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Leading natural and hybrid ventilation solutions manufacturer Passivent recently played its part in the creation of a specialist school located in Sunderland, providing a comprehensive range of its high-performance natural ventilation products, tailored for the SEND environment with the whole building in mind.

Passivent provided Sunningdale School with its unique thermal acoustic Aircool® window ventilators, Litevent Airstract® rooflight/ventilators and Airscoop® roof ventilation terminals which were used throughout the school in classrooms, corridors and halls.  Working closely with Sunderland City Council at the early design stage, Passivent proposed the use of a natural ventilation strategy which would not only provide effective cross ventilation in the classrooms but one which would also reduce noise pollution during operation – a critical consideration for a SEND environment.  By utilising natural ventilation, the school will also benefit from reduced energy usage without the need for mechanical fans.
Two of Passivent’s thermal acoustic window Aircool units were installed vertically in each classroom for the fresh air intake. These units allow the incoming air to be warmed via heater coils, with acoustic baffles helping to minimise the noise. The used air is then exhausted at the back of the classroom at a slightly higher level through the two standard window Aircool units installed horizontally.

A number of Litevent Airstract rooflight/ventilators were also specified and installed along the school’s corridors, with the roof lights providing a great source of natural daylight and the Airstract terminal function in this combined unit providing controllable natural ventilation. Passivent’s Litevent system reduces the need for artificial lighting thereby reducing further energy consumption.  Installed in both the dining and main hall are multiple Airscoop roof ventilation terminals which ventilate the large open spaces, providing fresh air whilst displacing any stale used air. The Airscoop has an optimised segmented design that delivers maximum airflow capacity and its patented double bank louvres provide Class A 100% rain rejection so that the building can be fully ventilated regardless of weather conditions.

To easily control the entire ventilation system, which is split into 21 zones, Passivent’s iC8000 Controller has been installed with seven panels in four different locations across the school. These will be used to modulate the natural ventilation system, monitoring carbon dioxide levels as well as internal and external temperatures to ensure an optimal learning environment at all times.  Sunningdale School is the only school of its kind in Sunderland, specialising in teaching children with severe and multiple learning difficulties aged between 2 and 11. The £13.3 million new build, which was designed with specialist therapy provisions including nine sensory rooms, opened its doors in September 2022 as part of Sunderland City Council’s £45 million programme to update schools that deliver life-changing facilities for young people.


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Balancing effective natural ventilation with reduced noise pollution poses specifiers with a challenge, but leading product manufacturer Passivent has the perfect solution in the form of its patented SoundScoop® acoustic air transfer unit.

 

Passivent’s SoundScoop offers superior natural ventilation whilst simultaneously reducing sound transfer between noisy and noise-sensitive areas thanks to its patented internal lining and ribbed design. It has been designed in association with Arup in a collaborative approach to acoustic design, natural ventilation performance and product development.

The innovative design of the SoundScoop system allows air to pass through freely whilst sound waves are reflected and absorbed by the unit’s lining. The system targets mid-frequency sounds such as speech and footfall, helping eliminate noisy distractions and providing greater privacy.

The combination of low airflow resistance with high-performing acoustic attenuation, provides greater crossflow ventilation between internal spaces of buildings, allowing more schemes to adopt a natural ventilation system without the worry of excessive noise travelling from room to room. The SoundScoop system is particularly suited for education, residential and hotel projects, as well as commercial environments that are adjacent to noisy spaces, such as cellular offices, as it can reduce speech noise levels by up to 50%.

SoundScoop has been tested for acoustic performance and complies with BB93 (Acoustic Design of Schools – a design guide), Priority Schools Output Specification for Acoustic Design, BS8233 (Sound Insulation and Noise reduction for Building Code of Practice) and Building Regulations Part F (Ventilation). The system boasts a lightweight design, with units ranging from 3kg to 18.3kg for ease of both installation and transportation, and with a variety of different sizes available, is ideally suited to a range of different applications.

 


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Models from Air Vent Technology’s extensive range of heat recovery units are ideal for schools, hospitals, hotels etc – ensuring proper ventilation and keeping heat loss during the winter to a minimum.  The new range of Infinity® low profile HRUs (HRPSL/EC) come in 10 standard sizes with airflows to 4.33 m3 /sec, combining low energy with very high efficiency.  Internal models with side access are standard, but bottom access, or stacked, as well as roof models are available.  They can be used with either EHB or LPHW heater batteries, and are pre-wired to speed controllers and isolators for straightforward electrical connection.  They are manufactured in AVT’s Andover factory to ISO9001 Standard with EC motors and are ErP Directive compliant.   AVT can design ventilation schemes from small to large, providing a total package (including installation), guaranteeing a quality ventilation solution.

Air Vent Technology Ltd – Tel: 01264 356415

Email: sales@airventtechnology.co.uk

www.airventtechnology.co.uk