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Installer briefing: Changes to the Heat Pump Standard – MIS 3005 split

29 March 2022

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On 1 April 2022, significant changes to the MCS Heat Pump Standard (MIS 3005) will come into effect.

The standard is to be split between Design and Installation, creating two new Standards:

  • MIS 3005-D – for Heat Pump Design – view here
  • MIS 3005-I – for Heat Pump Installation – view here

This split is intended to improve access to the MCS Scheme, reflecting two distinct skill sets that exist within the heat pump sector, with system design separate from installation.

To accommodate an increase in contractors wishing to install heat pumps, this change will allow for those who wish to focus on ‘installation only’ to work with an independent designer. It also allows a designer to support certified installers.

The two new Standards were published on the MCS website on 1st December 2021 and will be mandatory from the 1 April 2022, following the closure of Domestic RHI.

This separation will have little impact on existing contractors who, by default, are currently certified for both design and installation (under MIS 3005 issue 5.0). On 1 April 2022, all contractors currently certified to the existing standard will automatically be granted certification to both new Standards. At the time of their next surveillance assessment, contractors will be asked to confirm to their certification body (CB) if they wish to be certified for only D or I, or both.

Summary

  • Now two heat pump Standards – one for design and one for installation.
  • New Standards become mandatory on 1 April 2022.
  • Existing certified contractors get ‘grandfather rights’ and will continue to be certified until their next surveillance visit.
  • Compliance certificates will no longer be required.
  • The MID is being updated to support this split in heat pump Standards.
  • If you want to provide direct feedback to the Working Group on the new Standard, you can email meetings@mcscertified.com

 

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