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When we are too hot, we do not feel comfortable. We start sweating, get thirsty, stressed and feel low on energy. This causes us to be a lot less productive. This is precisely why limiting overheating is a must in a new construction, as well as in major renovations.
Ingenium always tries to avoid the application of áctive cooling by providing alternatives that are more energy-friendly and sustainable. Summer comfort simulation is therefore standard in every project. However, there are also a number of principles that must be taken into account right from the design phase. Those starting points are based on the Quadras Energetica principle:
Limit cooling demand
Fill in the rest sustainably by using passive cooling
Take advantage of energy exchange in the event of simultaneous cooling and heat demand
Is active cooling unavoidable? Then deploy them efficiently!
Keeping these principles in mind, we can offer some general tips:
Passive measures to reduce the chance of overheating
By applying passive measures we can reduce the chance of overheating and therefore keep the final cooling demand low. Some possibilities are: - Provide glass with a sufficient solar factor - Provide exterior shading on the east, south and west building sides. Indoor shading has little to no effect. Ideally, use mobile shading controlled according to solar radiation. Another option are fixed shading elements verified based on simulations.
Fill remaining cooling demand sustainably
Provide a ventilation strategy that uses colder outside air at night to cool the building mass. This can be done through grilles or automatically opening windows, or through a ventilation system already in place. Release as much of the building mass as possible by avoiding raised floors and suspended ceilings as much as possible.
Is there simultaneous cooling and heat demand?
Ensure that an energy switch between the two is possible. For example, heat extracted from the south side of the building can be raised to a higher temperature via a heat pump and implemented in the north side.
Vul aan met actieve koeling op een duurzame manier
Als actieve koeling (en verwarming) onvermijdbaar is, zet ze dan efficiënt in. Dit kan op een duurzame manier door bijvoorbeeld gebruik te maken van een BEO-veld of Koude Warmte Opslag.
Some observations here are that there is a tension between the provision of passive measures (shading) and daylighting. The necessary comfort and daylight simulations can help find a good balance here. In addition, comfort and thus overheating is strongly person-related. When users can intervene in their comfort (e.g., by opening a window), higher temperatures are perceived as acceptable.
Do you have more questions so you can keep your cool this summer too? Then contact our expert Raf De Herdt at raf.deherdt@ingenium.be
Vlaanderen besliste dat vanaf 2026 enkel nog fossielvrije bedrijfswagens – volledig elektrisch of op waterstof – fiscaal aftrekbaar zullen zijn. Een leasewagen op diesel of benzine zal voor 0% aftrekbaar zijn. Daarnaast moeten gebouwen die niet voor bewoning bestemd zijn en een minimaal aantal parkeerplaatsen hebben, tegen 2025 of bij nieuwbouw of ingrijpende renovatie zelfs onmiddellijk laadpalen voor elektrische voertuigen voorzien.
In today's rapidly changing world, managing real estate is more challenging than ever. The industry is evolving at an unprecedented pace, confronting unique obstacles and changes that require our full attention and adaptability.
The decision to make a building intelligent is best made as early as the concept phase of a construction or renovation project. Yet technology can also be integrated incrementally afterwards. While this approach requires an accurate inventory of the possibilities, followed by a conscious choice of focal themes.
