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Worcester Bosch Greenstar 8000 Life 30kW or 35kW System Boiler

Designed for modern life, the Worcester Bosch Greenstar 8000 Life System boiler boasts a range of features that help improve your comfort. 

The Worcester Bosch Greenstar 8000 Life System has the same much-loved features and pipe connections, flue and fixing points as the CDi Classic boiler but includes better controls and connectivity to make your life easier. This reliable and very quiet system boiler also boasts an ultramodern design and has been modernised and re-engineered to maximise efficiency and improve performance.

How Much Does this Boiler Cost?

Available with outputs of 30kW or 35kW, the Worcester Bosch Greenstar 8000 Life System boiler costs between £1,230 and £1,375. This doesn’t include installation costs, which can vary wildly depending on your chosen installer and the extent of the installation work. If you look around and get quotes from different local and national installers, you can find the best price for the boiler installation. Make sure you request fixed-price quotes from only Gas Safe registered installers. 

How will I know if this Boiler is Suitable for My Home?

System boilers, such as this one, require a separate hot water storage cylinder but don’t need tanks in the loft, so they take up less space than regular boilers. They can provide a constant supply of hot water to multiple taps at once, making the Greenstar 8000 Life System ideal for homes with more than one bathroom and high demand for hot water. 

If you ask a Gas Safe registered engineer to visit you in your home, they can assess your unique needs and help you select a boiler size that meets your heating and hot water requirements.

Is it a High Efficiency Boiler?

Yes. The Worcester Bosch Greenstar 8000 Life System is a highly efficient system boiler that is 94% energy efficient and ErP A-rated for heat, so it should help save you some money on your fuel bills and reduce your carbon footprint. 

Does this Boiler have a Good Range of Controls and Features?

The Greenstar 8000 Life System from Worcester Bosch is a direct replacement for the award-winning CDi Classic boiler and has a modern new design and an improved LCD display with easy-to-use push control buttons. This stylish system boiler is also compatible with the wireless Bosch EasyControl, a smart internet-connected room thermostat that connects to your smartphone and allows you to control your heating and hot water on the go. 

How long is the Warranty on this Boiler?

You’ll receive a 5-year warranty when you purchase the Worcester Bosch Greenstar 8000 Life System boiler. If you opt for a Greenstar system filter and get the boiler installed by a Worcester Bosch Accredited Installer, you should get a generous 12-year warranty. 

Summary of Important Information

  • Expect to pay between £1,230 and £1,375
  • Heating output of 30kW or 35kW
  • Dimensions of 780mm (H) x 440mm (W) x 365mm (D)
  • Uses gas as its fuel source
  • A-rated for efficiency
  • Smart compatible
  • 5-year warranty as standard

Pros and Cons

Worcester Bosch is a trusted brand that offers some of the most reliable and efficient boilers on the market, and the Greenstar 8000 Life System is no exception. The list of pros and cons below should help you determine whether this system boiler is a good fit for your home.  

  • Awarded Which? Best Buy
  • Worcester Bosch has a Which? brand score of 84% – correct at the time of writing – January 2022
  • Suited to medium and large-sized homes with more than one bathroom
  • Easy-to-use push-button LCD display
  • One of Worcester Bosch’s quietest boilers to date
  • No need for loft tanks
  • Compatible with Bosch EasyControl – can tailor hot water times and heating temperatures from your smartphone or tablet, even when you’re not at home
  • Provides maximum energy efficiency – reduce fuel bills and carbon emissions
  • Excellent rating on Trustpilot – correct at the time of writing – January 2022


  • Requires separate cylinder
  • 5-year warranty – but this can be extended to 12 years
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