ISDE Checker NL – Nederlandse versie

A.O. Smith WWHB 20 ISDE subsidy

On the October 2026 ISDE meldcode list

Meldcode (notification code)
KA32301
Indicative subsidy amount
€6,225

RVO list updated: · source: RVO

The A.O. Smith WWHB 20 is a water-to-water heat pump with a capacity of 22 kW. Its refrigerant is R134A, with a GWP of 1430. It is on the October 2026 ISDE meldcode list with meldcode KA32301 and an indicative subsidy amount of €6,225. For the 74 water-to-water heat pumps on the list, the amount is between €4,200 and €13,125. A.O. Smith has 2 water-to-water heat pumps on the list, with amounts from €6,225 to €8,775.

Brand
A.O. Smith
Model
WWHB 20
Type
Water-to-water (Water-Water)
Capacity
22 kW
Refrigerant
R134A (GWP 1430)
Amount for a 2nd heat pump
€6,225

Enter meldcode KA32301 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

All 2 A.O. Smith models