{"id":923,"date":"2025-05-26T12:25:23","date_gmt":"2025-05-26T10:25:23","guid":{"rendered":"https:\/\/www.heck-kaeltetechnik.de\/?post_type=technology&p=923"},"modified":"2025-08-07T17:32:44","modified_gmt":"2025-08-07T15:32:44","slug":"direct-evaporation-systems","status":"publish","type":"technology","link":"https:\/\/www.heck-kaeltetechnik.de\/en\/technologies\/direct-evaporation-systems\/","title":{"rendered":"Direct evaporation systems"},"content":{"rendered":"\n
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Technologies & solutions<\/span>Experience is still the best expertise.<\/span><\/h1><\/div><\/div>\n\n\n\n
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Direct evaporation systems<\/p>

Cost-saving direct evaporation systems\u00a0\u2013 efficient air cooling<\/h2>\n

In all applications in which large fresh or recirculating air flows are cooled, we offer you the advantages of direct evaporation technology.<\/p>\n\n\n\n

This involves direct cooling of the air through the evaporating refrigerant in the cooling coil \u2013 an intermediate medium such as chilled water is not required. You benefit from significantly better energy efficiency compared to conventional cooling systems. Additionally, the investment costs for complex cold-water piping including pumps and control groups are eliminated.<\/p>\n\n\n\n

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Features<\/p>\n

What our solutions have in common:
flexibility, efficiency and sustainability<\/h2>\n<\/div>\n\n\n\n
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Up to 40% lower
energy consumption<\/h3>

through direct air cooling without an intermediate medium<\/p><\/div><\/div>\n\n\n\n

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Turnkey
refrigeration system\u00a0<\/h3>

including cooling coil, piping and commissioning<\/p><\/div><\/div>\n\n\n\n

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Highest
control accuracy\u00a0<\/h3>

by stepless power control\u00a0<\/p><\/div><\/div>\n\n\n\n

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Optional
heat recovery<\/h3>

of the available waste heat from cooling process\u00a0<\/p><\/div><\/div>\n<\/div>\n<\/section>\n\n\n\n

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Keyfacts<\/p>\n

We optimize customer benefits through 
comprehensive measures:<\/h3>\n<\/div>\n<\/div>\n\n\n\n
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Reduction of trade interfaces\u00a0<\/h2><\/div><\/div>
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through turnkey supply of the complete cooling system \u2013including refrigeration machine, pipework, cooling coil and control technology<\/p>\n<\/div><\/div><\/div><\/section>\n\n\n\n

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Small footprint and flexible installation<\/h2><\/div><\/div>
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due to compact design and variable layout \u2013 ideal for decentralized retrofitting on existing installations<\/p>\n<\/div><\/div><\/div><\/section>\n\n\n\n

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Complete elimination of cold water technology<\/h2><\/div><\/div>
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i.e. cold water generation, piping including insulation, buffer tanks \/ switches, primary and secondary pumps, cold water control groups and coils and frost protection measures are not required<\/p>\n<\/div><\/div><\/div><\/section>\n\n\n\n

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Reduction of investment and maintenance costs<\/h2><\/div><\/div>
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by setting up combined systems for connecting several cooling coils with independent power control to one system<\/p>\n<\/div><\/div><\/div><\/section>\n\n\n\n

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Individual plant configuration<\/h2><\/div><\/div>
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e.g. for indoor or outdoor installation, in compact or split design, air- or water-cooled, modular design, redundant \/ multi-circuit design, sound insulation<\/p>\n<\/div><\/div><\/div><\/section>\n\n\n\n

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Consideration of customer specifications<\/h2><\/div><\/div>
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such as mechanical \/ electrical factory specifications, manufacturer specifications, special control cabinet equipment, communication interfaces, safety devices, etc.<\/p>\n<\/div><\/div><\/div><\/section>\n<\/div>\n<\/div>\n\n\n\n

