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Awards & Achievements


    • DRI sponsored  ACRECONF (conference) by Delhi Chapter of Ishrae, ACREX India trade show by  ISHRAE & Confluence 2012 by  ISHRAE Ahmedabad Chapter.
    • DRI participated in  ACREX India Trade Show By ISHRAE, AHR Expo - Chicago,  Aircon Trade Expo - India, ARBS - Australia,  China Refrigeration Trade Show - China, ISK Sodex - Turkey, MCE (Mostra Convegno Expocomfort) Trade Show - Italy, Powre-Gen Trade Show - India.
    • DRI presented Technical Papers at Racon (seminar) by Kolkata Chapter of  ISHRAE,  ACRECONF (conference) by Delhi Chapter of ISHRAE & Confluence 2012 by  ISHRAE Ahmedabad Chapter.


    • DRI yet again bags EEPC India National Award for Export Excellence 2008-09.
    • DRI sponsored  Green Data Centers conference by CII - India & Racon (seminar) by Kolkata Chapter of ISHRAE - India.
    • DRI spread awareness on Evaporative Cooling & Energy Efficient Fresh Air HVAC Systems at various Seminars organized by Bry-Air CSR Team.
    • DRI participated in GRIHA National Conference on Green Design - INDIA, Andhra Pradesh Cold Storage Expo - India, Ahr Expo - Las Vegas, ACREX India trade show by Ishrae,  Lahore Expo - Pakistan, ISH Trade Show -  Germany,  Arabian Construction Week - Abu Dhabi, China Refrigeration Trade Show - China, Green Construct Trade Show - Philippines, Febrava Trade Show - Brazil, Greenbuild International Conference & Expo by USGBC - Canada, Green Building Congress by CII - India,  PSME (Philippine Society of Mechanical Engineers) Convention Show - Philippines, GBCSA (Green Building Council South Africa) Convention & Exhibition - South Africa, HVAC/R Show - Philippines, Aclima Trade Show- Israel, Big-5 Trade Show - Dubai
    • DRI presented Technical Papers at Racon (seminar) by Kolkata Chapter of Ishrae & TECHFEST Goa by ISHRAE Goa chapter.
    • DRI provided Energy Recovery Wheels for new Terminal Building of Mumbai International Airport Ltd.
    • DRI provides Inorganic Fiber based Energy Recovery Wheels for Lab Exhaust.
    • DRI provides Energy Recovery Solution for North India's Ist Under Floor Air Distribution Job.
    • Mainetti, India’s Ist Platinum Rated Green Factory installed DRI Energy Recovery Ventilators to maintain IAQ.


  • DRI... Desiccant Rotors International received the Award as Star Performer under "Awards For Export Excellence" for the year 2007-08 bestowed by EEPC INDIA.
  • DRI holds all India Product Seminars on DOAS.
  • DRI participates into AcreConf - India, AHR Show – USA, RACON – India, ACREX – India, MOSTRA – Italy, ARBS – Australia, Green Schools Seminar – India, Power Gen - India and ISK Sodex - Turkey . 
  • DRI launches new range of Arctic Coolers. The range available upto 1,00,000 CFM.
  • DRI fulfills 100% Energy Recovery & IAQ requirement of Indoor Stadiums for CWG 2010.
  • Mr. Pahwa, Chairman Pahwa Enterprises presented papers at AcreConf 2010 on two subjects : Applied DOAS – A tropical climate retrospect and Understanding Free Cooling & its implication in DOAS design.
  • DRI becomes member of Singapore Green Building Council (SGBC), Emirates Green Building Council (Emirates GBC) and Malaysia Green Building Council (MGBC).


  • DRI Launches new series Energy Recovery Ventilators-ERVi Series
  • DRI is certified as ISO 9001 : 2008 Company
  • DRI participates into COMFEX – India, ISH – Germany, Asia Pharma – Malaysia, China Refrigeration – China, Saudi Aircon – Saudi Arabia, Energy & Water Conservation Expo – Bahrain, RHVAC – Thailand, Big 5 – Dubai, Green Build – USA, HVAC Show – Philippines and AceTech – India.
  • DRI holds all India Product Seminars on Indoor Air Quality, Energy Recovery and Green Buildings.
  • DRI launches, evolutionary new technology India's first DOAS (Dedicated Outdoor Air System).
  • Mr. Pahwa, Chairman Pahwa Enterprises presented a paper at AcreConf 2009 on DOAS which was in continuation to the Divide and Conquer approach for fresh air treatment.
  • Mr. Pahwa, Fellow ASHRAE and industry stalwart was felicitated at Acreconf 2009 by the ISHRAE
  • Delhi Chapter and ASHRAE India Chapter for his contribution to the industry.
  • DRI receives 100% certification award from AHRI  7th year in row.
  • DRI becomes a Corporate Member of Philippines Green Building Council (PhilGBC)
  • DRI opens its own offices in USA and Philippines..Mark Clark is President , DRI US while Charlie Waddell is General Manager. Gio Mendoza  heads Philippines operations.


