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Common Energy Conservation Measures (ECM's) <br />This is a relatively low-cost measure that integrates technology in <br />Motion I Occupancy <br />which lighting is activated only when an occupant is present. <br />Sensors <br />$350 -$2,000 <br />3.1- 6.6 yrs <br />o o <br />15 /0 32 /o <br />Offices, Libraries, IT buildings, Recreation Centers, Police and Fire <br />Departments, and Municipal Courts are common facilities to utilize <br />this measure. <br />This measure involves replacing the incandescent traffic signal <br />Traffic Si9nal Bulb 1 Fixture <br />$3,000 -$so,ooo <br />bulbs and fixtures with LED lights. The estimated cost range is <br />Replacement (LED) <br />per intersection <br />7.2 - 2.5 yrs <br />40% - 85°o <br />intended to reflect the cost of one intersection. These retrofts not <br />only significantly decrease consumption but also typically result in <br />lower maintenance costs due to lon er lastin forhnninnii <br />. <br />-A • A . MAI <br />NTENANCE • : <br />This low cost measure involves standard maintenance to clear the <br />Air Coil Cleaning <br />$200 <br />4.7 yrs <br />5% -15% <br />coils of debris. This measure can be integrated into routine <br />maintenance rocedures. <br />Many facilities, including those that are newly constructed, are <br />subject to human or technological errors or variations. This measure <br />Commissioning <br />$21,000 - <br />3.3 -5.6 yrs <br />18°io - 30% <br />involves a thorough checkup and tune-up of facilities to ensure that <br />S340,000 <br />the building and facility systems operate at optimal levels. City <br />Halls, Detention Centers, Court Houses and Conference Centers <br />are common facilities to utilize this measure. <br />This measure involves taking a'big picture' look at your facilities <br />and the design standards and specifications used, and provides <br />Retro • commissioning <br />Varies <br />nla <br />5%-15% <br />alternatives and recommendations to design standards and <br />specifications and building codes, and helps to identify inherent <br />flaws in these areas. <br />PUMPS AND • O- <br />High Efficiency Motors <br />$2,000 - $4,500 <br />10 -12.5 yrs <br />a°io - 1o°io <br />This measure typically involves upgrading HVAC fan motors and <br />Pum motors with Hi h efficienc models. <br />Variable Frequency Drives (VFD) is a technology that applies to <br />Variable Frequency Drive <br />many areas inciuding various types of pumps, motors and drives. <br />(VFD) Motor Applications <br />$5,000 -$12,000 <br />8.3 -12.5 rs <br />y <br />8% -12% <br />Although these improvements can be costly, they can provide <br />significant savings for entities involved with pumps and HVAC Air <br />Handlers. <br />Variable Frequency Drive <br />$17,500 - <br />This measure typically involves integrating VFD technology or <br />(VFD) Pump Applications <br />$43,000 <br />70-20.3 yrs <br />7%- 25% <br />Premium Efficiency Pumps into water / wastewater, pumping / <br />rocessin and well operations. <br />ATER USE and D <br />• <br />Although this measure has an approximate R01 of 9 years, it helps <br />Low Flow Plumbing <br />the entity to conserve both electricity and water through more <br />Fixtures <br />$500 -$10,00o <br />9.7 yrs <br />10% <br />efficient plumbing fixtures. The 10% estimate does not include <br />water savings and associated savings from pumping / processing <br />the water. <br />Wate~ Heater Timers 1 Time <br />This measure allows the user to determine times which the water <br />ciock <br />$170 <br />5.6 -11 rs <br />y <br />1% - 3% <br />heater does not need to operate, and can be used with Energy <br />Efficient, Tankless and Roof-Mounted solar water heaters. <br />WATER TREATMENT <br />. PROCESSING <br />Although this measure is relatively costly compared to other <br />Waste Water Treatment <br />000 - <br />$125 <br />measures, it can result in substantial energy and monetary savings, <br />Ptant Bubble Diffusers 1 <br />, <br />$250 <br />o0o <br />3.3 • 4 yrs <br />25% - 30% <br />with an a roximate R01 of 3 to 4 ears. Common a IIC8ti0f1S <br />Aerators <br />, <br />include upgrades or enhancements to waste-heat recovery and <br />di ester as s stems. <br />Many water treatment facilities require a certain concentration of <br />oxygen in order to proceed with processing. This measure allows <br />Dissolved Oxygen Sensor <br />$5,000 - g10 <br />000 <br />1 - 4.5 yrs <br />20°o - ao°io <br />automatic detection of oxygen levels which, when used with <br />(instaiq <br />, <br />variable speed motors, can greatly increase efficiency by <br />modulating the motors to operation levels needed to complete the <br />rocessin . <br />