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About Grant G-One Scheme
The Grant G-One Scheme is an accreditation scheme that allows installers to fit and endorse Grant products.

Grant provides products such as oil boilers, air source heat pumps and solar thermal. It wants to ensure that its products are fitted by competent installers that know about the products, so customers can enjoy efficiency, reliability and return on their investment.

G-One launched in 2011 and now has over 1,500 active members throughout England, Scotland and Wales.

Installers must pass a number of requirements to be accepted on the G-One scheme, including having public liability insurance, to be a registered company and have qualifications relating to the products they install.

Choosing an installer registered with G-One means that you can be confident that they are fit to install the products and are trusted. They will be able to offer extensive knowledge on various products and advise you on what is best for you.

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