The Greenstar 1000 Architecture & Material Upgrades The Worcester Greenstar 1000 boiler features a compact physical footprint, weighing 26kg (dry) with a shallow depth of 285mm. This minimal profile allows for flexible placement within tight kitchen cupboards while maintaining a high power-to-size ratio for entry-level system efficiency. Flow Rates and Sizing: 24kW vs 30kW Feature … Continue reading Worcester Greenstar 1000 Boiler