Skip to content
Hot water Storage

Hargassner Accumulator Systems

Learn more
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

Learn more
Layer buffer SP 500 - 5,000 | Hargassner

Hygienic layered accumulator

Water storages

The convenient hygienic tank

Learn more
Hygienic layer buffer HSP 500-2000 | Hargassner

Solar layered accumulator

Water storages

The solar heat storage tank

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

Solar hygienic layered accumulator

Water storages

The solar hygienic tank

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

Hargassner North America

Your
contact partner

Find your local heating expert

Your new heating system
in just a few steps

More about Hargassner
The right boiler for every power requirement.

01

Contact us

Order our brochures
and inform yourself!

02

Request

Our team looks forward to
hearing from you and providing
you with professional advice.

03

Appoint­ment

We will inform you in detail
about our heating systems and the
corresponding heating supplies
for your biomass heating system.

04

Offer

We create an energy- and
cost-efficient offer that
is tailored to your needs.

News & references

Filter news & references and
find the information you need

News Filter
Branchen-Filter
Heizungstyp-Filter

CompanyNews

International Export Meeting 2026

Exchange, Innovation & Strong Partnerships

Group photo with all participants at the 2026 International Export Meeting

Reference

Heating Plant, Saint-Cléophas (QC)

Biomass heating system supplying reliable municipal energy solution.

Exterior view of heating container with chimney - storage and boiler room - Reference municipality Saint-Cléophas, Quebec

BiomassCompanyNewsSustainability

Partnership with Fink Machine Brings Biomass Heating Systems to Western Canada

Two Biomass Specialists Join Forces

Shake hands, partnership | PREG Your Hargassner premium partner in the Innviertel region

Reference

Combi boiler for Richardson Family, New Hampshire

Richardson family uses Hargassner wood log and pellet system for off-grid, sustainable heating independence.

Boiler room detached house Richardson, New Hampshire - wood log and pellet heating system

CompanyNews

‘Hargy‘: Unique AI revolutionizing the heating industry

Convenience and timesaving in customer support

Man holding cell phone and chatting with Hargy AI support assistant