Keep cool

Greenhouse temperatures can rocket sky-high unless you take steps to control them. There are three methods you can use: ventilation, shading and damping down. Ventilating a greenhouse by opening and closing the windows by hand is almost a full-time job, so it makes sense to invest in an automatic vent opener to do the job for you. These can be fitted to hinged roof vents or louver vents in the walls of the greenhouse. It also worth applying shading to the greenhouse. Shading washes applied to the outside of the glass are probably the cheapest and most convenient, although internal shading fabric and external blinds are also worth considering. On hot days you can cool the atmosphere inside a greenhouse by damping down, that is by wetting surfaces such as the path and staging. When the water evaporates it absorbs energy and cools the greenhouse.

Tools required

greenhouse accessories

Skill rating

moderate

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