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Groton Local

Energy Seminar #2007-3

Air Infiltration and Sealing

Jim Hubert

14-Nov-07

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Your House

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Air Infiltration Averages

Ceilings, Walls, Floors (31%)

Ducts (15%)

Fireplaces (14%)

Pipe & Wire Penetrations (13%)

Door (11%)

Windows (10%)

Fans & Vents (4%)

Electrical Boxes (2%)

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Sill Joists &

Basement Ceiling

Basement Windows

& Walls

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Boiler/Furnace

Exhaust to Chimney

Direct Vent

Boiler/Furnace

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Bulkhead Door

Outside

Bulkhead Door

to Inside

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Dropdown

Attic Stairs

Attic Stair Insulation

Shell Cover

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Soffit Vents

Soffit Channel

in Place

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Passive Attic

Ventilation

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Power Roof Vent Fan

with Thermostat

Gable Vent

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Storage Platform

in Attic

Chimney in Attic

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Knee Wall

Tub Unit

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Furnace

Trunk Line

Duct Run Down

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Duct to Unheated

Crawl Space

Duct Above Ceiling

to be Closed In

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Fire Place

UnusedChimney

Input Hole

Fire Place Damper

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Sewer Line Pipe

Exposed Pipes

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Water Well Pipe Entrance

Gas Pipe Entrance

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Electric Wire

Entrance

Pipe to Outside Sillcock

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Heating Radiator Pipe

Electric Feed Wire

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Exterior Door

Patio Door

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Windows

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Old Double-Hung

with Storm Window

Bay Window

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Walk Out Bay Window

Double-Hung

Window Sash Lock

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Dryer Vent Pipes

Dryer Vent

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Bathroom Exhaust

Fans

Fan Timer

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Range Hood

Window Air Conditioner

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Outlet on Outside Wall

Wire Feed to Outlet

in Inside Wall

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Stairway

Stairway Gate

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Thermostat

Thermostat

Placement

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Big