then that is even better! That way you can schedule the watering and just let it do its work.
For those who plan to grow plants in pots in their greenhouse, sturdy racks are highly recommended. Racks multiply the area that you can grow plants on, allowing you to stuff more plant biomass into your controlled system. Also, it makes things much easier on your knees and back, reducing the need to stop or squat down to perform tasks. Make sure to use rustproof and rot-proof materials for your racks or you could face a catastrophic failure.
A water pressurizer and long nozzle-equipped hose are great to have. Not for watering plants, though it can certainly achieve that. Be careful when doing so though, as the pressure can bruise the plants or rip them apart.
The main reason for having a mobile pressurized water delivery system is for cleaning. It will make cleaning your greenhouse much easier, particularly for cleaning roof panes. This way, you won't have to take risks by climbing onto the roof – just lean a ladder on the side of the greenhouse, climb, and blast away.