1. Greenhouse Types

2. Types of Greenhouses Detached – Quonset – Gothic Frame – Even Span – A Frame Attached – Lean to – Even span

3. Quonset Made out of electrical conduit or galvanized steel pipe frame Frame is circular and usually covered with plastic sheeting

4. Quonset Advantages – Simple and efficient design – Cost effective Disadvantage – Low side walls – Less head room

6. Gothic Frame Similar to Quonset Gothic shape

7. Gothic Frame Advantages – More head room – Less construction material Disadvantage – Snow pack problems – Difficult to ventilate

9. Even Span Rafters of even lengths Clearspan with truss supports

10. Even Span Advantages – Freedom of space – Freedom of movement – Rigidity Disadvantages – Cost

12. A Frame In the shape of an A

13. A Frame Advantages – Requires less materials – Easily sheds snow Disadvantages – Head room – Ability for benches – Ability for tall plants

15. Lean-to Attached to a house or other building Uses the building for part of its support

16. Lean to Advantages – Less construction materials – Energy efficient Disadvantages – Harder to ventilate – May effect the building

18. Attached Even Span Even span that is attached to a building

19. Attached Even Span Advantages – Easier to get heating and cooling – Good for limited space Disadvantage – Shadowing

22. Greenhouse Window Specialized window placed in a house

23. Greenhouse Window Advantages – Can be used in small spaces Disadvantages – Limited growing space – Must be put on the south or east side of the house