Virginia Product Overview Mike Herwald Regional Sales Manager March 2011

Virginia Products Division Overview History of Des Champs Identifiable Technology So, What’s it take to sell Virginia Products Factory Photos from 2-2011 The Man Behind the Legend – (Archive Trend Setting Photo!!) Outside Air Heat Recovery Humidity Control 2011 Munters Sales Meeting | DCT Overview March 7, 2011

1974 – Today Munters Des Champs Product Division 1974 The Early Years, Z-Duct 1981 High temperature heat exchangers for industry 1990 Ashrae 62-1989, Wringer 1991 Martini, AKA Wringer 2000 1995 Integral Refrigeration Systems & DDC Controls 1997 Full Portfolio of Air-to-Air Heat Exchangers 1999 EPX, Indirect Evaporative Cooling 2007 MUNTERS Purchases Des Champs 2011 New MOACS or “Air Manager” Product 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview Series 75 Z-Duct 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview 100th Package - 1977 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview Series 81 Z-Duct 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Wringer: The Grand Slam “Divide & Conquer” Invented 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

Wringer 2000 – Fresh Air Pool Dehumidification 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Refrigeration Capabilities Air Cooled Water Cooled Water Cooled heat pump R-410A 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Controls Capabilities ETL certified with UL components In house engineering and panel shop Single Point Power Full DDC capabilities Interface with BACnet, LON, N2Bus All wires numbered (both ends and terminal strip) 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Air-to-Air Heat Exchangers Counter-flow Plate Heat Exchangers Cross-flow Plate Heat Exchangers Heat Pipes Rotary Wheels Total Energy Transfer Sensible Energy Transfer Polymer Tubular Exchangers (EPX) 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Plate Heat Exchanger Technology Only counter-flow heat exchanger widely used – can achieve 75% plus heat recovery Only Plate heat exchanger with “cement pan” air seal – zero leakage Traversing defrost Water wash (X-flow guys are all at an angle) Configurations designed for ease of cleaning Flow configuration options Plate material options All welded options Z-Duct = 37 years of experience 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview Z-Duct Series 74 O/A S/A E/A R/A 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Thermo-Z High Temperature Industrial Plate Heat Exchanger Benefits Fully welded construction Operation up to 1400°F Up to 85% efficient Essentially zero cross contamination Various airflow configurations Variable plate spacing on heat exchanger supply and exhaust Standard and custom designs Applications Incinerators Ovens Dryers Solvent Recovery Furnaces 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Heat Pipe Heat Exchanger Aluminum Finned-Tube Heat Exchanger Benefits Integral fin design provides maximum heat transfer Minimum pressure drop Straight tube and wrap-around configuration Sealed center partition prevents cross-contamination Passive heat exchanger matrix results in minimal maintenance Efficiencies up to 80% Size and performance flexibility Available with optional tilt package Waterwash allows heat exchanger to operate efficiently in dirty airstreams Applications Include HVAC energy recovery and dehumidification 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Heat Pipe Heat Exchanger Technology All aluminum design – fin and tube are one piece Each tube is a separate circuit Welded automotive Schrader fitting for service 1” I.D. tubes allow for reliable heat transfer in longer lengths 1.5” I.D. tubes an option for even longer lengths 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Rotary Heat Exchangers Benefits Sensible and total energy recovery, 500CFM through 100,000 CFM Allows reduction in cooling tons and boiler horsepower required to condition outdoor air by 50% or more Rotors reduce winter humidification requirements Aluminum or synthetic media substrate rotor for maximum energy recovery Absorbent desiccant coating for effective moisture transfer All rotors are water washable without deterioration Tested and rated in accordance with ASHRAE 84-1991 One-piece or sectionalized rotors for both new and retrofit construction Even airflow effectiveness up to 85% Optional variable speed drive and controls for economizer cooling and frost protection 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

Enthalphy Wheel Heat Exchanger Technology Corrugated and flat layers create distinct air passage ways – air can not leak from exhaust to supply within the depth of the wheel 3 Angstrom Molecular Sieve Desiccant Various depth and corrugation patterns for flexibility Brush Seals with Mylar strip Purge options 2011 Munters Sales Meeting | DCT Overview March 7, 2011

EPX Wet Exhaust Air Dry, Cool Supply Air Hot Outside Air Water in (Air is “Indirect Evaporative Cooled” since no water is added to supply air) Hot outside air (building exhaust) Water in stainless steel welded sump Pump 2011 Munters Sales Meeting | DCT Overview March 7, 2011

EPX Heat Exchanger Technology Polymer design for superior corrosion resistance Unique tubular design with tube sheets – water management is certain 70% WB Depression Effectiveness / 50% Dry Effectiveness Internal ribbing and natural movement of tubes prevents scaling Welded SS sump with PVC distribution system 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview EPX Evaporative Polymer Exchanger 70% approach to exhaust WB 50% winter heat recovery Flexible Polymer Tube 6 ft. long 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Munters Des Champs – Identifiable Technology All types of heat exchangers made in house – Real technical advantages associated with each – Z-DUCT DOAS Pioneer with Wringer Products IEC Pioneer with EPX based Products Pioneer of Fresh Air Heat Recovery Natatorium Dehumidification Box Construction with Outside Air Treatment in Mind Strong Controls and Refrigeration Expertise Custom is Standard Mentality Compared with our peers, DCT Product Division has no equal 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview DCT Product Sales You can sell a lot of Widgets with Relationships, Prompt Service and Price. The following characteristics will help sell DCT Equipment: Strives to be Basis of Design – Incorporate DCT Technology!!! Intimate Product and Application Knowledge – Become the “go to” rep for outside air, heat recovery and humidity control Lean on the Factory – Knowledgeable RSMs and AEs Evaluate Competitor’s Bid or Submittal variance 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview BASIS OF DESIGN 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Factory Tour Photos – February 2011 2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview March 7, 2011

2011 Munters Sales Meeting | DCT Overview Still Has the Pants The Hair is Gone! 2011 Munters Sales Meeting | DCT Overview March 7, 2011

Thank you! 40