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LOW AND NO COST WAYS TO SAVE ENERGY!!!

LOW AND NO COST WAYS TO SAVE ENERGY!!!. ROGER PERRY Facilities Manager Phillip Merrill Environmental Center Annapolis, MD. How can you save for no cost?. Two ways Adjust the settings Printer Sleep modes Water Temperature Vestibule / Hallway temp settings.

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LOW AND NO COST WAYS TO SAVE ENERGY!!!

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  1. LOW AND NO COST WAYS TO SAVE ENERGY!!! ROGER PERRY Facilities Manager Phillip Merrill Environmental Center Annapolis, MD

  2. How can you save for no cost? Two ways • Adjust the settings • Printer Sleep modes • Water Temperature • Vestibule / Hallway temp settings

  3. How can you save energy for no cost? 2. TURN IT OFF!!

  4. How much can turning it off save? LETS DO THE MATH! • Hours in a year? • 24*365.25 = 8766hrs./yr. • Work hours in a year? • 8*365.25-(104*8) = 2090hrs./yr.

  5. How much can turning it off save? LETS DO THE MATH! Desks are not occupied 76% of the time. And that’s not counting lunch, vacations or sick days!!!

  6. How much can turning it off save? Leaving equipment on 24/7 uses 4 times the energy of turning it on only when working.

  7. DIFFERENT STRATIGIES FOR TURNING IT OFF!! • Employee Participation • Get them to turn off everything at their desk when they leave including computers. • Reinforce energy saving habits • Post signs reminding to turn off lights when leaving a room

  8. DIFFERENT STRATIGIES FOR TURNING IT OFF!! The problem with employee participation is… You can’t count on them to do it all of the time.

  9. DIFFERENT STRATIGIES FOR TURNING IT OFF!! • Occupancy Sensors • Manual & Automatic • Timers • Computer Programs.

  10. Low Cost Energy Saving Techniques. Occupancy sensors.. Manual or Automatic?

  11. Automatic Occupancy Sensors! • Advantages • Automatic on • Automatic off • Can be set not to come on if ambient light is above setting • Good if convenient switch placement is a problem

  12. Automatic Occupancy Sensors! • Disadvantages • Can be tricky to set properly • Too sensitive-false ons • Not sensitive enough-false offs • Don’t need auto-on in most cases

  13. Manual On Occupancy Sensors • Advantages • Easy to set sensitivity-on high • Because sensitivity is set to high, time delay can be very short • Will already be off if light levels are high enough • Automatic off

  14. Manual On Occupancy Sensors • Disadvantages • Not appropriate where switch placement would be a problem • Have to turn on • Not really a problem as who forgets to turn something they need on

  15. Timers • Work well for… • Places where occ sensors won’t work • Allows set turn off times with simple, temporary override by tenants for special occasions

  16. Don’t Make Energy Saving Inconvenient! • Have coffee maker on a timer so it’s ready to go in the morning • Make sure staff understands how timers and sensors are set up • Have a parking area with occupancy sensors for staff arriving in the dark • May have to change bulbs in that area for instant on

  17. Plug LoadsA Moving Target • Controlling plug loads is biggest challenge because it needs constant monitoring • Use personal occ sensors at desks (everything except computer should be plugged into it)

  18. Plug LoadsA Moving Target • Use a “Venda-miser” on vending machines • Our coke machine had a measured draw of 106.5kwh a week which would cost $498.42 a year to run • A Venda-miser cut that to 57.8kwh a week cutting yearly costs to $270.50.

  19. Plug LoadsA Moving Target • Put coffee maker on a programmable timer • Put little used printers on a manual personal occupancy sensor • Make sure staff knows how to use sensors and timers • Keep checking to make sure sensors and timers aren’t bypassed

  20. Look For Other Ways • Lights that are on for show • Heat from the server room • Areas that are over lit • Use dimming ballasts • Compact fluorescents to replace incandesants • Turn off things that are out of season

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