Profile: Hoval Ltd. is a provider of heating and cooling systems. We supply heating equipment to the building services industry. We also install boilers and related equipment. TopGasr condens is our high efficiency wall hung condensing gas boiler with pre mix modulating controls, suitable for use with concentric flue systems. Our UltraGas condensing boiler couples high efficiency with low NOx emissions. It features the Hoval ultra-clean combustion system with pre-mix down firing burner. This UltraGas AM condensing boiler has a stainless steel combustion chamber with a single pass aluFerr tube carbon steel heat exchanger. This aluFerr tubes are of stainless steel with an aluminium alloy finned internal surface. The boilers are encased within red and orange insulated steel panels. We also design & manufacture of air receivers, pressure vessels, blowdown vessels, surge tanks, flash vessels, expansion vessels and LPG tanks. We also specialize in full system service checks for hot water & steam boilers, solar equipment, heat pumps and industrial ventilation systems.