ISDE CheckerViessmann Vitocal 250 A HAWO252.A10 ISDE subsidy
On the October 2026 ISDE meldcode list
- Meldcode (notification code)
- KA22157
- Indicative subsidy amount
- €3,250
RVO list updated: · source: RVO
The Viessmann Vitocal 250 A HAWO252.A10 is an air-to-water heat pump with a capacity of 9 kW. Its refrigerant is R290 (Propaan), with a GWP of 3. It is on the October 2026 ISDE meldcode list with meldcode KA22157 and an indicative subsidy amount of €3,250. For the 2,184 air-to-water heat pumps on the list, the amount is between €1,250 and €16,325. Viessmann has 69 air-to-water heat pumps on the list, with amounts from €2,125 to €3,925.
- Brand
- Viessmann
- Model
- Vitocal 250 A HAWO252.A10
- Type
- Air-to-water (Lucht-Water)
- Capacity
- 9 kW
- Refrigerant
- R290 (Propaan) (GWP 3)
- Amount for a 2nd heat pump
- €2,025
The amount for a 2nd heat pump applies if you have two air-to-water heat pumps installed, or if you already received a subsidy for an air-to-water heat pump before.
Enter meldcode KA22157 in your ISDE application to RVO (the Netherlands Enterprise Agency). The application form is in Dutch. The amount is indicative; RVO sets the final subsidy. How the subsidy works