Hot water Storage

Hargassner Accumulator Systems

Storage systems | Hargassner

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!

Layered accumulator

Water storages

Universal heat storage tank

Layer buffer SP 500 - 5,000 | Hargassner

Hygienic layered accumulator

Water storages

The convenient hygienic tank

Hygienic layer buffer HSP 500-2000 | Hargassner

Solar layered accumulator

Water storages

The solar heat storage tank

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

Solar hygienic layered accumulator

Water storages

The solar hygienic tank

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

Hybrid thermal store HWS 320 | Hargassner

Nano-WS hot water storage tank

Water storages

The Nano-PK hot water storage tank

Hot water cylinder WWS 210 | Hargassner

Storage System HSS600

Water storages

Ideal for your Nano-PK pellet boiler up to 32 kW

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

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

News & references

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CompanyNews

HARGY – Your personal AI support assistant

The new Hargassner AI ‘HARGY’

A laughing robot in front of a Hargassner laptop as a metaphor for AI support

Reference

Pellet boiler for multi-dwelling

Nano-PK 60 pellet boiler

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

BiomassBlogNews

Smart renovation with combi boilers

Heat from pellets or wood logs as the first choice for sustainable heating refurbishment

Man drives woman sitting in a wheelbarrow on construction site laughing

Reference

Pellet heating system for farm in the Lake District

Classic Lambda 50 kW

View over foggy forest treetops with mountains in the background

AwardsCompanyNews

Timber Construction Award
for wooden parking deck

Hargassner’s new wooden parking deck wins timber construction award

The trophy for the Upper Austrian Timber Construction Award 2025 in front of the entrance to the Hargassner timber car park

All news All references

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