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Ecovativ since 1927.

MHG - three letters for economy,

quality and innovation.



ThermiAir: The air/water heat pump for shrewd money-managers

  • Air/water heat pump specially designed for use in older single-family houses 


  • Ideal for combining with existing heat generators to cover peak loads (tandem operation)


  • Intelligent Merlin automatic control system to ensure smooth operation of all system components  


  • Modulating operation using innovative inverter technology; output adjustment based on local conditions unnecessary


  • Top performance coefficient > 3.5, minimal operating costs


  • Space-saving installation of wall-mounted interior unit and split design; compressor built into outdoor unit


  • Extremely low operating noise inside and out


Ecodesign Directive (ErP) product labels and data sheets

Data Sheets ThermiAir

ErP-Label ThermiAir

For queries and further information, please do not hesitate to contact us.
MHG Heiztechnik GmbH | Brauerstraße 2 | 21244 Buchholz i. d. Nordheide
Phone: +49 4181 23 55-0 | Fax: +49 4181 23 55-191 | E-Mail: