Air inlets

EHA²

Acoustic humidity sensitive air inlet

Stylish design, with maximum functions

The stylish design of the EHA² air inlet enables perfect integration on most windows or rolling shutter casings. With the inclusion of high efficiency acoustic foam the product reaches an acoustic attenuation of up to 42 dB when mounted with the special base and canopy. An optional device allows on demand manually closing or opening of the air inlet, complementing the humidity sensitive function available on the EHA².

Humidity sensitive system: modulates the airflow according to the local relative humidity rate.

Acoustic attenuation up to 42 dB(A) with accessories.

Optional closing and opening device.

Slim profile for easy adaptation on windows.

Easy to maintain: no adjustment, simple yearly dusting.

Oblique air jet for occupant comfort.

Oblique air jet for occupant comfort

The oblique air jet of the EHA² air inlet skims the ceiling ensuring progressive heating of fresh air for the improved comfort of the occupants. How to drill slots in the window

Efficient protection against external noise

When installed on its acoustic base and with acoustic external canopy (A-EHA), the EHA² air inlet offers great acoustic attenuation, up to 42 dB at maximum opening, which makes it one of the best products available on the market with an air cross section this size (3 600 mm²). Photos: with (up) and without (bottom) acoustic base.

Optional opening and closing device

This device is available on versions ‘5-35’ (humidity sensitive) and ‘35’ (without humidity control); it enables the occupant to choose between three modes: minimum, automatic (humidity sensitive) or maximum airflow. The device can be added after the product is installed.

Air inlet		EHA²5-35	EHA²11-35	EHA²17-35	EFA² 35
Standard code		EAR200	EAR202	EAR203	EAR309
Airflow characteristics
Humidity sensitive		■	■	■	–
Closing + opening device*		¤ (EAR201)	–	–	¤ (EAF313)
Airflow (min – max) @ 10 Pa	m³/h	5-35	11-35	17-35	35
Max. opening area	mm²	3600	3600	3600	3600
Acoustics
Dn,e,w (C ; Ctr) Acoustic attenuation @ max. opening, air inlet**	dB	37 (0 ; 0)	37 (0 ; 0)	37 (0 ; 0)	37 (0 ; 0)
Dn,e,w (C ; Ctr) Acoustic attenuation @ max. opening, with A-EHA + E-EHA^2***	dB	42 (0 ; 0)	42 (0 ; 0)	42 (0 ; 0)	42 (0 ; 0)
Accessories
Flat canopy		AP	AP	AP	AP
Acoustic canopy		A-EHA	A-EHA	A-EHA	A-EHA
Anti-insect canopy		AS	AS	AS	AS
Airflow controller canopy		AC	AC	AC	AC
Reinforced acoustic base		E-EHA²	E-EHA²	E-EHA²	E-EHA²
Characteristics
Weight	g	271	271	271	250
Colours		white, brown, oak, grey
Material (main)		PS, ABS	PS, ABS	PS, ABS	PS, ABS
Installation
Slot	mm	2 x (172 x 12)
Window installation		■	■	■	■
Rolling shutter casing installation		■	■	■	■
Destination room		bedroom / living room

■: standard ¤: optional
* The device can be added as an accessory on EAR200 and EAR204 codes (complete external body + button + cam)
** With AP, AS or AC canopies. See more combinations in the table below:

Acoustics (combinations)	Comb n.1	Comb n.2	Comb n.3	Comb n.4
EHA² air inlet, max opening = 35 m³/h @ 10 Pa	■	■	■	■
Reinforced acoustic base (E-EHA²)	–	■	–	■
Acoustic canopy with insect grille (A-EHA)	–	–	■	■
Canopies (AP, AS or AC)	■	■	–	–
Dn,e,w (C ; Ctr) Acoustic attenuation in dB	37 (0 ; 0)	39 (0 ; 0)	41 (0 ; -1)	42 (0 ; 0)