70 %
Six weeks. Four steps.
Roof check · 60 seconds
Address, roof, wishes. You get a first estimate right away – with the subsidies already included.
On-site visit · free
An advisor checks roof, meter cabinet and heating, and answers every question at your kitchen table.
Fixed quote + subsidy forms
A fixed price in writing. We apply for KfW and BAFA before you sign anything.
Installation + handover
Two to four days on site. We register the system, set up the app and explain everything twice.
The subsidies, in plain numbers.
Figures for owner-occupied houses in 2026. Your exact amount is part of the free estimate.
We check every programme
We file the applications
You only sign
Heat pump · base subsidy
30 %
Climate speed bonus (old heating out)
+ 20 %
Income bonus (under €40,000)
+ 30 %
Efficiency bonus (natural refrigerant)
+ 5 %
Maximum, up to €21,000 per house
70 %
VAT on solar modules and battery
0 %
KfW loan for the rest, interest from
0.01 %
Subsidies included
See your number before you decide.
The roof check shows system, yield, savings and subsidy in one result. Free, in 60 seconds, without calling anyone.
Subsidy questions, answered.
The rules change often. We keep track so you do not have to.
Before you sign the contract. We prepare the application with you and only then send the binding quote.
You pay the invoice, the subsidy is paid out afterwards – usually within eight weeks. The KfW loan can bridge the gap.
There is no grant, but 0 % VAT on modules, inverter and battery – and a feed-in tariff for every kilowatt hour you do not use.
It has not happened yet. If it does, you can withdraw from the contract free of charge.
Ready for
your heat pump.
your roof.
your battery.
We look at your roof, your heating and your bills – and tell you honestly what pays off.
or call 0761 555 40 90