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NEW - humidity sensitive and acoustic technical data (PDF file)

Stylish design, with a maximum of functions

The new stylish design of the EHA2 enables a perfect integration on most of the windows or rolling shutter casings. Its high efficiency acoustic foams enable an acoustic attenuation of up to 42 dB when mounted with its special base and canopy. An optionnal device enables to manually close or open the air inlet if needed, completing favourably the humidity sensitive function available on the EHA2.

Humidity sensitive : modulates the airflow according to the indoor relative humidity rate.Acoustic attenuation : up to Dn,e,w = 42 dB with accessories.Easy maintenance : no adjustment, simple yearly-dusting.Closing and opening device in option.Oblique air jet for the comfort of the occupant.Easy-to-paint single part front cover to adapt to window colours.Slim thickness to ease the adaptation on window profiles.Reinforced body thermal insulation.Easy to install (3 screws for the base then clip the inlet).No visible screws.

An efficient protection against the external noise

Installed on its acoustic base and with acoustic external canopy (A-EHA AM), EHA2 air inlet offers great acoustic attenuation (up to Dn,e,w ( C ) = 42 dB at maximum opening),which makes it one of the best products available on the market with such a cross section (3925 mm2). *EHA2 with standard canopy: Dn,e,w ( C )= 37 dB

An optional opening and closing device

This specific device is available on versions '5-35' (humidity sensitive) and '35' (without humidity control); it enables the occupant to choose a working among 3 modes: minimum, automatic (humidity sensitive) or maximum airflow. The opening and closing device can be added once the product is installed.

Technical data

Air inlet		EHA2 5-35	EHA2 11-35	EHA2 17-35	EFA2 35
Standard code		EAR200	EAR202	EAR203	EAR204
Airflow
Humidity sensitive					-
Closing + opening device*			-	-
Airflow (min - max) @ 10 Pa	m3/h	5-35	11-35	17-35	35
Max. opening surface	mm2	3925	3925	3925	3925
Acoustics
Dn,e,w (C) Acoustic attenuation** @ max. opening, air inlet	dB	37	37	37	37
Dn,e,w (C) Acoustic attenuation** @ max. opening, with A-EHA + E-EHA2	dB	42	42	42	42
Accessories
Flat canopy		AP	AP	AP	AP
Acoustic canopy with insect grille		A-EHA AM	A-EHA AM	A-EHA AM	A-EHA AM
Anti-insect standard canopy		ASAM	ASAM	ASAM	ASAM
Airflow controller canopy		AC	AC	AC	AC
Acoustic reinforced base		E-EHA2	E-EHA2	E-EHA2	E-EHA2
Characteristics
Weight	g	271	271	271	250
Colours (standard code is supplied in white)		white, brown, oak, grey	white, brown, oak, grey	white, brown, oak, grey	white, brown, oak, grey
Material		PS, ABS	PS, ABS	PS, ABS	PS, ABS
Installation
Slot (recommended)	mm	2x(172x12)	2x(172x12)	2x(172x12)	2x(172x12)
Fixing on window
Fixing on rolling shutter casing
Bedroom destination
Livingroom destination
* The device can be add as accessory on EHA2 5-35 and EFA2 35 versions (complete external body + button + cam).
** with AP, ASAM or AC canopies.
Standard Available