1. EVAPCO, Inc. Taking Quality and Service to a Higher Level . . .

2. - Short History of Evapco- Product Overview- Open Cooling Towers - Features & Benefits- Closed Circuit Coolers EVAPCO, Inc. 3.

Founded in 1976 - Baltimore, Maryland

• 16 Facilities in 8 Countries

• 160 Offices in 42 Countries

Employee Owned Company

• Continuous Product Development Based on Innovation and Market Drivers

EVAPCO, Inc. 4. EVAPCO WORLDWIDE World Headquarters/R&D Center Manufacturing Facilities Johannesburg,South Africa Cairo,Egypt Milan, Italy Kingsgrove,Australia Shanghai,China Madera, CA Bryan,TX Taneytown,MD Greenup, IL Sondrio, Italy Beijing,China Tongeren, Belgium Lake View, IA Ramseur, NC Lenexa, KS Lake Oswego, OR 5. EVAPCO ,Inc . World Headquarters & Research Center 6. Evaporative Condensers andClosed Circuit Coolers 7. Open Cooling Towers 8. Extra-Pak TMIce Coils for Thermal Energy Systems 9. Recirculator Packages 10. MRP Recirculator Systems

Matrix Microprocessor Control

Bypass Flow Control

Dual Double Wall Canned Pump

11. Evaporators 12. Custom Coils 13. Critical Process Air Units 14. Field-Erected Cooling Towers 15. Pulse ~Pure TM Water Treatment 16. Induced Draft Counterflow Cooling Towers A dvancedT echnology 17. Induced Draft Counterflow Hot Saturated Discharge Air Hot Water In Cold Water Out Cool Dry Entering Air (All Sides) Principle of Operation Fill Pack = Heat Transfer Media 18. Features & Benefits INDUCED DRAFTCOUNTERFLOW PRODUCTS 19. Design Advantages & Signature Features

Most Efficient Heat Transfer

Optimal Layouts & Piping Arrangement

Advanced Materials of Construction

Superior Warranty, Guarantee and Certification

Easy Maintenance

Super Low Sound Technology

AT Induced Draft Counterflow Cooling Towers 20. Optimal Fill Location Completely encased in steel Protected from direct exposure AT Induced Draft Counterflow Cooling Towers 21.

EVAPAK Counterflow Fill:

Even Temperature Gradients through Fill Cross-section

Cools precisely to design temperature

Requires Less Air

Design Advantages Most Efficient Heat Transfer 95 F Entering Water Temperature Entering Air at 78 F Wet-BulbTemperature 85 F Net Outlet Water Temperature 93 F 91 F 88 F 86 F AT Induced Draft Counterflow Cooling Towers Water Temp Isotherms Cool Air Hot Water 22.

EVAPAK Fill

• Removable, bonded block construction

• Low pressure drop

• Bottom supported

• Doubles as a working platform

Signature Feature High Efficiency Fill AT Induced Draft Counterflow Cooling Towers 23. Induced Draft Crossflow (Competitors Product) Hot Saturated Discharge Air Hot Water In Cold Water Out Cool Dry Entering Air (Two Sides) Principle of Operation Hot Water In Cool Air Hot Water 24.

Crossflow Fill:

Temperature Gradients Not Uniform Across Fill

Some Water Not Cooled to Design Temperature

Easily clogged, difficult to replace

Inefficient

Comparison Crossflow Heat Transfer95 F Entering Water Temperature 94 F 92 F 90 F 88 F 85 F 82 F 80 F Entering Air at78 F Wet-Bulb Temperature 85 F Net Outlet Water Temperature Water Temp Isotherms 25.

EVAPCO Counterflow 20,000 CFM per 100 Tons (2.1 m3 /s per 100 kw)

BRAND X Crossflow 30,000 CFM per 100 Tons (3.2 m3 /s per 100 kw)

EVAPCO Induced Draft Products . . . Less Air

Design Advantages Most Efficient Heat Transfer AT Induced Draft Counterflow Cooling Towers 26. Design Advantages Layout and Op. Weight AT Induced Draft Counterflow Cooling Towers Crossflow 35% LESS TOWER AREA Compared toEquivalent Capacity Crossflow Tower 27. Plan Area Net Free Area Crossflow More Tower Area + More Air = Larger Plan Area Design Advantages Layout AT Induced Draft Counterflow Cooling Towers Less Tower Area + Less Air = Smaller Plan Area Net Free Area Counterflow Tower 360 Air Intake End Air Intake 28.

