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Worcester Bosch Greenstar 40CDi Classic Regular ErP review

£1,615.00 Typical price

Brand score %

Key features
  • Gas
  • Heat-only or regular

The Worcester Bosch Greenstar CDi Classic range of regular or 'heat-only' condensing gas boilers consists of two high-powered outputs that are suitable for heating large homes with multiple bathrooms. Hot water is stored in a separate cylinder, and Worcester Bosch claims that the Greenstar 40 CDi Classic ErP is powerful enough to replenish the supply quickly - good news if someone's just run a bath. Read our full review to find out whether you should choose a Worcester Bosch boiler.

Included in our expert review
  • Pros and cons
  • Heating engineer views
  • What type of home is this boiler suitable for?
  • Will this boiler produce enough hot water for my home?
  • How efficient is this boiler?
  • What controls does this boiler have?
  • Is this boiler smart compatible?
  • What is the warranty with this boiler?
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Technical specifications

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Brand scores

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

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