Variable refrigerant flow

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Popular solution across the world

Variable Refrigerant Flow systems (VRF) are quickly becoming popular for air conditioning solutions across the world. VRF systems not only provide flexible and energy efficient air conditioning, but also heating and hot water for residential and commercial applications.

Some of the features of this type of an air conditioning system with variable refrigerant flow include:

  • Cooling only, or reversible for heating, including heat recovery options
  • Air or water cooled systems
  • Variable capacity compressors
  • Optimized for a number of conventional and environmental refrigerants
  • Up to 64 indoor units with individual metering

Features and benefits

Compact, space-saving components

High energy efficiency

Optimized for environmentally friendly, low GWP refrigerants

Reduced applied costs and short payback times

Dedicated technical and customer service around the world

Eco labelling options

Variable refrigerant flow components in a typical system:

Variable refrigerant flow application diagram

Highlighted products

  • if (isSmallPicture) { Danfoss' family of compressors for air conditioning and heating; } else if (isBigColumns) { Danfoss' family of compressors for air conditioning and heating } else { Danfoss' family of compressors for air conditioning and heating }
    Compressors for air conditioning & heating

    Compressors for air conditioning, providing enhanced comfort, efficiency and sustainability for rooftops and chillers, commercial applications with refrigerants R410A, R407C, R134a and R22.

  • if (isSmallPicture) { Photo of the Danfoss family of filter driers; } else if (isBigColumns) { Photo of the Danfoss family of filter driers } else { Photo of the Danfoss family of filter driers }
    Filter driers

    Filter driers in hermetic design are ideal for commercial refrigeration applications requiring high drying capacity to prevent acid formation in the system.

  • if (isSmallPicture) { Product family of the Danfoss line of micro channel heat exchangers; } else if (isBigColumns) { Product family of the Danfoss line of micro channel heat exchangers } else { Product family of the Danfoss line of micro channel heat exchangers }
    Micro channel heat exchangers

    Save time and money with MCHE standard products. The introduction of micro channel heat exchanger condensers, which combine resource and energy efficiency with minimal use of refrigerants, is enabling the development of leaner, greener solutions. Select one of our standard products and you can buy any quantity of condensers, any time, large or small, directly from stock.

  • if (isSmallPicture) { Product group photo of refrigeration temperature sensors by Danfoss; } else if (isBigColumns) { Product group photo of refrigeration temperature sensors by Danfoss } else { Product group photo of refrigeration temperature sensors by Danfoss }
    Refrigeration temperature sensors

    Refrigeration temperature sensors are used for applications within air-conditioning as well as commercial and industrial refrigeration applications. The Pt 1000 sensor element meets the DIN/IES 751 class B requirements and ensures an accurate and reliable temperature signal applicable for regulation, safety and data logging.

  • if (isSmallPicture) { Product photo of the line of sight glasses by Danfoss; } else if (isBigColumns) { Product photo of the line of sight glasses by Danfoss } else { Product photo of the line of sight glasses by Danfoss }
    Sight glasses

    SGP is a series of sight glasses for high pressure applications (Max Working Pressure 52 bar/754 psig). SGP is available in versions optimized for refrigerants with mineral oil e.g. HCFC, and in versions optimized for non-flammable HFC refrigerants. SGP is available with flare, solder and socket connections, and with and without moisture indicators.

Contact us

For further information, please contact us.