Counterflow Fill:

Temperature Gradients 45F - 32F = 13F Safety

Optimum Fill Location

Unique Inlet Louver Design

Design Advantages Winter OperationAT Induced Draft Counterflow Cooling Towers 65 F Entering Water Temperature Entering Air at 10 F Wet-BulbTemperature 45 F Net Outlet Water Temperature 60F 55F 50F 45F Water Temp Isotherms 29.

Crossflow Fill:

Temperature Gradients 34F - 32F = Greater Probability of Ice Formation

Ice Builds on Louvers & Fill

Prevailing Wind Problem

Design Advantages Winter Operation 65 F Entering Water Temperature 64 F 60 F 55 F 50 F 45 F 40 F 34 F Entering Air at10 F Wet-Bulb Temperature 45 F Net Outlet Water Temperature Water Temp Isotherms 30. Design Advantages Winter Operation

Exposed Crossflow Fill:

Ice Formation

Ice Builds on Louvers & Fill

Prevailing Wind Problem

Recirculation Problem

31.

Air Inlet Louver Screens

• Two Pass Inlet Louver

• Basin Enclosed - Not exposed to Wind & Sun

• Angled Cross section Sight-tight design (patent pending)

Sunlight Splashout Debris Air Intake Signature Features WST Inlet Louver Design AT Induced Draft Counterflow Cooling Towers 32. Signature Feature Basin Area Access AT Induced Draft Counterflow Cooling Towers

Easily Removable Inlet Louvers for Full 360 Basin Access

Service Can Be Performed from Outside Unit

• Float Valve Adjustment

• Remove and Clean Strainers

• Clean Pan Bottom

33.

Drift Rate Less Than 0.001% of Recirculated Water Rate

Block Sunlight from shining directly in the cold water basin

Significantly Better Than Crossflow Drift Rate of 0.005%

EVAPCO High Efficiency Drift Eliminators Signature Features Most Efficient Drift Eliminators AT Induced Draft Counterflow Cooling Towers 34.

Pressurized Water Distribution

Self Balancing No Valves

Single Inlet Piping

No Hot Water Distribution Pans

Design Advantages Water Distribution System AT Induced Draft Counterflow Cooling Towers 35. Simplified Maintenance Water Distribution System AT Induced Draft Counterflow Cooling Towers

No Service Necessary from the Fan Deck

Fill Provides Safe Work Area for MaintainingWater Distribution System

36. Simplified Maintenance Water Distribution System AT Induced Draft Counterflow Cooling Towers

Removable Clean Out Plug for Water Distribution System

EvapJet Nozzles Prevent Clogging and Maximize Spray Area

37.

G235 Galvanized Steel

PVC Distribution System

PVC Inlet Louvers

PVC Drift Eliminators

Stainless Steel Strainers

EVAPCO Corrosion Protection System Signature Features Materials of Construction AT Induced Draft Counterflow Cooling Towers 38.

Stainless Steel Lower Section

Type 304 and Type 316 Stainless Steel

100% Corrosion Resistant Model USS.

Advanced Material Options Signature Features Materials of Construction AT Induced Draft Counterflow Cooling Towers Stainless Steel 39. USS Induced Draft Counterflow Cooling Towers Worldwide Leader in Evaporative Cooling Products

Type 304 Stainless Steel Casing and Fan Deck

Type 316 Stainless Steel Water Touch Basin

Standard Materials 316 SS 304 SS Signature Features Materials of Construction MADE IN USA 40. USS Induced Draft Counterflow Cooling Towers Worldwide Leader in Evaporative Cooling Products Superior Corrosion Resistance through Molybdenum! MADE IN USA 41. Standard on allAT Models AT Induced Draft Counterflow Cooling Towers Warranty, Guarantee, and Certification Standard on AT withStainless Steel Lower Section 42. AT Induced Draft Counterflow Cooling Towers Warranty, Guarantee, and Certification Standard on all AT Models 43.

