ISDE CheckerViessmann VITOCAL 150-A AWO-E-AC, 400 V, 151-A.13 ISDE subsidy
On the October 2026 ISDE meldcode list
- Meldcode (notification code)
- KA28423
- Indicative subsidy amount
- €3,700
RVO list updated: · source: RVO
The Viessmann VITOCAL 150-A AWO-E-AC, 400 V, 151-A.13 is an air-to-water heat pump with a capacity of 11 kW. Its refrigerant is R290 (Propaan), with a GWP of 3. It is on the October 2026 ISDE meldcode list with meldcode KA28423 and an indicative subsidy amount of €3,700. 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 150-A AWO-E-AC, 400 V, 151-A.13
- Type
- Air-to-water (Lucht-Water)
- Capacity
- 11 kW
- Refrigerant
- R290 (Propaan) (GWP 3)
- Amount for a 2nd heat pump
- €2,475
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 KA28423 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