Camfil Farr presentation from the Facilities Show at the NEC 11th-13th May. Low Energy Air Filters, Air filter and energy conservation

1. Air Filters and Energy
Conservation
Low Energy Air Filters
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2. “How ISO contributes to a sustainable world – 2008”
Recent studies performed in Denmark by G. Bekö(1) The
study showed that the overall economic and social benefits of
using particle air filtration are several times larger than the
associated running costs.
1. Gabriel Bekö, Geo Clausen, Charles J. Weschler, “Is use of particle air filtration justified? Cost and benefits of filtration with regard to health
effects, building cleaning and occupant productivity”, published in Building Environment 43 (2008) 1647-1657. 2

3. Production Facility ●
Filters and Sales Office ●
energy conservation Agent ●
Head Office ●
2009 global sales £400 million
22 Production Plants, 4 R&D Centres
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3300 employees

4. The energy cost of ventilation (simplified)
Cooling coil Heating coil Molecular-filter
Pre-filter Secondary-filter
Damper
OUTSIDE INSIDE
Inlet duct Distribution duct
Air supply
FAN
Noise Room
MOTOR attenuation distribution
Air intake
grille
Air Handling Unit
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5. The cost of ventilation
• The energy requirement for
ventilation is expensive.
• Filters account for approx. 30%
30% of total system
of the total energy cost of the pressure loss
system. (C.I.B.S.E. data)
• Filters are the most
inexpensive part of the
system to improve.
• Without Capital
Expenditure
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6. Choosing the right filter saves energy
•Actual design of the filter
that has the main impact
•Full utilisation of the media
resulting in extended life and
low energy cost.
•Must have lowest average
pressure drop
•Minimum air filter efficiency to
European standard EN779:2002
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7. Budget Holder
Major Budgets
Materials
Labour
Freight
Energy Decision Structure
Property Owners and
management companies
Building manager
FM Company
Hard Soft SHE
Utilities
Services Services Sustainability
Operations Labour Energy
manager provision manager
Filters
Operations Energy manager
supervisor
Plant Engineer
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10 20 30 40

8. Summary of savings from a typical
to Low Energy Air Filters
5 YEARS – 10 m3/s
Low Energy
Element Typical Saving Per Year
Air Filters
Filters 3240 3140 100 20
Labour 6000 2800 3200 640
Energy 25450 17960 7490 1500
Waste 1500 700 800 160
TOTAL 36190 24600 11590 2320
MLE
16.8% 58.2%
F5 F7
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9. Summary of savings from a typical
to Low Energy Air Filters
1 YEAR – 10 m3/s
Low Energy
Element Typical Saving
Air Filters
Filters 648 628 20
Labour 1200 560 640
Energy 5090 3590 1500
Waste 300 140 160
TOTAL 7238 4918 2320
MLE
16.8% 58.2%
F5 F7
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10. Typical HVAC Return on Investment (ROI)
Annual Savings – for a 10 m3/s system
Element % Kw/hr £ Revenue or capital Payback
Upgrade filters 22% 6000 600 Revenue < 3 months
Clean coils 10% 2500 250 Revenue < 6 months
Upgrade fans 35% 60000 6000 Capital > 24 months
Upgrade chillers 40% 136000 13600 Capital > 36 months
Table is prioritised by ROI payback period
Data source – EECO2 Energy Efficiency Consultants (Low Carbon Consultants)
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11. Impact of filter energy saving (2,000 ahu’s)
 2,000 AHU
Low Energy Air Filters
 Scaled to 10m3/s each (10 filters)
 2,000 x 6000 Kw/hr
= 12,000,000 Kw/hr
Savings
 2,000 x £600
= £1.2 million
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12. Impact on sustainability by using Low Energy Air Filters
• Labour to replace filters would reduce by half
• Waste disposal would reduce by half
• Supply chain environmental impact would
reduce by half
• CO2 reduced substantially
• A sustainable option
• Case studies
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13. Allied Services: -
• Supply, fit and dispose
• Total Filter Management
• Validation of Clean Rooms
• Validation of Hospital Operating Theatres
• Duct Cleaning
• FM Pre contract “Rough Cut” AHU Cost Optimisation
• FM Due diligence mobilisation of identified savings audit
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14. Energy Opportunities: -
• Optimum Air Filtration Selection
• Opportunities Assessment Surveys
• Air Handling Plant Assessment Surveys
• Legislation Compliance and Best Practice Advice
• Air Hygiene /IAQ
• Condition Monitoring of Air Handling Plant
• Filtration Fractional Efficiency Testing
• Life Cycle Cost analysis (with guarantees)
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15. Estates management & sustainability
• Major focus on costs and saving
the environment
• Our air filter solutions contribute to
– Healthy indoor air quality
– Reduced ” carbon footprint”
– Cut energy consumption
• Camfilcairing launched in 2008
1st initiative in our industry to
develop and maintain sustainable
business practices
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16. www.lowenergyairfilter.co.uk
Thank You for your
attention
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