  • DRI opens its office in Turkey. DRI office in Turkey is headed by Cagdan Yilmaz.
  • DRI becomes member of United States Green Building Council (USGBC), Australian Green Building Council (GBCA), Vietnam Green Building Council (VGBC) and South Africa Green Building Council (GBCSA).
  • DRI holds its first international meet in New York. The DRI teams from India, Malaysia, South Africa, Europe , USA and Brazil got together to work out the road map for the next three years.
  • Desiccant Rotors International wins the contract to install 45 heat recovery ventilators at the Beijing International airport, Beijing Shooting Gallery, Beijing University Gymnasium and the Stated Conference Center to provide fresh air to visitors for the Beijing Olympics.
  • DRI conferred the prestigious “ Founder Member”  Indian Green Building Founder Member by CII .
  • First green building in Vietnam CentrePoint has DRI ' green products'. CentrePoint has been built according to the Australian Greenhouse Rating(ABGR) as well as Green Star.


  • Desiccant Rotors International receives the Star Performer (Small Enterprise) Award in the product group "Miscellaneous General Purpose Machinery" certificate and trophy from EEPC of its outstanding contribution to Engineering Exports in the Year 2005-2006.
  • Desiccant Rotors International (DRI) opens office in Brazil.
  • ISHRAE (Indian Society of Heating, Refrigerating and Airconditioning Engineers) honours Mr. Deepak Pahwa for his contribution to the HVAC&R Industry.


  • EcoFresh wins the prestigious 'PHD Brand Equity Award 2006'
  • DRI launches new series Treated Fresh Air Units (TFAs) under the brand name of "FlexAir"
  • Arctic India Engineering Pvt. Ltd. renamed as Desiccant Rotors International Pvt. Ltd. (DRI)
  • EcoFresh Heat Wheels, now, ARI as well as Eurovent certified


  • Bry-Air sister concern of DRI established Bry-Air Learning Institute (BALI) for advanced learning in HVAC&R
  • Mr. Deepak Pahwa elevated as Fellow - ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers)
  • Arctic India Engineering receives ertificate for Export Excellence from EEPC for the Year 2001-2002


  • Setup a testing facility / R&D Lab for performance evaluation of Energy Wheels, in association with Intertek Testing Services, Cortland (Intertek Associates with ARI for the ARI 1060 Programme).
  • Again achieved 100% success rate in ARI (Air-Conditioning & Refrigeration Institute, USA) certification programme for the Year 2003.


  • Achieved 100% success rate in ARI (Air-Conditioning & Refrigeration Institute, USA) certification programme for the Year 2002.


  • Products showcased in India International Trade Show and FEBRAVA Show in Brasil.
  • Opens representative office in Sao Paulo, Brasil . 
  • Arctic India Engineering received award for Export Excellence again.
  • Sister concern, Bry-Air's Plant-III and Corporate office inaugurated by Mr. Paul D. Griesse, Chairman 


  • Thermolung Japan Signs agreement with DRI to Import Rotors.
  • Opening of representative office in Dubai.
  • 2 more branch offices in China to support the Shanghai office .
  • Nirata Export Award year 2001 for significant contribution for export of Air Conditioning and Refrigeration products from India.
  • Arctic India Engineering Receives Certificate for Export Excellence from EEPC for the Year 1999-2000


  • Arctic India Engineering receives Exports Excellence (EEPC) Award again.
  • EcoCool Evaporative Cooling Pads showcased at ARBS Show - Australia.


  • Arctic India Sales, the first company of the Pahwa Enterprises, completes 20 years.
  • Desiccant Rotors International (DRI), opens a representative office in Seoul, Korea.
  • DRI displays its Rotor range at ISH'99, Germany.
  • Arctic India Engineering signs agreement with IV Produkt, Sweden for manufacture of Treated Fresh Air Units..


  • The first Desiccant Based Cooling System successfully completes its pilot run at IIT Delhi.


  • Evaporative Cooling Pads manufactured in the country for the first time.
  • Desiccant Rotors International (DRI), a div. of Arctic India Engineering, show cases its range of Enthalpy and Desiccant Rotors at AHR'97 (ASHRAE).
  • DRI becomes the first & the only Indian company to participate in the AHR Expo, USA..


  • Desiccant Honeycomb rotors for dehumidifiers manufactured in the country for the first time.
  • On April 10, 1996, the then Governor of Ohio. His Excellency Mr. George V. Voinovich laid the foundation stone for our second plant.


  • The first Rotary Desiccant based Dehumidification Plant for heavy water recovery for nuclear application manufactured.
  • The concept of Indoor Air Quality (IAQ) introduced in India and South East Asia, through a series of Workshops and seminars




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