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Sustainability and Life Cycle Costing of Air Filtration

Sustainability and Life Cycle Costing of Air Filtration. Sustainability. “Looking beyond initial cost factors towards the total cost throughout life of operation” Benefits to the Facility: Lower energy use Lessen impact on the environment Lower use of resources – raw materials and human

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Sustainability and Life Cycle Costing of Air Filtration

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  1. Sustainability and Life Cycle Costing of Air Filtration

  2. Sustainability “Looking beyond initial cost factors towards the total cost throughout life of operation” Benefits to the Facility: • Lower energy use • Lessen impact on the environment • Lower use of resources – raw materials and human • Increases Productivity and Improves Environment Impacting Health and Productivity of Building Occupants

  3. Filter System Cost Comparison

  4. 0.5% 18.5% 81% Carlsson, Thomas; “Indoor Air Filtration: Why Use Polymer Based Filter Media”, Filtration+Separation, Volume 38 #2, March 2001, pp 30-32. Life Cycle Costing Components

  5. Energy Consumption (kWh) Q x ΔP x t = η x 1000 Energy Costs Energy required to overcome filter system resistance Q = Air Flow (m3/sec) t = Time in Operation (hrs) ΔP = Avg. Pressure Loss (Pa)η = Fan/Motor/ Drive Efficiency

  6. Final ΔP Initial ΔP Theoretical Press Drop of Filter DP Time

  7. Actual Filter Loading Curve-Versus Linear Curve Used in Formula

  8. Energy Consumption Rate Increase

  9. Energy Conservation for Sustainability via Filter Selection

  10. Further input-shipping storage

  11. Further Input-Labor & Disposal

  12. Results-Energy Consumption Differences

  13. Results-Total LCC Comparison Overall Cost is Reduced with Life Cycle Costing Cleaner Equipment and Indoor Environment with Higher MERV Filter Savings in Shipping, Storage, Labor, and Disposal Costs

  14. Summary • Sustainability is a combination of savings of many items & many efforts • Air filters can be part of your overall sustainability directive • Using life cycle costing is Green - Conserving energy, resources and the environment • Less Ventilation? • Life Cycle Costing gets the highest efficiency filter for $$

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