Greenhouse Types

Types of Greenhouses

• Detached– Quonset– Gothic Frame– Even Span– A Frame

• Attached– Lean to– Even span

Quonset

• Made out of electrical conduit or galvanized steel pipe frame

• Frame is circular and usually covered with plastic sheeting

Quonset

• Advantages– Simple and efficient design– Cost effective

• Disadvantage– Low side walls– Less head room

Gothic Frame

• Similar to Quonset• Gothic shape

Gothic Frame

• Advantages– More head room– Less construction

material• Disadvantage– Snow pack problems– Difficult to ventilate

Even Span

• Rafters of even lengths • Clearspan with truss supports

Even Span

• Advantages– Freedom of space– Freedom of movement– Rigidity

• Disadvantages– Cost

A Frame

• In the shape of an A

A Frame

• Advantages– Requires less materials– Easily sheds snow

• Disadvantages– Head room– Ability for benches– Ability for tall plants

Lean-to

• Attached to a house or other building

• Uses the building for part of its support

Lean to

• Advantages– Less construction materials– Energy efficient

• Disadvantages– Harder to ventilate– May effect the building

Attached Even Span

• Even span that is attached to a building

Attached Even Span

• Advantages– Easier to get heating and cooling– Good for limited space

• Disadvantage– Shadowing

Greenhouse Window

• Specialized window placed in a house

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