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Grant Vortex Eco External Regular review

£1,766.00 Typical price

Brand score %

Key features
  • Oil
  • Heat-only or regular

With around one in four oil boilers being installed outdoors, Grant's Vortex Eco External boilers are in good company. They come with a grey powder-coated paint finish and frost protection to help the boiler withstand all that the British weather can throw at it, and multi-directional flue options allow the boiler to be located in a variety of positions. Although these are regular or 'heat-only' boilers, they can be fitted with an optional sealed system kit and converted into a system boiler. We list the Grant Vortex Eco External key features below, as well as examining Grant’s brand reliability, customer satisfaction and the views of expert heating engineers, to help you determine whether this is the right boiler for your home.

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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Brand scores

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

Find out how we assess boilers
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Put us to the test

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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