{"product_id":"worcester-greenstar-30-si-compact-erp-combi","title":"Worcester Greenstar 30 Si Compact ErP Combi","description":"\u003ch3\u003eWorcester Greenstar 30Si Compact ErP Combi Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 30Si Compact ErP Combi Boiler is a high-efficiency, wall-mounted gas boiler designed for small to medium-sized homes with one bathroom. As part of Worcester Bosch’s trusted Greenstar range, this compact combi boiler delivers reliable heating and hot water performance while taking up minimal space — making it a smart choice for modern homes.\n\nWith a 94% efficiency rating and ErP A-rating for both heating and hot water, the Greenstar 30Si helps you save on energy bills while reducing your household’s environmental footprint.\n\n\u003ch3\u003eEfficient, Compact, and Powerful\u003c\/h3\u003e\n\nThe Greenstar 30Si Compact combines performance with practicality. It offers a central heating output of 24 kW and a domestic hot water output of 30 kW, providing a steady flow rate of 10.7 litres per minute — ideal for homes with up to 10 radiators and a single bathroom.\n\nDespite its strong output, this model’s compact dimensions (690 x 390 x 280 mm) allow it to fit neatly inside a standard kitchen cupboard, saving valuable living space.\n\n\u003ch3\u003eReliable and User-Friendly Design\u003c\/h3\u003e\n\nEngineered for everyday convenience, the Greenstar 30Si features simple user controls, frost protection, and a low energy pump to reduce electricity consumption. It’s also LPG compatible, making it suitable for homes off the mains gas grid.\n\nThis model can be used with a wide range of optional mechanical, digital, or wireless programmers, allowing you to customise your heating system for greater comfort and efficiency.\n\nWith an up to 10-year manufacturer’s warranty (subject to T\u0026amp;Cs), you can enjoy total peace of mind from one of the UK’s most trusted boiler brands.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nErP A-rated efficiency (94%) – highly energy efficient\n\nHeating output: 24 kW\n\nHot water output: 30 kW\n\nFlow rate: 10.7 L\/min @ 35°C rise\n\nCompact size – fits within a standard kitchen cupboard (690 x 390 x 280 mm)\n\nWall-mounted design – space-saving and discreet\n\nUser-friendly controls for simple operation\n\nBuilt-in frost protection for reliability in cold weather\n\nLow energy pump – reduces electrical consumption\n\nLPG compatible for homes without mains gas\n\nUp to 10-year warranty (subject to manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: Greenstar 30Si Compact ErP Combi\n\nFuel Type: Natural Gas \/ LPG Compatible\n\nBoiler Type: Combination (Combi)\n\nCondensing: Yes\n\nCH Output: 24 kW\n\nDHW Output: 30 kW\n\nFlow Rate: 10.7 L\/min @ 35°C rise\n\nEfficiency Rating: 94%\n\nErP Rating: A (Heating) \/ A (Hot Water)\n\nMounting: Wall-mounted\n\nDimensions (HxWxD): 690 x 390 x 280 mm\n\nStandard Warranty: Up to 10 Years\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003e1. What type of home is the Worcester Greenstar 30Si Compact suitable for?\u003c\/h4\u003e This boiler is ideal for **small to medium-sized properties** with **one bathroom** and up to **10 radiators**. It’s perfect for homes that need efficient heating and hot water without sacrificing space. \u003ch4\u003e2. Can the Greenstar 30Si Compact be installed in a kitchen cupboard?\u003c\/h4\u003e Yes! With compact dimensions of **690 x 390 x 280 mm**, the 30Si fits neatly within a **standard kitchen cupboard**, making it an excellent space-saving option. \u003ch4\u003e3. How efficient is this model compared to older boilers?\u003c\/h4\u003e The Greenstar 30Si Compact has an **ErP A-rating** and **94% seasonal efficiency**, making it significantly more efficient than older boilers. This means **lower energy bills** and **reduced carbon emissions** for your home. \u003ch4\u003e4. Is it compatible with LPG fuel?\u003c\/h4\u003e Yes, the 30Si Compact is **LPG compatible**, making it suitable for homes that are **off the mains gas network**. \u003ch4\u003e5. What is the warranty period? \u003c\/h4\u003e This model comes with a **standard warranty of up to 10 years**, giving you complete peace of mind when installed by a Worcester-accredited engineer.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771449082198,"sku":"162765","price":1378.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-30-si-compact-erp-combi-7419276.jpg?v=1772639417","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/worcester-greenstar-30-si-compact-erp-combi","provider":"JJ Building Materials","version":"1.0","type":"link"}