OMV, Voltan, Aira, and DREM Secure Funding for Green Energy Solutions

OMV forms geothermal joint venture with Vienna's municipal utility to heat homes and buildings, while Finnish scaleup Voltan secures funding for green heating and cooling solutions. Swedish clean energy company Aira raises funds to accelerate green transition and drive electrification of residential heating. Swedish home energy tech supplier Aira secures €87m to expand presence in Europe and serve 5 million homes. Stockholm-based DREM raises €2 million to simplify mass adoption of heat pumps in Europe.