Externally Mounted Totally Enclosed Motor

Power-Band Adjustment Performed from Outside

Bearing Lubrication Lines Extended to Outside

8.5 Ft. (2.5 m) Wide Models Simplified Maintenance Mechanical Drive System AT Induced Draft Counterflow Cooling Towers 44. 10 ft. (3.0m), 12 ft. (3.7m) and 14 ft. (4.3m) Wide Models Simplified Maintenance Mechanical Drive System AT Induced Draft Counterflow Cooling Towers

Easy Access Fan Belt Adjustment

45.

Fan Bearing Lubrication from Outside the Unit

Simplified Maintenance Mechanical Drive System AT Induced Draft Counterflow Cooling Towers 10 ft. (3.0m), 12 ft. (3.7m) and 14 ft. (4.3m) Wide Models 46.

10 ft., 12 ft. and 14 ft. Wide Cells have Swing Out Motor Base for Easy Service

Simplified Maintenance Mechanical Drive System AT Induced Draft Counterflow Cooling Towers 10 ft. (3.0m), 12 ft. (3.7m) and 14 ft. (4.3m) Wide Models 47.

Extruded Aluminum Fan

Aluminum Alloy Sheaves

Heavy Duty Pillow Block Bearings (Rated L10 Life of 75,000 - 135,000 Hrs)

Polished Steel Shaft

Corrosion Protected Bushings

Totally Enclosed Fan Motor

Components Ideal for Severe Duty Application Simplified Maintenance Mechanical Drive System AT Induced Draft Counterflow Cooling Towers 48.

EVAPAK Fill Acts As Working Platform

Provides Safe Work Area for MaintainingMechanical Equipment

No Fan Deck Handrails Required!

The Most Accessible Mechanical System in the Industry Simplified Maintenance Drive SystemAccess AT Induced Draft Counterflow Cooling Towers 49. Simplified Maintenance Optional Accessories AT Induced Draft Counterflow Cooling Towers

Sloped Ladders

50. Simplified Maintenance Optional Accessories AT Induced Draft Counterflow Cooling Towers

Motor Davits

External Service Platforms

NEW Basin Level Platform

51. Simplified Maintenance Basin Area Access AT Induced Draft Counterflow Cooling Towers

Clean Pan Sloped Basin Design

52.

Stainless Steel Basin Strainers Standard

Simplified Maintenance Basin Area Access AT Induced Draft Counterflow Cooling Towers 53. A dvancedT echnology LOW SOUND SOLUTIONS SUPER Low Sound Fan 54. SUPER Low Sound Fan 9 to 15 dB(A) Reduction! 9 to 15 dB(A) Reduction! A dvancedT echnology LOW SOUND SOLUTIONS 55. EVAPCO, Inc. Induced DraftClosed Circuit Coolers 56. ATW -INDUCED DRAFT COUNTERFLOW Hot Water In Hot Saturated Discharge Air Cool Dry Entering Air 57. CLOSED CIRCUIT COOLERS

Closed System

- Will not foul heat exchanger surfaces

- Will not contaminate process cooling equipment

- Reduced maintenance costs

Can CoolMANYFluids

- Water

- Water and an ethylene or propylene glycol solution

- Oils or hydraulic fluids

APPLICATION ADVANTAGES: 58. CLOSED CIRCUIT COOLERS

Higher Fluid Temperature Limitations

- Less likely to damage components

- Maximum fluid temperature of 170 o F

Dry Operation Option (except ESWA)

- Utilize bare coil

- Utilize coils with extended surface (spiral fins)

APPLICATION ADVANTAGES (Cont.): 59. EXCLUSIVE THERMAL-PAK COIL Patent Granted 1988 No. 4,755,331 60.

