We only offer access to our shop once a week (Black Friday). Only in this time our members can enjoy exclusive special conditions. The articles are released every Friday and only the articles that are ordered on this day are also sent to the customer.

You want to test us? No problem send us an email with "TEST" and you will have a unique opportunity to make a purchase on our Black Friday.

Test buy Satisfied? Then you will be accepted as a member of only selected customers. Experience the Black Fridays of the heating industry and more. Simply fill in our contact form and you will soon receive the login data.