You can become a G-One accredited installer in one or more of Grant’s product ranges, but each requires a specific set of requirements to be met before you can be listed as G-One in that technology.

Requirements the installer must meet in order to become G-One

Please see below for a breakdown of the requirements to become G-One…

G-One oil boiler installer checklist:

  • OFTEC registered or member of another competent persons scheme
  • Attend and pass the Oil Boiler Installer Course at the Grant Training Academy (this is not mandatory but preferable)
  • Be a Registered Company
  • Hold adequate Public Liability Insurance
  • Comply with the Grant G-One Terms & Conditions (specified within the G-One Welcome Pack)
  • Actively promote, specify and install Grant Vortex and VortexBlue oil boiler products

G-One solar thermal installer checklist:

  • Attend and pass the Solar Thermal Installer Course at the Grant Training Academy (this is not mandatory but preferable)
  • Be a Registered Company
  • Hold adequate Public Liability Insurance
  • Comply with the Grant G-One Terms & Conditions (specified within the G-One Welcome Pack)
  • Actively promote, specify and install Grant Solar Thermal products

G-One air source heat pump installer checklist:

  • Attend and pass the ASHE Installer Course at the Grant Training Academy
  • Be a Registered Company
  • Hold adequate Public Liability Insurance
  • Comply with the Grant G-One Terms & Conditions (specified within the G-One Welcome Pack)
  • Actively promote, specify and install Grant Aerona³ ASHP products

G-One biomass boiler installer checklist:

  • Attend and pass the Grant Wood Pellet Boiler Installation Course at the Grant Training Academy (this is a mandatory requirement for all Grant biomass boiler installers, G-One or not. An installer who has not passed this course will not be able to purchase or install a Grant biomass boiler). Once an installer has passed this course, they will be given an Accredited Installer Number which needs to be provided whenever a Spira or Vecta is purchased via your heating merchant.
  • Be a Registered Company
  • Hold adequate Public Liability Insurance
  • Comply with the Grant G-One Terms & Conditions (specified within the G-One Welcome Pack)
  • Actively promote, specify and install Grant biomass products

If you feel you meet the above requirements and wish to join the Scheme, please contact the Grant Sales Representative in your area.

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