How To Keep Cool At Home This Spring & Summer

Unless a conservatory or glass extension is properly ventilated during the warmer months of the year you can expect its interior to become sweltering hot and near unbearable to enjoy. It also needs to be suitably warm during the winter or else what’s the point of owning one? So that a conservatory can be utilised at any time of the year it needs to be properly ventilated which necessitates the incorporation of opening roof vents and top hung opening side vents, preferably in the initial design rather than retro fitted.

The specifying of Low E Argon filled sealed units with warm edge spacers and softcoat glass for all double glazed windows, doors and roofs safeguards the thermal efficiency of a conservatory or orangery in winter, whilst double glazing with a reflective coating or tint will preventing any overheating in summer.

The subject of ventilation also crops up within building regulations and there are two different forms of ventilation that must be adhered to according to the guidelines set out:

1) Background Ventilation

Once condensation and mould sets in it can have a hugely detrimental effect something that background ventilation is designed to prevent and should be accounted for in any replacement windows fitted if included in the previous window offering. Mechanical ventilation or high level air bricks are also accepted forms of ventilation so long as they are fitted at least 1.7 metres above the finished floor level to sidestep draughts.

To put it in simple terms, when replacing existing windows and/or doors it is essential that ventilation levels at a minimum remain at the same standard.

2) Purge Ventilation

Purge ventilation serves several different purposes including improving thermal comfort, cutting overheating and removing high levels of pollutants and water vapours.

For hinged or pivot windows that open 30 degrees or more, or for sliding sash windows, the area of the opening should be at least one twentieth of the floor area of the room. For hinged or pivot windows that open less than 30 degrees, the area of the opening should be at least one tenth of the floor area of the room.

For any further information on ventilation give Hazlemere a call or visit one of our showrooms.

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