LA 28TBS

LA 28TBS

LA 28TBS

Air-to-water heat pump with higher flow temperature. 28 kW heat output.

Stylish comfort heating.

With 28 kW heat output, this air-to-water heat pump is ideal for heating and rapid domestic hot water preparation. It heats living areas up to 630 sqm with a high flow temperature up to 65°C and is ideal for existing or new-build apartment blocks. A choice of 1,625 RAL colours offers outstanding design freedom and enables optimal integration into any environment. The following also applies here: Flexible expansion options and compact design are included.

  • Extremely high performance. Designed for areas up to 630 sqm.
  • Flow-optimized casing. Low frequencies that can be unpleasant are effectively reduced.
  • Excellent efficiency values. Demand-based regulation via two compressors in the refrigeration circuit – if only one is required, the other switches off.
  • Always comfortable. Quick domestic hot water preparation via a flow temperature up to 65 °C – depending on the day consumption.
  • Future-orientated. Use of load-variable tariffs or self-produced PV-electricity possible: SmartGrid Ready.
  • Secure financial subsidies in a targeted way. Certified for the market incentive program of the BAFA.
  • Legal requirements fulfilled. Renewable Energy Heat Act (EEWärmeG), EnEV requirements, Energy efficiency class A++.

Technical Data.

Heat output max. A7/W35 | COP A7/W35: 25,1 kW | 3,9


Energy efficiency class with 35 °C flow temperature: A++


Energy efficiency class with 55 °C flow temperature: A+


Lower operating limit heat source (heating operation): -22 Grad


Upper operating limit heat source (heating operation): 35 Grad


Max. flow temperature: 65 Grad


Sound pressure level in 10 m: 34 dB(A)


Sound pressure level in 10 m (lowered operation): 31 dB(A)


Width: 1065 mm


Height: 1855 mm


Depth: 775 mm


Weight: 323 kg


All models of the series:

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