Focus on maximum economic efficiency
Our part
in this
project
The task
The requirements:
- Heat supply for 10 residential units
- Maximum economic efficiency for 700 m² of living space
- Efficient heat generation for low operating costs
Our solution
10 residential units, over 700 m² of living space and a Nano-PK 20 pellet boiler from Hargassner – maximum efficiency in commercial construction.
- 1 x Nano-PK 20 kW
- 1 x GWT-MAX bag silo
- 1 x storage system for bag silo
- 1 x 1,000 litre accumulator tank
In Upper Austria, an existing building was renovated and expanded into a rental property with 10 residential units. The main focus was on cost-effectiveness during construction and ongoing operation, but without sacrificing sustainability. A refurbishment or conversions and extensions are often more expensive than a traditional new build. For this reason, special attention was paid to the construction method during the planning phase. Thanks to the solid timber construction in cross-laminated timber (CLT) and the generous insulation of 22 cm or 32 cm in the roof area, between five and a maximum of eight tonnes of pellets per year are sufficient for the entire heat requirement. In addition to the low running costs, the acquisition costs for a pellet boiler in commercial buildings are also highly attractive.
Hargassner Nano-PK pellet boiler:
Biomass in commercial letting
Low operating costs are decisive in the utilisation of a rental property. It is therefore important to maximise the efficiency of heat and energy generation. A 20 kW pellet boiler supplies over 700 m² of living space with heat. The running costs are in the range of a multi-dwelling unit.
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The old oil heating system was removed, the tank room was converted into a new technical room and limited to one space for the Hargassner Nano-PK 20 pellet boiler together with a 1,000 litre accumulator tank. In order not to lose any living space, the storage for the pellets, a GWT-MAX bag silo, was integrated into a Biohort shed outside and the supply to the boiler is underground. Hot water is heated using storage tanks in the residential units. The residential units are between 60 and 90 m² in size. The necessary shading was provided by means of front-mounted roller shutters.
Used products
Find out all the details about the products used in this project and get a better overview of Hargassner heating systems.
More references
Find out which products are used in similar situations and gain a better insight into the world of Hargassner.
Reference
Combi boiler for detached house Herzog
Nano-PK 15 kW pellet boiler & Neo-HV 20 kW wood log boiler
