Press Press Sun, 18 Aug 2019 21:42:34 +0200 Zend_Feed_Writer 1.11.14 (http://framework.zend.com) https://hoval.com/press/ Hoval GmbH Hoval GmbH Hoval expands UltraSource® heat pump range by adding extra performance classes Wed, 12 Jun 2019 16:00:38 +0200 https://hoval.com/press/com-9/hoval-expands-ultrasource-heat-pump-range-by-adding-extra-performance-classes https://hoval.com/press/com-9/hoval-expands-ultrasource-heat-pump-range-by-adding-extra-performance-classes