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Ceiling fans are high-speed devices. Take the case of a fan with standard blades. Its rotation speed often exceeds 200 rpm. That’s 50 km/h at the tip of the blades! Without wishing to caricature the situation, a head-on collision with a car at 50 km/h can be a bad time to spend. To take this into account, let’s look at the safety rules that have been laid down to limit the risk of injury.
A little thermal comfort is welcome. The question of coupling air movers and air conditioning is on the agenda. Of course, there is a real physical difference between these systems. In energy terms, air mixing has little impact, whereas air conditioning has a high consumption. Let’s take a look at this combination of air conditioning and ventilation in the warm season.
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Three years later, after a lot of hard work, the results are in: 36% annual energy savings for the Annecy site, and first place in the Cube 2023 competition for offices over 5,000 m²!
The French government is focusing on improving the energy efficiency and thermal comfort of homes through MaPrimeRénov', a financial aid scheme dedicated to energy renovation work. In 2024, this incentive will undergo a number of changes to further encourage the...
It wasn’t until January 2022, with the entry into force of the 2020 environmental regulations (RE 2020), which apply to new buildings, that a new indicator was introduced: the degree-hour of discomfort or DH. With this new value, ceiling fans are included in the regulations.
The new Energy Performance Diagnostic, which comes into force on 1 July 2021, opens the door wide to summer comfort.
In this article, we will focus on this STD software from Izuba Energies to show how to get the best out of it, specifically in relation to ceiling fan and summer comfort issues.
As far back as ancient Egypt, the servants of the pharaohs tempered the heat and kept their masters comfortable by stirring the air with large fans called flabellums.
Around 500 BC, the Indians invented the first ceiling fans, originally designed with bird wings.
It wasn’t until 1882…
Some energy consultancies might be tempted to say that this is a case of squaring the circle.
Maxime Jaymond, head of the New Energie Concept & Carbone design office, has risen to the challenge, even for the most complex configurations, such as those in high noise zones (BR2 and BR3), and has contributed his simulations to this publication.
Please find attached the most frequently asked questions by professionals, classified by category. RE2020 regulatory thermal calculationCarbonSummer comfortEnergy consumptionSizingDegree-hours (DH)Data sheet for EXHALE ceiling fans in RE2020RE2020 regulatory thermal...
Building at the right price, while complying with regulations and providing occupants with the best possible thermal comfort conditions, is always a difficult exercise.
Particularly on the Mediterranean coast and inland areas (Mediterranean zones H3 and H2d respectively), the RE2020 sets very ambitious targets that are not always easy to achieve.
With hot spells sometimes starting in May and ending in September, educational establishments are increasingly confronted with thermal discomfort that degrades learning conditions. What solutions are becoming possible to improve the situation in existing buildings?
Ceiling fan layout: saving means and resources. Why is a precise fit between different air curtains so important?
Two imperatives need to be reconciled: the budgetary imperative and the thermal comfort imperative. Too few fans in a given space, and comfort becomes insufficient. Too many fans in the same space, and the budget slips…