ISDE CheckerBosch Compress 3800i EW 9 ISDE subsidy
On the October 2026 ISDE meldcode list
- Meldcode (notification code)
- KA18889
- Indicative subsidy amount
- €1,250
RVO list updated: · source: RVO
The Bosch Compress 3800i EW 9 is an air-to-water heat pump with a capacity of 1 kW. Its refrigerant is R134A, with a GWP of 1430. It is on the October 2026 ISDE meldcode list with meldcode KA18889 and an indicative subsidy amount of €1,250. For the 2,184 air-to-water heat pumps on the list, the amount is between €1,250 and €16,325. Bosch has 56 air-to-water heat pumps on the list, with amounts from €1,250 to €12,725.
- Brand
- Bosch
- Model
- Compress 3800i EW 9
- Type
- Air-to-water (Lucht-Water)
- Capacity
- 1 kW
- Refrigerant
- R134A (GWP 1430)
- Amount for a 2nd heat pump
- €225
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 KA18889 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