Honeywell ER150 Manuel D’Utilisation

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69-1188—03

We take it for granted that our homes will protect us from the elements, but because of 

tighter, energy efficient home construction, our indoor environment may be exposing 

us to unacceptable levels of the very things we are trying to escape. Excessive heat, 

dryness, humidity, toxic gases and dust contaminants can be sealed in securely by 

weatherproofing.

Unlike what the outdoors brings us, you can have control of indoor conditions. 

Temperature, humidity levels and air quality can all affect physical health, mental 

attitude, general comfort and energy savings. With today’s technological advances, 

you can achieve a “Perfect Climate” indoors.

The Honeywell Perfect Window™ Fresh Air Ventilation System removes stale, 

unhealthy air and replaces it with a stream of fresh air. Its powerful centrifugal blowers 

bring fresh air into your home and at the same time, exhaust stale air in an equal 

amount. Both incoming and outgoing airstreams pass through either a heat transfer core 

or an energy transfer core where the heat only or the heat and the moisture from the 

exhaust air are efficiently transferred to the incoming fresh air. An air duct system 

supplies the fresh air brought in by the Perfect Window™ ventilator and distributes it 

throughout your home. Another duct draws the existing stale, air back to the Perfect 

Window™ ventilator and then exhausts it outdoors.

™

Inside the casing are two fans, one for exhaust and one for fresh air supply. The 

electric motor that operates the fan is 1/15 hp to 1/20 hp (depending on the ven-

tilator model) and uses the same amount of power as a 100 watt light bulb.

There are two permanent washable air filters in your ventilator. The filters lower 

the amount of dust and outside particulates entering the ventilator core and your 

fresh air supply.

69-1188_A.fm  Page 3  Wednesday, January 27, 2010  7:25 AM