Ground and Air Source Heat pumps Thermalia ground-source heat pumps comprise 32 models with performance ratings from 5.2kW to 81.1kW, with operating temperatures up to 65☌. Hoval TopVent® units are for recirculation or supply air for heating and cooling with mixed air or fresh air. Hoval RoofVent® units are roof ventilation units for supplying fresh air and removing extract air. This guarantees adaptability and flexibility in all phases: planning, installation, operation and maintenance. Unlike centralised systems, it has a modular structure in which one system contains multiple and possibly different indoor climate units. Indoor Climate Systems The Hoval indoor climate system creates a comfortable climate in large interior areas while minimising energy consumption. The gas boiler can also operate on biomethane and hydrogen, equipping it for the ongoing energy transition from gas to biomethane and for a hydrogen-powered future – and setting a new benchmark for renovation and new-build projects including multiple-occupancy buildings, small commercial properties, industrial sites and large plants. Based on the first generation of UltraGas® condensing boilers – which have been tried and tested for over 20 years – the successor model boasts a patented Hoval TurboFer® heat exchanger for even greater efficiency, combined with a future-proof and compact design. The boiler is available with output ratings ranging from 125 kW to 1550 kW, and 250 kW to 3100 kW as a double boiler. Hoval’s extensive product range includes the following: Gas condensing boilers The UltraGas® 2 is Hoval’s latest generation of gas condensing boilers for heating and hot water generation.

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