ArgonShort pdf - APACS from Argon Air

TM
A R G O N P E R S O N A L A I R C O N T R O L S Y S T E M
7/15/03
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RAISED FLOOR VENTILATION
GAINS FOOTING
Projects over 1 million SF
GSA standardizes on underfloor air
Developers use underfloor air to
attract tenants (fewer complaints)
Lower operating costs
Less energy consumption
- WALL STREET JOURNAL, 7/9/2003
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#1 COMPLAINT
#1
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Personal Air Terminal
Amy always stays comfortable! HOW?
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PERSONAL COMFORT
Temperature
Humidity
Infrared Heat
Physical Activity
Physiology
Clothing
Air Quality
Air Movement
Only temperature
is presently controlled
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APACS USES MOVING AIR
Controlled air
movement
compensates for
seven uncontrolled
personal comfort
factors
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PERCEIVED TEMPERATURE
Personal comfort control
by changing air speed
(less than 2 mph)
“Perceived temperature”
adjustable from 65° to 80°F
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APACS TESTED
U.C. BERKELEY
APACS TESTED AT U.C. BERKELEY
Heat removal with
local air flow instead of
temperature change
Perceived temperature
control of 15°F without
affecting others
Bauman, F., et al. 2000. Laboratory Test of the Argon
Personal Air-Conditioning System (APACS). Center for
Environmental Design Research, UC Berkeley.
Levy, H. 2002. Individual Control by Individual VAV.
Roomvent 2002, Copenhagen.
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TRADITIONAL
AIR DISTRIBUTION
Ceiling diffusers
Induced room
air flow
Unhealthy cross
contamination
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Controlled by
occupants
Eliminates
mixing in
space
Improved air
quality (IAQ)
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AIRBORNE PARTICLES/Ft 3
40,000
30,000
20,000
10,000
0
1'0" 3'7" 5'7"
Height Above Floor
Overhead Supply
Underfloor Supply
Average of readings from 3 locations
7/15/03 Source: “Evaluation of a Floor-Based A/C System Performance
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in an Office Building,”Oguro, M., Japan, 1995.

VENTILATION EFFECTIVENESS
Air Change
Effectiveness:
1.4 –2.7
Source: “Ventilation Efficiencies of a Desk-Edge-Mounted Task Ventilation System,”Faulkner, D., et al.,
Proceedings of Indoor Air 2002, Monterey, CA 2002. Study supported by US DOE.
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AIR LEAKAGE INCREASES COSTS
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LOWER COSTS
Reduced first cost
Reduced building height
Reduced installation costs
Less HVAC equipment
Reduced operating costs
Higher temperatures
Reduced fan horsepower
Reduced outside air
Reduced power consumption
Reduced relocation costs
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IMPROVED
PRODUCTIVITY
Greater comfort
Cleaner air
Reduced absenteeism
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ANNUAL OPERATING COSTS
PER SF
$30
Building &
Equip
$300
Employees
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AIR
QUALITY AND PRODUCTIVITY
1
Improved Air Quality
(2X)
Improved Productivity 1.5 –2.0%
Payroll Savings
$4.50 - $6.00/SF/Yr
1
Wargocki, P., et al., “Productivity is Affected by the Air
Quality in Offices,”Healthy Buildings 2000, August 2000.
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APACS DESIGN
ACCESS FLOOR AIR DISTRIBUTION
Little or no ductwork
AIR DELIVERY
Personal comfort control
Thermostatic space control
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ACCESS FLOOR
DOES MORE
Personal comfort control
Service power
Voice/data communications
Sprinkler piping
Plumbing
Level floor
Make reconfigurations faster & easier
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ARGON COST SAVINGS/SF
Traditional
Argon
Savings
Access floor
$7-10
$(7-10)
Electrical
$15-20
7-10
8-10)
Air distribution
6-10
3-4
3-6)
Total Savings
$4-6)
Possible additional savings
Building cubage (No distribution ductwork)
Hung ceiling
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APACS
Desk Mount
(Horizontal)
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WORKSTATION DUCT SYSTEM
- PLAN -
6.00"
SUPPLY AIR FLOW
8.00"
4.00"
30.00"
20.00"
FABRIC COVERED DISCHARGE OPENING
-- WORK SURFACE --
FURNITURE PANEL
10.00"
PERSONAL AIR TERMINAL
ARGON 040923B
(C) ARGON 2004
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FURNITURE PANEL
WORK SURFACE
1.50"
PERSONAL
AIR TERMINAL
WORKSTATION
DUCT SYSTEM
- ELEVATION -
29.00"
15.00"
8.00"
4.00"
SUPPLY AIR DUCT (3 or 4 SIDED)
FABRIC COVERED DISCHARGE OPENING
SUPPLY AIR FLOW (200 CFM)
ACCESS FLOOR
ARGON 040923A
(C) ARGON 2004
6" FLEX DUCT
FAN AIR
TERMINAL
SLAB
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Damper
Control
4-Way
Adjustable Grille
APACS
PERSONAL AIR
TERMINAL
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LEEDTM
CREDITS
INDOOR ENVIRONMENTAL QUALITY
CREDIT
Controllability of
Systems
REQUIREMENT
Individual occupant
control (1 point)
Thermal Comfort
ASHRAE 55-1992 (1 point)
Operator control over
thermal comfort (1 point)
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GREENER BUILDINGS
GREATER PROFITS
Cleaner air
More flexible
Lower cost
More productive
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For more information contact:
TM
ARGON
ARGON CORPORATION
4968 Tamiami Trail N.
Naples, FL 34103
www.argonair.com 239.430.7876
information@argonair.com Fax 239.430.7877
Patented
© 2003 ARGON
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