1.air exchange system 2.No.1 brand in North America. 3.Easy Install and low noise.

Only sell to the Asia-Pacific region & Middle East. For North America & Europe market, please contact our head office in the USA by http://www.broan.com/

Model	Voltage(V/Hz)	Power Consumption(W)		Sound (dB)		Type of Recovery	Intake Air
		Hi	Lo	Hi	Lo		Hi	Lo
Duo 1.4	220/50	138	90	26	21	ERV	260	200
Duo 1.9		225	183	41	35	ERV	350	260

VENMAR DUO 1.4 Indoor Air Quality