ISDE CheckerViessmann VITOCAL 250-AH HAWO-M-AC 252.A06, 230 V ISDE subsidy
On the October 2026 ISDE meldcode list
- Meldcode (notification code)
- KA28434
- Indicative subsidy amount
- €2,350
RVO list updated: · source: RVO
The Viessmann VITOCAL 250-AH HAWO-M-AC 252.A06, 230 V is an air-to-water heat pump with a capacity of 5 kW. Its refrigerant is R290 (Propaan), with a GWP of 3. It is on the October 2026 ISDE meldcode list with meldcode KA28434 and an indicative subsidy amount of €2,350. 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-AH HAWO-M-AC 252.A06, 230 V
- Type
- Air-to-water (Lucht-Water)
- Capacity
- 5 kW
- Refrigerant
- R290 (Propaan) (GWP 3)
- Amount for a 2nd heat pump
- €1,125
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 KA28434 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