Modern Heat Pump Technology from iDM for Industrial and Office Spaces
The PLETZER Group relies on advanced air source heat pumps for the sustainable heating and cooling of the GELO Premstätten B2 facility in Graz.
The three sections of the warehouse are heated by cascades of three AERO AL 50 Max air source heat pumps each. These systems are perfectly tailored to the specific requirements of large storage areas and provide a reliable, cost-effective heat supply. Supplemented by 9.0 kW heating elements in each unit, they ensure uninterrupted heating performance even during peak loads.
The office areas utilize a combination of underfloor heating and fan coils, supported by our AERO AL 32 Twin P and AERO ALM 10-24 heat pumps. This technology not only ensures a comfortable room temperature but also allows for alternating heating and cooling operation—enabling optimal adaptation to seasonal variations.
As part of the PLETZER Group, which also includes the GELO Premstätten B2 site, we demonstrate the Group’s commitment to environmentally friendly and iNTELLiGENT energy solutions. Our advanced heat pump systems stand not only for ecological sustainability but also for operational efficiency, making them a future-proof investment for modern businesses.
This project once again highlights that our heat pumps are the ideal choice for companies that value technological leadership and sustainable energy concepts.













