Multi-Unit Residential HRV/ERV
12
Vent Hood Locations
(Manufacturer’s recommendation only. Also consult Local Building Code Requirement.)
Wall hoods (sold separately) should be located where obstructions can easily be removed.
Note: Please refer to Installation Instructions packaged with wall hoods.
Fresh Air (Intake) Wall hoods
:
•
Should be located upstream (if there are prevailing winds) from the exhaust wall hood
•
At least 6 feet (2 metres) from the exhaust wall hood
•
At least 6 feet (2 metres) from dryer vents and furnace exhaust (medium or high-
efficiency furnaces)
•
At least 6 feet (2 metres) from driveways, oil fill pipes, gas meters or garbage
containers.
•
At least 18 inches (457 mm) above the ground, or above the depth of expected
snow accumulation.
•
At least 3 feet (1 metre) from the corner of the building.
•
Do not locate in a garage, attic, or crawl space.
Exhaust Air Wall hoods:
•
At least 6 feet (2 metres) from the fresh air intake wall hood.
•
At least 18 inches (457 mm) above the ground, or above the depth of expected
snow accumulation.
•
At least 3 feet (1 metre) from the corner of the building.
•
Not near a gas meter, electric meter, or a walkway where fog or ice could create a
hazard
•
Do not locate in a garage, workshop, or other unheated space.
Dual Intake and exhaust hoods: Concentric-type or dual intake/exhaust hoods may be
used where authorized.
INTAKE
EXHAUST
6’ (2m)
recommended minimum
36” (1m)
recommended
minimum
36” (1m)
recommended
minimum
18” (460mm)
recommended minimum
18” (460mm)
recommended minimum
OUTSIDE CORNER
INSIDE CORNER
Guidelines for locating intake and exhaust wall hoods
Note: Local codes may allow less or require greater distances between exhaust and intake
wall hoods.