The Agadon Heat & Design Black Friday discounts may vary from 20% to 50%. It depends on the year. Also, they have lots of other offers throughout the year. Keep an eye out for Agadon Heat & Design promo codes listed on DealA.com. You can sign up for the Agadon Heat & Design newsletter at agadondesignerradiators.co.uk and follow them on social media to get even more. They often send out exclusive offers via email and social media, so make sure not to miss anything!