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Flow 800

Forced ventilation system with air filtration and heat recovery for environments such as classrooms, offices, laboratories and small public spaces.

VMC a parete Helty
Helty Flow 800 prodotto
Helty Flow 800 configurazione prodotto silent
VMC Community armadio Helty Flow M800 - disegno tecnico
Helty Flow 800 prodotto
Helty Flow 800 configurazione prodotto silent
VMC Community armadio Helty Flow M800 - disegno tecnico

Decentralised ventilation ideal for school, offices and large spaces

High-performing and discreet, the Helty Flow800 HRV system introduces a refreshed design while expanding the Community family with new versions. These enhancements best cater to the needs of designers and clients; engineered to ensure optimal air exchange in individual, spacious rooms, Flow800 offers adjustable air flow rates ranging from 300 to 800 m3 per hour. This versatility makes it a perfect solution for ventilating classrooms and community environments.

Ventilazione - Portata aria 800 m3/h maximum air flow
Filtrazione aria G3 + F9 air intake filtration
Silenziosa 21.5 dB(A) sound pressure
Recupero calore 80% heat recovery efficiency

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The new Helty Flow800 represents the ideal decentralized HRV for ventilating larger spaces such as schools, nurseries, and workplaces with prolonged occupancy. In these settings, a continuous supply of fresh and filtered outdoor air is essential for enhancing indoor environmental conditions.

HRV for schools with no need for ductwork design

Added to the HRV unit itself, which is designed for ceiling-mounted installations, the Flow800 range introduces new variations: Flow800 Steel, integrating the HRV into a white-painted steel cover for visible installations, suitable for both ceiling and wall placement; Flow800 Silent, completed with a white wooden cover for ceiling installations that minimized aesthetic and acoustic impact of the HRV; FlowM800, where the ventilation unit is completely concealed, blending into a white cabinet that seamlessly integrates into spaces, offering easy access for inspections and filter changes.

Helty Flow 800 configurazione prodotto silent
Helty Flow M 800 armadio silent

Cabinet-style HRV simplifying design and management

The option to house the heat recovery mechanical ventilation unit within a cabinet makes the Helty FlowM800 a practical and versatile choice for upgrading classrooms, nurseries, and offices. The machine requires no complex ductwork design and can be installed quickly with two 250 mm cores in the perimeter masonry. FlowM800 is also available with air duct outlets on either the right or left side, offering maximum design flexibility in system integration and simplified maintenance through filters accessible by a side inspection door.

Air exchange and sanitization for assured indoor well-being

Flow800 stands for high air exchange rates without compromising aesthetics and acoustics. Air flow rates can be adjusted in six settings, from 300 m3/h (night mode) to 800 m3/h (maximum speed in hyper-ventilation mode), using the intuitive Helty control panel. The dual G3+F9 filters capture 90% of PM10 and 80% of PM2.5 particles, delivering purified and oxygenated air indoors while preventing smog and pollen from entering. Opting for versions equipped with bipolar ion sanitization devices further reduces the risks of airborne distribution of microbial, bacterial, and viral contaminants, leading to energy savings.

VMC Helty Flow 800 aria sana e aule sicure
flow M800 armadio ambientata

Silence, efficiency, and energy savings

Thanks to the enthalpy heat exchanger, the Helty Flow800 HRV unit ensures an 80% thermal exchange efficiency, exchanging air without compromising the building’s energy performance. The minimum sound pressure of 21.5 dB (in Silent configuration) and the option to choose the Pure version, featuring a hygrometric sensor, CO2, and VOC sensors, transform Flow800 into a discreet and intelligent HRV system capable of autonomously regulating air exchange, ensuring maximum comfort in every environment.


Technical data

CharacteristicsU.M.Value
Airflow m3/h 300/350/500/600/700/800
Airflow adjustment   night + 4 stages + hypervent.
Power consumption (1) W 22/26/46/61/90/138
Supply voltage V AC 230
Max. current consumption (2) A 0,7
HRV unit weight kg 75
Unit dimensions (H x L x P) mm 1394 x 392 x 1020
Heat exchanger   enthalpy cross-flow
Heat recovery efficiency % 80
Sound pressure level dB(A) 28.6/31.3/40/42/44.5/49.5
Filters   G3+F9 / G3
Energy class   A+ / A+ / E
SEC kWh/m2a -77.1 / -41.3 / -18.1
Filter replacement alert   Bright on panel + WebApp
1. excluding UV lamp2. With 230 V AC supply voltage
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Frequently asked questions

Mechanical ventilation allows for a continuous and sufficient replacement of the air volumes in enclosed spaces through stale air extraction and fresh air intake. This helps to reduce the presence of viral bioaerosols that might otherwise remain suspended in the air and spread by air.

Replacing indoor air with fresh air from outdoors that is continuously filtered and cleaned eliminates the problems associated with stale air, prevents the onset of mould and reduces the risk of exposure to dangerous indoor pollutants.

Natural ventilation through manual window opening is impractical, difficult to manage and energy-consuming. A mechanical ventilation system allows you to fully automate stale air removal and fresh air intake, delivering continuous indoor air purification and greater energy efficiency.

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