Veranda: comfort in all seasons
The icy veranda in winter and stifling in fine weather, it's over. We can now stay happily regardless of the outside temperature. Provided you make the right choices from the design stage.
The verandas of old were open to all drafts! Today considered as full extensions, they must be as pleasant as the main house. Summer, like winter, thermal comfort has become a priority, and can now be used regardless of the structural material used (aluminum thermal break, wood, mixed wood-aluminum or steel). Simply ask the right questions upstream and ensure a careful implementationentrusted to a trusted professional.
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If possible, give preference to south, south-east and southwest directions. In mild weather conditions, the sun can then enter long hours during the bad weather - additional free heating means comfort and energy savings. In cold regions, a southern location is therefore recommended, while south of the Loire, a veranda "full east" will be ideal, since it will benefit from the sun in the morning and the shade in the afternoon. Oriented to the west, the sun will instead be very present in the afternoon; to the north, it will receive little direct sun and it will often be cool.
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Backed by the house, this aluminum veranda takes all the aesthetic codes of the traditional winter garden in steel ... Leconfort and more! Vérancial
Is there heating?
It all depends on the area where you live, but also the orientation of the porch, its surface and the use you make of it. Heating is not always necessary, especially if it is oriented south and designed bioclimatic way. It must be separated from the rest of the house by a large glass door (sliding, for example), which is left open all day. In winter and mid-season, solar radiation will heat not only the porch but also the rest of the house. In the evening, when the outside air is refreshing, we close everything to preserve the heat: glass door but also shutters or blinds. If it opens on the house without any separation, it will provide a heating system. Choose quiet and energy-efficient transmitters (baseboard heaters, even wood stove) or floor heating, soft and pleasant.
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The Wallis veranda extends here both the living room and the kitchen, illuminating each of the two spaces. Fillonneau Vérandas / Profls Systems
Fillonneau Vérandas / Profls Systems
Is double glazing enough?
Yes, unless you experience severe winters and be exposed to the north, in which case you will have to resort to triple glazing. Opt for double glazing reinforced thermal insulation, which keeps the heat inside the room, avoids the phenomenon of cold wall and reduces condensation. If you live in the South and fear overheating, you can equip your south-facing facades and your roof with solar control glazing. Highly insulating in winter, it reduces heat on sunny days. The glass, clear, is coated with a thin metallic layer that reflects the sun's rays to the outside. Note: this type of glazing slightly decreases the brightness (72% average transmission, compared to 78% for conventional glazing). By softening the light intensity, it also reduces glare.
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This faceted sliding model is made of mixed material: the interior is in white spruce, the exterior is in satin gray aluminum. MC France
Full or glazed roof?
A fully glazed roof offers maximum light and a feeling of "inside-out" very pleasant. But, in summer, without adequate sunscreen, it can be uncomfortable during the hottest hours: it is the greenhouse effect. As a result, the trend is for mixed roofs, combining opaque insulation panels (called "sandwich panels") with glass panels, positioned to evenly distribute the lighting in the room. A good compromise between light and thermal comfort.
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Opened by large sliding windows, this veranda is sheltered by a roof with reinforced insulation, which also protects the pool. Eden + model, Sapa
You fall for them new rectangular verandas, looking contemporary? Their roof, flat and opaque, consists of an aluminum structure, wood or steel tray with reinforced insulation. Think about it integrate one or more glazed domes. These offer extra light to the veranda but also to the adjoining room. You can choose a rectangular opening along the entire length of the roof, like a skylight, or prefer a more discreet dome, even if you install more than one. Here again, it's all about dosing between light and insulation.
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In this flat-roofed extension, the glazed dome is equipped with a Zenit remote-controlled blind, which slides on thermolacquered rails in the colors of the joinery. Refex'Sol
Blinds or shutters?
Unless it is exposed to the north, a veranda requires solar protection. The shutters Remote controlled, discreetly installed on the front and on the roof, offer good protection against cold and heat thanks to the air mattress created between the shutter and the window. They are, moreover, burglar-proof. But their opacity is not very pleasant to live in the middle of the afternoon ... A lighter but equally effective solution, installed outside, the aluminum sunshade has motorized blades that incline according to the 'sunshine. We can play with shadow and light. Another good option: interior blinds whose colors and patterns bring a decorative touch to the room. Those of the brand Reflex'Sol are the most effective thanks to their metallized side which returns the solar rays to the outside. Made to measure, they are installed everywhere. Under the roof, they slide horizontally through a launcher or remote control.
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In the Luberon, a double aluminum extension has created an additional living room of 25 m2. Motorized sunshade and rolling shutter on the roof provide comfort. Technal
How to properly ventilate?
When designing your porch, think about sliding or sliding windows to facilitate ventilation of the room in summer. For good ventilation even in winter, do not forget the VMC (controlled mechanical ventilation). This helps to fight against the risk of condensation (fogging) and to avoid the sensation of cold due to humidity. The extractors are positioned at the highest point of the roof to evacuate the stale air. The air intakes, they are installed at the bottom of the vertical walls.
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With its two-sided roof and large sliding bay, this extension creates a pleasant transition between the living room and the terrace. Eleganz model. Curtain conservatory