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Hot water Storage

Hargassner Accumulator Systems

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Product overview water storages

Accumulator systems for stored heat

Storing heat and excess energy from the heating water in the accumulator saves money. Depending on the model, they also heat the fresh water. The Hargassner storage systems are optimised for the key requirements − heat storage and hot water preparation. Find the range of models for the UK market below.

NOW NEW: Special accumulators up to 27,500 litres on request!

Zubehör-Kategorien
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Layered accumulator

Water storages

Universal heat storage tank

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Layer buffer SP 500 - 5,000 | Hargassner

Hygienic layered accumulator

Water storages

The convenient hygienic tank

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Hygienic layer buffer HSP 500-2000 | Hargassner

Solar layered accumulator

Water storages

The solar heat storage tank

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Solar stratified buffer SP 500 - 2,000 SW 1+2 | Hargassner

Solar hygienic layered accumulator

Water storages

The solar hygienic tank

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Solar hygiene layer buffer HSP 500 - 1,500 SW 1+2 | Hargassner

Nano–PK hybrid accumulator tank

Water storages

The compact Nano-PK hybrid tank

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Hybrid thermal store HWS 320 | Hargassner

Nano-WS hot water storage tank

Water storages

The Nano-PK hot water storage tank

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Hot water cylinder WWS 210 | Hargassner

Storage System HSS600

Water storages

Ideal for your Nano-PK up to 32 kW, hybrid heating system or heat pump

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HSS600 system cylinder with Nano-PK pellet boiler | Hargassner

Defrost accumulator

Water storages

The small accumulator for the defrosting process of your air / water heat pump

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Illustration HT BW defrost buffer heat pump Airflow-M | Hargassner
News & references

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EventFairNews

24. July 2026 - 26. July 2026

The Game Fair

Reference

Pellet boiler for multi-dwelling

Nano-PK 60 pellet boiler

Nano-PK 60 pellet heating system in apartment block | Reference Hargassner

CompanyNews

International Export Meeting 2026

Exchange, Innovation & Strong Partnerships

Group photo with all participants at the 2026 International Export Meeting

Reference

Biomass heating system for greenhouses in County Waterford

Magno-UF 550 kW

SEAI compatible biomass heating system for greenhouses of Grantstown Nurseries - Reference Hargassner UK / Case Study

AwardsNews

Hargassner named “Biomass Heating Company of the Year”

Exterior view of the new Hargassner wooden car park with the "Kinderwerkstatt" nursery in front of it