MVR MVC (Productive) Energy recovery

​Howden blowers and compressors are a key component of MVC /MVR systems around the globe

​In mechanical vapor compression, turbo fans, positive displacement blowers or centrifugal compressors are used to raise the pressure and temperature of the generated vapors. Since mechanical compressors do not require any motive steam, all vapors can be compressed to elevated pressure and temperature eliminating the need for subsequent recovery system.

The energy supplied to the compressor constitutes the additional energy input to vapors. After compression of vapor and subsequent condensation of the same, hot condensate becomes an output.

Comprehensive, Customized Services

Howden's range of Roots blowers, centrifugal compressors and ExVel Turbo Fans are designed and fabricated for each and every project to the unique requirements of each customer and application. Our engineering design focuses on product integrity, long operational life and maximum efficiency.

Bespoke Packages

Each unit is mechanically tested to ensure that it meets performance specifications. Our units are tested to design extremes of speed, pressure and temperature. We validate flow capacity oil circulation, operating clearances and vibration at these critical performance levels. We also offer testing that meets your special process requirements and qualifications.

In-House Expertise

As a cornerstone in the MVC market for over thirty years, and with over 1,500 worldwide installations, Howden understands the unique process, mechanical, and aerodynamic requirements of vapor compression applications.


Vapor recompression involves incorporating a Howden blower or compressor to increase the temperature of the latent heat in steam to render it usable for process duties.

Vapour recompression is used to improve energy efficiency of evaporation processes. Evaporated vapours are recompressed to higher pressure which enables the use of compressed vapour again to heat the evaporator. In mechanical vapour recompression, a turbo fan or blower (either single stage or multi stage) is used to compress the whole vapour flow leaving the evaporator to the pressure that is sufficient to heat the evaporator. Thus the evaporator does not consume steam during operation.

  • Lobe Blowers, Centrifugal Fans, Turbo Fans

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Parts & Service

Lifetime Support

Our lifelong aftercare service will supply original replacement parts, support you with maintenance and installation, and even train your own engineers in maintenance techniques. We keep detailed plant records almost indefinitely, and regularly supply spare parts for machinery over 50 years old.