483760 Edition II II | Page 111

Cook Every time an exhaust fan removes air from your home an equal volume of air must enter, this is called makeup air. Homes today are built to tighter standards resisting infiltration from outside air. With little to no leakage in the building envelope, where does a powerful range hood get its makeup air? If the home does not have enough random air leaks around the windows and doors, the makeup air is often pulled backwards from the chimney or water heater flue, this is called backdrafting. Since flue gasses from some combustion appliance can include carbon monoxide, backdrafting is dangerous and in some cases can be life threatening. The Fantech Makeup Air System relieves this problem by introducing positive pressure, balanced makeup air direct from the outside. The system can be tailored to your requirements and interlocked with your range hood to supply the same volume of air as that exhausted from the range hood, to achieve "balanced ventilation". Your range hood fan efficiency and the capture and containment of cooking odors is dependent on the makeup air! Most building codes now require makeup air for kitchen range hood fans that exhaust over 400 cfm. However, it’s not only large range hood fans that depressurize the home, large open fireplaces, large bathroom fans, clothes dryers and power vented appliances all contribute to the depressurization of the home, the Fantech Makeup Air System can be used to balance the exhaust air from these appliances. The Fantech system can be tailored to meet your requirements, based on ventilation demand and geographical area. Makeup Air Fans Components Supply fans provide nesessary filtered and conditioned makeup air to the home equal to the amount of air being exhausted. Components of the makeup air system handle the outside air when required and don't allow any air to leak when not in use. NEW FG EC Centrifugal Fan page XXX FG Centrifugal Fan page XXX | 112 FKD Mixed-flow Fan page XXX NEW EM-WX Electrical Heater page XXX ADC Shut-off Damper page XXX NEW Exhaust Fans FML Intake Hood page XXX Interlocked and sized to match CFM fans exhaust the amount of the air being supplied. RE (C) Roof/Wall Mount Fan page XXX FG / FG EC Centrifugal Fan page XXX FG Centrifugal Fan page XXX FKD Mixed-flow Fan page XXX WHV Whole House Ventilator page XXX FGR Filter Cassette page XXX FC Fast Clamp page XXX LD Silencer page XXX fantech