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Glow-worm Glow-worm ESSENTIAL Combi review

£695.00 Typical price

Brand score %

Key features
  • Gas
  • Combi

Glow-worm has been manufacturing boilers in Derbyshire for 75 years, so the Essential combi comes from a well-established brand. This condensing gas combi comes in a choice of 24kW and 28kW outputs and has a timer already built in to the control panel, so your heating will turn on and off automatically. But does Glow-worm's heritage translate into a great boiler brand? Read on to discover whether heating engineers and boiler owners would advise you to buy a Glow-worm.

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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Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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