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Weatherization 201: Weatherization Works!. Updated September 23, 2008. Weatherization Mission. To reduce energy costs for low-income families, particularly for the elderly, people with disabilities, and children, while ensuring their health and safety. Weatherization Program.

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Weatherization 201:Weatherization Works!

Updated September 23, 2008

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Weatherization Mission

To reduce energy costs for low-income families, particularly for the elderly, people with disabilities, and children, while ensuring their health and safety.

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Weatherization Program

  • The Weatherization Assistance Program reduces energy costs for low-income households by increasing the energy efficiency of their homes, while ensuring their health and safety

  • Operates in every state, District of Columbia, among Native American tribes, and anticipates service to being in U.S. Territories in PY 2009.

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Why Weatherization

  • Low-income households typically spend 17% of their total income in energy vs. 4% for other households

  • Low-income families often choose between heat and other necessities

  • Reduces energy costs all year round

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The Team Approach

50 State Energy Offices,

The District of Columbia,

And Native American

Tribal Organizations

Department of Energy

Headquarters and Project

Management Center

Over 900 Local




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Program Funding

  • DOE provides core program funding to states

  • States can use LIHEAP funds from HHS, leverage funding from utilities and others

  • States contract with local agencies to deliver services to single-family, multi-family, mobile homes

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Current Eligible

6.2 million


Clients Served



Weatherization Services

  • More than 100,00 homes weatherized annually.

  • 5 millionth home weatherized in 2001.

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Weatherization Impact

  • $413* average first year energy savings

  • Improves energy affordability, making housing more affordable

  • Reduces cases of homelessness, frequent forced mobility, and demand for public assistance

  • Weatherization returns $1.65 in energy related benefits for every $1 invested

* Calculated February 2008 based on 20-year EIA annual price projections discounted to present value.

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Weatherization Impact

  • Reduces the export of local energy dollars and keeps more money in the community

  • Decreases electricity generation and resulting pollution; thus improving local air quality reducing adverse health effects

  • Avoids residential and power-plant emissions of carbon dioxide, a leading greenhouse gas

  • Supports more than 8,000 direct jobs nationwide

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Weatherization Impact

  • Reduces demand for imported oil

  • Decreases national energy consumption by the equivalent of 18 million barrels of oil annually

  • Strengthens national security

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Weatherization Implementation

  • Client applies for services, eligibility determined

  • Energy audit is conducted

  • List of cost effective and health and safety measures is developed

  • Energy efficiency measures are installed

  • Client education is introduced

  • Post work inspection is conducted

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Energy Audit

  • Auditor explains process to client

  • Collects information on the home

    • Including results of diagnostic tests

  • Uses audit software or other method to estimate potential energy savings

  • Develops list of cost-effective measures

  • Identifies energy-related health and safety measures needed

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Diagnostic Tools

  • Blower door test identifies air leakage

  • Pressure Pan and Manometer - Leaky ducts can increase costs by 10-30%

  • Infrared Camera - Illustrates heat loss

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Diagnostic Tools

  • Combustion Analyzer - Tests heating system for efficiency and safety, and analyzes composition of flue gases

  • Draft Test – to test “Backdrafting” that can draw toxins into home

  • Gas Leak Detector - Identifies natural gas leaks from stoves and furnaces

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Weatherization Measures

  • Insulation

    • Attic, Wall, Floor, Duct, Pipe, and Water Heater

  • Air Sealing

    • Blower Door Testing, Caulk, and Weather-stripping

  • Heating and Cooling Modification

    • Tuning, Burner Retrofit, and Replacement

  • Electric Base Load Measures

    • Lighting, Refrigerators, Water Heaters

  • Energy-Related Health and Safety Measures

  • Incidental Repairs

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Health and Safety

  • Do no harm

  • Conduct Weatherization in a lead-safe manner

  • May check for carbon monoxide, gas leaks, moisture/mold, electrical hazards

  • Wear protective clothing, equipment

  • Client education is a critical component

    • Ensure savings

    • Prevent health hazards

    • Prolong life of measures/equipment

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Personal Results

“…My children remember waking up cold. Today they are comfortable, cozy, and warm…Thanks to the Weatherization Program you have made a difference in our lives…you probably saved our lives.”

Recipient of Weatherization services in Pennsylvania

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Weatherization Works!

  • For Families

  • For Communities

  • For the Nation