Insufficient combustion air causes:
Flue gas spillage, flame roll-outs, decreased
efficiencies, and reduced heating equipment life.
Conventional metal louvers
often are a major cause of
these problems:
Unregulated outdoor air supply
that changes with temperatures,
speed and direction of winds.
Architecturally unsightly large
outside wall openings that often
require structural reinforcement.
Mechanical room freeze ups in
northern climates.
Often not compatible with below grade or
interior mechanical rooms.
Tjernlund In-Forcer combustion air intakes
are packaged systems engineered to provide
controlled, interlocked combustion air.
Wall or roof opening size can be reduced by up
to 80% compared to conventional metal louvers.
In-Forcers include
matching, low profile
intake hoods that can
be mounted on either
a roof or sidewall.
Use small diameter
duct to deliver out-
door air up to 100 feet
away from intake hood.
Complies with Mechanical
Code requirements for combustion air supply.
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