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Energy AUDITS Walk-Through and Analysis

By Maurice Baker,2014-12-28 11:07
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Energy AUDITS Walk-Through and Analysis

Energy Audits: Walk Through & Analysis

    The best way to determine exactly how to cut your energy costs is to conduct an audit of your facilities’ energy use. An energy audit will help you understand where and how energy is used and pinpoint areas for you to focus on in making energy-saving improvements. There are two types of energy audits. A Walk-Through Audit is the place to start because it deals with basic information and actions that are generally low cost or no cost. After implementing actions recommended by the Walk-Through Audit, you may want to have a computerized Analysis Audit done. An Analysis Audit identifies more comprehensive, capital-intensive energy-saving improvements.

    WALK-THROUGH AUDIT

    A Walk-Through Audit is the easiest and least expensive means of identifying and

    evaluating energy use in your school. Since people have a major affect on how energy is

    used, this audit pays particular attention to identifying habits and procedures that can be

    adopted to use energy more efficiently. Basic information about the systems in your

    building is also collected.

    There are two ready-resources for performing a Walk-Through Audit. Your operations/

    maintenance personnel can gather the data, or your local electric utility may provide this

    service. Once the audit has been completed, you will be able to identify energy-saving

    improvements.

    The expense associated with this audit generally falls under the operations and

    maintenance budget. Encouraging employees to develop energy-efficient habits can be

    accomplished by setting new procedures. Equipment-related expense is generally for

    repairing or replacing small items that are in poor working condition.

    The first step in any audit is performed at a desk pulling together energy use and cost

    information. The Energy Planning Ledger on the following page is provided to help

    lead you through what information is needed to begin the audit process. Then you are

    ready to take a walk through the facilities. Use the Walk-Through Checklist to identify

    the easy, low- to no-cost improvements you can make in your facilities. Use it as you

    walk through the building and check-off each suggestion as you consider its application

    to your situation.

ENERGY PLANNING LEDGER

    Building Statistics

    Heated Sq. Ft. _____________________________

    Cooled Sq. Ft. _____________________________

    Number of Stories:_________________________

    Building Age: _____________________________

Energy Use and Cost

    Last Year’s Current Prices Use Cost

    Electricity - Consumption kWh $ $ per kWh

     - Demand kW $ $ per kW/month

    Natural Gas units* $ $ per gallon

    Heating Oil gallons $ $ per unit

    Other units $ $ per unit

    TOTAL $

    *units may be “therms” (100,000 Btu/therm) or “ccf” (hundred cubic feet) or “mcf” (thousand cubic feet)

    Energy Source

    Electricity: ___________________________ % of total cost

    Gas: _________________________________% of total cost Hot Water Uses: ______________________________________ Predominant Type of Lighting: __________________________ Occupancy Data: ______________________________________

    Time Period: _____________________________

    Max Number of People: ___________________

    Weekdays/Saturdays/Holidays: ___________

    CHECK LIST ACTION LIST OBSERVATION OPERATION

    Check building __ Monitor outside air use. temperature and __ Avoid heating and cooling at the same time. humidity levels. __ Use modular, localized heating/cooling units where possible.

     __ Control system by time-of-use when possible.

     __ Use ceiling fans to increase comfort.

     __ Shut off chiller during winter if possible.

     MAINTENANCE

    Check ductwork __ Seal ductwork leaks. and airflow. __ Clean filters and allow free air-flow to grills.

     __ Seal unused building openings.

    Check condition of __ Install vinyl curtains in loading areas. windows and doors. __ Weather-strip doors and windows, caulk cracks.

     __ Insulate: doors, pipes, ductwork. __ Cover and lock thermostats and ventilation controls to prevent unauthorized adjustments.

    __ Clean boilers, chillers and condenser coils Check refrigerant

    levels. regularly, straighten fans.

     PROCEDURES

    __ Do not heat/cool in low traffic areas, hallways or Check thermostat

     readings. unoccupied areas.

    __ Adjust building temperature by season: lower in winter /

     higher in summer. __ Advise occupants to dress appropriately for seasonally maintained building temperature.

     Check availability __ Utilize available passive solar heat during cooler months by of passive solar. opening blinds and drapes.

    __ Close doors to outside and unheated or uncooled areas.

    __ Use ventilation only when required.

    __ Establish routine maintenance procedures.

    CHECK LIST ACTION LIST OBSERVATION OPERATION

    __ Use automated lighting controls. Check when lights are Photocells being used. All-night outdoor lighting

     Timers

     Parking lots Restricted-access areas

     Motion sensors

     Low-traffic areas

     Dimmers Auditoriums

     Meeting rooms

    Check lighting __ De-energize fixtures/ballasts not in use. levels. __ Reduce lighting to minimum acceptable level forlevels.

     safety/security.

     Parking areas

     Storage areas

     Corridors

     MAINTENANCE

    Check cleanliness and __ Clean lamps for maximum illumination. condition of lamps and __ Repair broken fixtures.

    fixtures. __ Replace non-working lamps/bulbs.

    __ Install lowest acceptable wattage bulb. __ Install energy-efficient ballasts.

    Check accessibility of __ Add reflectors to existing lighting.

    switches __ Label panels and switches so lighting can be monitored

     and controls can be accessed.

     PROCEDURES

    Check how lights __ Turn off lights not being used..

 &nbs