For large commercial applications 4.8 star efficiency rating Zero emissions Full electronic thermostatic control Economy mode Child lock Inbuilt humidifier tray Colour: White Gas Input MJ/h Low: 15.5 Gas Input MJ/h High: 37 kW Output: 8.6 Heats up to Capacity (m2) - Very Cold: 75 Heats up to Capacity (m2) - Cold: 89 Heats up to Capacity (m2) - Cool: 119 Heats up to Capacity (m2) - Mild: 138Please check gas type required carefully as a 50% re-stocking fee will apply to changes.