Condensing boiler in Namur

As a guide in Belgium in 2026: Condensing gas boiler (installed): €3,000 to €6,500. The final price depends on the job, the materials and the access: compare several written quotes.

Describe your project once on Batizzy: photos, rough budget, preferred timing. Contractors and tradespeople see the jobs in their area first and send you their quote in the same format, which you compare side by side. It is free for homeowners.

The prime Habitation ended on 30 September 2026. Since 1 October 2026, Walloon support goes through Rénopack, a 0% loan of which part is not repaid depending on your income, and through Rénoprêt, with a home audit less than one year old.

In a private home more than ten years old, most works invoiced by the contractor go down to 6% VAT instead of 21%. The invoice must carry the statement required for the reduced rate. Exception: since 29 July 2025, a boiler or heating appliance running on gas, oil or coal is invoiced at 21% (FPS Finance).

Check their company number at the Crossroads Bank for Enterprises, ask for a detailed written quote with VAT, and read the reviews. On Batizzy, the "CBE verified" badge marks pros who had their number checked, and a review is only possible after a real job.