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.

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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News

WINTER PROMOTION
ACCESSORIES FOR FREE

Get yours

Winter action - red background with gift graphic and stylised snowflakes

Reference

Hybrid heating system: wood log boiler and heat pump

Hybrid heating with heat pump & wood log boiler Smart-HV 17

Boiler room with Smart-HV 17 log boiler and heat pump - hybrid heating

AwardsCompanyNewsSustainability

Viktualia Award 2025

Hargassner‘s company restaurant "Kesselstube" honoured for sustainable company catering

Reference

Disctrict heating network Ammerthal

Industrial heating for the local heating network in Ammerthal with Magno-VR 399 kW and Eco-HK 330 kW

Magno-VR and Eco-HK, local heating Ammerthal | Reference

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

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