Lowers Air Pressure Drop

Increased Spray Water Flow

Maximize Tube Surface Area

EVAPCOS EXCLUSIVE THERMAL-PAK COIL Thermal-Pak Coil Benefits: 61. EXCLUSIVE THERMAL-PAK COIL

Galvanized (standard)

Copper

304 Stainless steel

316 Stainless steel

Coil Types: 62. ATW Enhanced Dry Performance

Cooling capacity in the event of water failure

Save on water usage

Cooling capacity with water off at lower ambient temperatures

Plume reduction

Dry Cooling Benefits: 63. ATW 3 Meter Wide Models New Ideal for Exact Replacement of Forced Draft 64. Containerized ATW New 65. Containerized ATW New Ships in Two Sections Fan Section and Basin Coil and Casing 66. Containerized ATW New Sections fit into a Shipping Container 67. ESWA CLOSED CIRCUIT COOLERS Superior Design, Superior Unit

Contains both Fill and Coil

184 Models

5 Box Sizes

Capacity: 75 to 441 tons (225 to 1,323 gpm)

ESWA Models: 68. 69.

Technology

ESWA Sensi-Coil Superior Design, Superior Unit 70. Thermal-Pak Coil Tube Spacing Sensi-Coil TMTube Spacing Technology Superior Design, Superior Unit Reduced Tube Spacing Perfect for Sensible Cooling 71.

Low Energy

30 to 50% less than other Induced draft

Major Energy Savings Low Sound better than standard Forced Draft 80% less than Forced Draft! Superior Design, Superior Unit 72. Decreased Horsepower for the SAME tonnage Total Fan Energy (Hp) Based on 3gpm per ton, 95F/85F at 78F wetbulb. Superior Design, Superior Unit Tons EvapcoForced Draft EvapcoATW EvapcoESWA 100 25 15 7.5 200 40 25 10 300 80 40 15 400 80 50 30 73. Based on 34% annual operation (3,000 fan hours per year) Electric rate = $0.09/KWHR Fan motor efficiency = 90% Superior Design, Superior Unit 74. Based on 3gpm per ton, 95F/85F at 78F wetbulb. Superior Design, Superior Unit Decreased Sound Levels from Top and Side Sound Level Measured at 5 ft from the TOP (dBA) Tons EvapcoForced Draft EvapcoATW EvapcoESWA 200 81 89 77 300 85 92 79 400 82 89 77 500 85 92 79 75. Based on 3gpm per ton, 95F/85F at 78F wetbulb. Superior Design, Superior Unit Decreased Sound Levels from Top and Side Sound Level Measured at 5 ft from the AIR INLET (dBA) Tons EvapcoForced Draft EvapcoATW EvapcoESWA 200 80 84 73 300 87 87 76 400 84 84 73 500 87 87 76 76.

No evaporation on coil reduces scale

Superior Design, Superior Unit ESWA Features and Benefits 77.

Totally enclosed coil protected from heat loss

ESWA Features and Benefits Superior Design, Superior Unit 78.

Easy coil access

The Most Accessible Coil in the Industry Superior Design, Superior Unit ESWA Features and Benefits 79.

NEW 14x24 Models

Superior Design, Superior Unit ESWA Features and Benefits New 80. EVAPCO, Inc. Water and Energy Conservation System 81. Complete Dry Cooler Section 82. Complete Wet Section Typical Induced Draft Cooler 83. TheControl System:

Fan Operation

Pump Operation

Switchover Point

Water Level

Heater Package

Interfaces with Building Automation System

84. Stage 1 - Dry Mode Only 85. Stage 2 - Dry Mode Both Cells Running Dry 86. Stage 3 Wet/Dry Mode 87. Stage 4 Wet Mode Only 88. Profiles of the WDW versus an Induced Draft Cooler Water Usage m 3 89. Pulse ~Pure TM Water Treatment

Non-Chemical Water Treatment with Pulsed Electric Fields

90. Pulse ~Pure TM Water Treatment Corrosion Scale Biological 91. Pulse ~Pure TM Water Treatment

Scaling Seed crystals.

Biological Cell disruption and agglomeration.

Corrosion pH in 8.3 to 9.0 range and no indiscriminate oxidizers added (chlorine or bromine).

92. Pulse ~Pure TM Water Treatment

Environmental Pulse~ Pure can eliminate chemicals from the job site and conserve water.

Economical Pulse~ Pure can save $$$ through water savings, water re-use, chemical avoidance, and increased system efficiency.

Effective Pulse~ Pure will provide effective water treatment for evaporative equipment.

93. EVAPCO, INC. Taking Quality and Service to a Higher Level . . .