Boiler manufacturer BDRTher-mea (the new name for the company formed by Remeha-De Dietrich and Baxi's merger) is taking the lead with their Ecogen and eVITA Stirling engine products, closely followed by Efficient Home Energy with their new WhisperGen EU1 product. These companies have volume manufacturing and assembly facilities in place capable of manufacturing tens of thousands of units a year, with channels to market established.
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