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Applications<\/p>\n

Areas of application of our direct evaporation systems include:<\/h2>\n<\/div>\n<\/section>\n\n\n\n
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Air conditioning of fully automated paint shops<\/p><\/div><\/div>\n\n\n\n

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Production cooling in the food industry<\/p><\/div><\/div>\n\n\n\n

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Warehouse cooling in the pharmaceutical industry<\/p><\/div><\/div>\n\n\n\n

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Cooling of electronics manufacturing plants<\/p><\/div><\/div>\n\n\n\n

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Air conditioning of shopping\u00a0
centres<\/p><\/div><\/div>\n\n\n\n

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Comfort air conditioning for terminals<\/p><\/div><\/div>\n<\/div>\n\n\n\n

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References direct evaporation systems<\/p>

Reliable and multifunctional technology\u00a0\u2013 successful in every application<\/h2>\n

Since 1979 we have been working with our global customers from a wide range of industries to find cost- and energy-saving solutions of the highest quality.<\/p>\n<\/div><\/div>\n\n\n

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Air conditioning of a fully automated paint shop<\/span><\/h3>\n

Pite\u0219ti, Romania<\/p>\n

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  • 7 direct evaporation systems<\/li>\n
  • Total cooling capacity of 1,140 kW<\/li>\n
  • Recirculating air + fresh air conditioning<\/li>\n
  • High energy savings through demand-based design<\/li>\n<\/ul>\n <\/div>\n <\/div>\n
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    Cooling of moisture-sensitive production processes<\/span><\/h3>\n

    Morsbach<\/p>\n

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    • 6 direct evaporation systems<\/li>\n
    • 2,530 kW cooling capacity, 1,630 kW heating capacity<\/li>\n
    • Process air conditioning with heat recovery<\/li>\n
    • Elimination of complex cold-water piping for the customer<\/li>\n<\/ul>\n <\/div>\n <\/div>\n
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      Air cooling and dehumidification for food production<\/span><\/h3>\n

      Stadtallendorf<\/p>\n

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      • 4 split systems with heat recovery<\/li>\n
      • 2,400 kW cooling capacity, 1,760 kW heating capacity<\/li>\n
      • Free of charge reheating with waste heat<\/li>\n
      • Retrofit thanks to flexible plant design with small footprint<\/li>\n<\/ul>\n <\/div>\n <\/div>\n
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        Process air conditioning in surface technology<\/span><\/h3>\n

        Mosonmagyar\u00f3v\u00e1r, Hungary<\/p>\n

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        • DX system in split design<\/li>\n
        • 220 kW cooling capacity, 190 kW heating capacity<\/li>\n
        • Highest control accuracy<\/li>\n
        • Dehumidification including reheating with waste heat<\/li>\n<\/ul>\n <\/div>\n <\/div>\n
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          Air conditioning of a large logistics centre<\/span><\/h3>\n

          Aldenhofen<\/p>\n

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          • combined refrigeration system<\/li>\n
          • Total cooling capacity of 1,200 kW<\/li>\n
          • 66 cooling coils with direct evaporation<\/li>\n
          • Split system for indoor installation with external condenser<\/li>\n<\/ul>\n <\/div>\n <\/div>\n
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            Air conditioning of an automotive paint shop<\/span><\/h3>\n

            Meppel, Netherlands<\/p>\n

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            • 15 water-cooled systems<\/li>\n
            • Total cooling capacity of 3,470 kW<\/li>\n
            • Compact design for decentralized installation<\/li>\n
            • Including recooling facilities and higher-level control system<\/li>\n<\/ul>\n <\/div>\n <\/div>\n
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              Fresh air cooling\/dehumidification for paint booths<\/span><\/h3>\n

              Gliwice, Poland<\/p>\n

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              • Three-circuit refrigeration system (DX)<\/li>\n
              • 1,740 kW cooling capacity<\/li>\n
              • Turnkey solution for the customer<\/li>\n
              • Maximum efficiency through direct air cooling without chilled water<\/li>\n<\/ul>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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