Outdoor Air Intake Location

Wall intakes must be located at least 10 feet from any appliance vent or any vent opening from a plumbing drainage system.

Outdoor air intake location. Likewise building ex haust systems remove air from a building and expel the contaminants to the atmosphere. Outdoor air intake openings shall be permitted to be located less than 10 feet 3048 mm horizontally from streets alleys parking lots and loading docks provided that the openings are located not less than 25 feet 7620 mm vertically above such locations. To ensure proper iaq. 5 4 outdoor air intakes.

The following rules are offered to govern location of outdoor air intakes. Air seal around the intake duct termination and seal the duct to the hrv erv or return side of the air handler with mechanical fasteners and metal tape or mastic. If it doesn t have the option to recirculate then the unit probably wont have this second filter bank. Air intake openings that terminate outdoors shall be protected with corrosion resistant screens louvers or grilles.

Utdoor air enters a building through its air intake to provide ventilation air to building occupants. If the intake or exhaust system is not well de signed contaminants from nearby out door sources e g vehicle ex. 2 figure 1 shows that outside air is usually delivered to ther mal zones as all or part of the supply air. Not all heat wheel rtu s will have this feature some only use 100 fresh air intake and extract.

Install a 0 5 in mesh screen on all air inlets to keep out rodents insects and debris except use a louvered damper rather than a mesh screen on clothes dryer vents. Openings in louvers grilles and screens shall be sized in accordance with table 401 5 and shall be protected against local weather conditions louvers that protect air intake openings in structures located in hurricane prone regions as defined in the international building. After this the air will flow through the heat exchangers which heat or cool the air to the desired temperature. Outdoor air intakes including doors and windows that are required as part of a natural ventilation sys tem shall be located such that the shortest distance from the intake to any specific potential outdoor.

We will also cover how fresh air intakes play a vital role in determining your. Outside air intake is located a minimum of 10 from combustion appliance vents. Intake must draw through an intake grille or register located on an outside wall or soffit and not the roof. This is especially impor tant in dense urban areas and other areas known to have ques tionable outdoor air quality during significant portions of the year.

We are going to discuss what a fresh air intake is and how a properly installed fresh air intake can increase your unit s efficiency performance and prolong the life of your furnace. Passing through air intake louvers. Where openings front on a street or public way the distance shall be measured from the. The following requirements for the location of the outside air intake must be met.