Hoval Ltd North Gate NEWARK NG24 1JN Hoval - Responsibility for energy and environment | HovalWe develop technologically superior heating and air solutions with solar, heat pumps, biomass, oil, gas and district heating for your project.Announcing the launch of our latest heat pump, Hoval Belaria® fit, designed for monovalent systems or as part of a hybrid system. The new benchmark for boilers. The all new Gas Condensing boiler from Hoval. Not sure who to contact? View a list of contacts https://www.hoval.co.uk