The ISDE (Investment Subsidy for Sustainable Energy and Energy Saving) provides you with a contribution towards sustainable measures such as a heat pump. The application process is precise; mistakes can cost you the subsidy. That is why we handle it for you.
- ISDE applies to, among other things, (hybrid) heat pumps and solar water heaters
- Have it installed by a certified company
- Apply for the subsidy after installation, within the deadline
- We take care of the complete application for you
Which measures is the ISDE applicable to?
The ISDE applies to, among others (hybrid) heat pumps and solar water heaters. The amount of the contribution depends on the type of device and its capacity. Solar panels are not included; the 0% VAT benefit for private individuals applies to those.
The step-by-step guide
- Choose a measure that is on the ISDE list
- Have it installed by a certified company (such as us)
- Apply for the subsidy within the applicable deadline after installation
- Receive the contribution in your account

We do it for you
You don't have to worry about a thing: we install professionally and take care of the complete ISDE application, including the correct supporting documents. This way, you won't miss out on any subsidy due to a formal error.
Frequently asked questions
How much ISDE subsidy will I receive?
That depends on the device and its capacity. We calculate your contribution for you in advance, so you know exactly where you stand.
Can I apply for the subsidy myself?
You can, but the application is precise regarding deadlines and supporting documents. We take it off your hands to prevent mistakes.
Curious about what this means for your home?
Take the free sustainability check with your address; you will immediately see your energy label, roof area and savings opportunities.