NEC19 - 22 MAR 2026
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17 Mar 2026

Air source heat pump

Stiebel Eltron Stand: H140
  • Air source heat pump
  • Air source heat pump
Air source heat pump Air source heat pump
Application • Air source heat pump with inverter technology and all-in-one design for universal use in modernisation and new build. Compact mono block version for siting outdoors. Thanks to minimal operating noise, it is also suitable for densely built-up areas. Low operating costs through high efficiency all year round. • Indoor units with different storage volumes are available depending on the DHW demand. The system delivers the required heating output, ensures a reliable supply of domestic hot water and can be used for efficient cooling through circuit reversal. • The WPM heat pump manager controls the system reliably and efficiently with a connection to the STIEBEL ELTRON Servicewelt. • Cascade solution of up to six heat pumps possible. • Extended, three-stage safety concept for reliable protection of the heating circuit against refrigerant ingress.

Convenience features • Very quiet operation is made possible by the encapsulated refrigerant circuit and acoustically isolated compressor. Contributing to the low sound power level are the modulating fans and the wide gaps between the evaporator fins which reduce air resistance. • Very low operating noise and therefore free choice of installation location. Additional, dB-precise and demand-orientated sound limitation with silent mode. • High DHW temperatures are assured without the need for electric backup, even in the winter; this is because the heat pump works with high flow temperatures all year round. • The consistent design delivers a timeless and high quality aesthetic.

Installation • Easier transport and placement thanks to the innovative carrying concept, compact dimensions and low weight. • Quick installation thanks to integral anti-vibration mount, no additional components required. • Easy access to the electrical connection panel at the side, secure connection thanks to spring terminal technology. • Siting and connection of the components is supported and simplified by coordinated accessories in the product range.

Efficiency • The refrigerant circuit works with the eco-friendly and futureproof refrigerant R290. In combination with the optimally and generously matched components, efficient operation is possible all year round. • Further increase in system efficiency by optimising the number of defrosting processes with demand-dependent control and natural defrosting without using the compressor.

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