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Buderus heat pumps: models, specifications and conditions

Checked

For Logatherm WLW176i AR, distinguish the outdoor model, indoor-module variants and complete packages. Older WPL AR and overseas ranges do not automatically share its specifications.

An independent overview of conditions and documented examples. We do not assign an overall brand score or confirm current stock.

Buderus Logatherm WLW176i AR heat-pump system
Buderus Logatherm WLW176i AR heat-pump system. Source: manufacturer.

The photograph identifies a product family. Check the generation and full model codes against the technical data and quotation.

Logatherm WLW176i AR: exact models and combinations

Slovak sources document WLW176i-7 AR TP70, order 7738602707, and WLW176i-5 AR T180, order 7738602696, among other examples.

Outdoor-unit output is not automatically a measurement for an exact indoor package. ErP part-load and fixed-point EN14511 results are presented separately.

Winter output and seasonal efficiency

The Slovak 2026 overview reports WLW176i-7 AR output and COP at 100% load. Do not compare those rows with COP at 60% in another document. Inconsistencies in energy-class order and the climate label of another online SCOP are not converted into verified seasonal figures.

Documented observations: WLW176i-7 AR
QuantityValueConditions and source
Heating output7.09 kWair 2 °C dry bulb; leaving water 35 °C; load: 100%; standard: EN14511Technical source, checked 20 October 2026.
COP2.83 air 2 °C dry bulb; leaving water 35 °C; load: 100%; standard: EN14511Technical source, checked 20 October 2026.
Heating output6.71 kWair -7 °C dry bulb; leaving water 35 °C; load: 100%; standard: EN14511Technical source, checked 20 October 2026.
COP2.36 air -7 °C dry bulb; leaving water 35 °C; load: 100%; standard: EN14511Technical source, checked 20 October 2026.
Outdoor sound power LWA42 dB(A)load: not stated; standard: EN12102Technical source, checked 20 October 2026.

Slovak heat-pump overview 2026, printed page 4; output rows at 100% load.

Missing standards, pairings or loads are not treated as zero. Figures with incomplete conditions are labelled technical examples. Request the complete data sheet for the exact combination before design.

Noise, refrigerant and installation

EN12102 sound power differs from maximum and quiet modes. The declared row does not explicitly state the complete air/water/load point. We do not use it to rank noise or predict a level at a window.

The exact manual must define placement, service clearances, any protective area, condensate and frost strategy. Nominal thermal output does not specify the electrical breaker or cable size.

Unit price or a complete system?

We do not have a documented current complete Slovak price for this exact system with comparable scope. A missing price is not treated as zero. Request equipment, indoor module, cylinder, accessories, labour, electricity, foundation, commissioning, VAT and all exclusions.

What the warranty evidence establishes

Slovak conditions describe a paid five-year extension requiring registration within 90 days and annual service. Check repair scope, parts and exclusions in the warranty. Inspections and consumables are not automatically included in the cover price.

Confirm in writing

  • Generation, full model codes, electrical variant and manual.
  • Output and COP at the same winter and water temperatures; SCOP with climate.
  • Which parts, compressor, labour and travel costs are covered.
  • Registration, paid inspections, exclusions and responsible service provider.
  • Installation scope, total including VAT and exact supported-equipment registration.

Common questions

Which Logatherm WLW176i AR figures can be directly compared?

Only the same quantity at the same temperatures, load, climate and measurement boundary. Another generation or indoor pairing does not automatically share the result.

What does the Buderus warranty include?

The written scope and its conditions determine cover. Compressor or materials cover is not automatically a complete system warranty including labour.

Is the unit price the whole budget?

Only if the scope says so. Connections, cylinder, electrical work, foundation and other work may be separate.

Sources

We are an independent information site. We do not sell or install equipment. These dated sources do not replace a design for your home. Source links are not affiliate links.