The new regulations, which will be mandatory for all 28 countries in the EU, come into force on September 26 and concern ecodesign and energy labelling of space and water heaters.
They are designed to help the EU achieve its target to reduce energy use by 20% and increase the share of renewable energies by 20% by 2020.
Many heating products will be affected, including boilers, cylinders, heat pumps and solar thermal cylinders.
The Derry-Londonderry roadshow will be held on Thursday, June 25, at the Maldon Hotel, with the Belfast roadshow taking place on Monday, July 6 at the Ulster Rugby Club.
Information on how to register will be available soon at www.plumbcenter.co.uk