Flow100 recessed HRV: silent and powerful concealed ventilation system
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FLOW 100

Helty Flow100 is the wall-mounted HRV model that combines optimal ventilation efficiency and air treatment with zero visual impact.

VMC a scomparsa Helty Flow 100
Helty Flow70-100 prodotto
Helty Flow70-100 tecnico
Helty Flow70-100 prodotto
Helty Flow70-100 tecnico

The powerful and discreet concealed ventilation system

The Flow100 recessed HRV fully integrates into the brickwork and does not require the installation of air ducts or condensation drains. A professional solution designed especially for professionals operating in building renovation and energy upgrades. Ideal for single-room ventilation in residential, office and school spaces that require higher air-exchange rates.

Ventilazione - Portata aria Air exchange up to 100 m³/h per room
Polveri sottili PM2.5 fine particulate filter
Silenziosa Advanced facade noise reduction
Free cooling Automatic Free cooling with by-pass

Recommended retail price from

2.622€ +VAT

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Concealed ventilation system designed to meet all air exchange and comfort needs in medium-sized environments.

Top-class ductless ventilation

With a variable air flow rate of up to 100 m³/h and a category F7 external air filter, the Flow100 recessed HRV provides excellent levels of refreshed and purified air in individual environments requiring an higher ventilation rate.All without requiring the design or installation of ducts or the the construction of technical compartments or false ceilings: with these concealed mechanical ventilation systems the system is integrated into the house perimeter, rendering it invisible.

VMC Helty Flow 100 con zero canalizzazioni
VMC Flow 100: gestione smart e risparmio energetico

Energy-saving HRV with smart management

Decentralisation of the system with several variable flow ventilation units allows for differentiated and variable air exchange management according to the needs of the individual environment.
The “room-by-room” adjustment can be fully automated based on the humidity, CO2 and VOC values detected by the sensors fitted on the models.The cross-flow enthalpy heat recovery system ensures the Helty Flow100 provides 87% heat recovery efficiency.
The system can also provide a zero-cost contribution to the cooling or heating of environments in the cooler summer evenings and between seasons. When required, the automatic free cooling deactivates heat recovery and delivers cooler or warmer air.

Whisper-quiet ventilation, day and night

The Helty Flow100 ensures an optimal balance between forced ventilation capacity and low operating noise under all conditions.
A special night function – activated via the panel, infrared remote control or the Air Guard App – slows the fans and turns off the LED lights to ensure a minimum and imperceptible air exchange even at night or at times that require maximum concentration and absolute silence.

VMC Flow100: silenziosa con funzione notturna

Technical data

CharacteristicsU.M.Value
Airflow m3/h 25/50/70/100/110 (1)
Airflow adjustment   4 settings + high-speed ventilation
Power consumption (2) W 6.4 - 52
Supply voltage V AC 230
Operating voltage V DC 24
Max. current consumption (3) A 0.45
HRV unit weight kg 10
Unit dimensions (H x L x P) mm 186 x 920 x 340
Preparatory dimensions (H x L x P)   340 x 1277 x 523
Heat exchanger   enthalpy cross-counter flow
Heat recovery efficiency % 87
Sound pressure level (4) dB(A) 24.3/30.7/35.2/37.5
Facade noise abatement Dn,e,w dB 54
Filters   F7 / G4
Energy class   A+ / A / E
SEC kWh/m2a -72.96 / -37.33 / -14.29
Filter replacement alert   indicator on unit + App
1. In high-speed ventilation mode2. excluding UV lamp3. With 230 V AC supply voltage4. Measured on a 30 m² semi-anechoic environment at a distance of 3 m
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Spare parts and accessories

2VMC00000084

Replacement filter kit F7 / G4

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2VMC00000095

PROMO x10 Replacement Filter Kit F7 / G4

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4VMC00000129

IR remote control

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Certified quality and performance

The performance of the Helty ventilation systems are recognized by the Casa Clima Quality Seal and have obtained the SIMA and BioSafe validations

  • Logo CasaClima - KlimaHaus
  • SIMA Certification - Italian Society of Environmental Medicine
  • Biosafe.it Certification