The BEG EM heating-replacement grant, run by KfW (not BAFA). Two doors: 458 for self-using owners and WEG; 459 for “Unternehmen, Vereine, gemeinnützige Organisationen, GbR und juristische Personen des Privatrechts, einschließlich Wohnungsgenossenschaften” — so an eG or Syndikat-GmbH uses 459. Rules re-set by the BEG EM Richtlinie of 2026-08-17 (in force 2026-07-21).
- Grundförderung 30 % of eligible cost (both doors).
- 458 only, self-used unit: Klimageschwindigkeits-Bonus 16 % (falls 4 pts every 1 Feb/1 Aug from 2027-02-01; gone for applications from 2028-08-01); Einkommens-Bonus 40 pts (zvE ≤ €30k), 30 pts (≤ €40k), 10 pts (≤ €50k), with a €10k income disregard if a child < 18 lives in the household; Effizienz-Bonus 5 % for heat pumps (falls to 15 % base rate from ~Q1 2027, plus a 15 % EU-origin Wertschöpfungs-Bonus). Cap 70 %, 80 % if zvE ≤ €30k.
- Eligible cost cap: €28,000 first unit, €15,000 units 2–6, €8,000 from unit 7 (first-unit cap falls €750 per half-year from 2027-02-01).
- Path: direct via the “Meine KfW” portal, before Vorhabensbeginn, with a BzA from an Energieeffizienz-Experte — no Hausbank.
- Ergänzungskredit 358/359: up to €120,000 per Wohneinheit, 35 yr, via Hausbank; extra Zinsverbilligung (358) if household income ≤ €90,000; needs a grant Zusage ≤ 12 months old.
- Kumulierung: not with kfw-261 for the same measure; other public money allowed up to a 60 % Kumulierungsgrenze (90 % for municipal applicants); not with §35a/§35c EStG for the same measure.
Related
- bafa-beg-em — the sibling grants for envelope and non-heating measures
- kfw-261 — the whole-house loan alternative
- eg-cooperative, syndikat-haus-gmbh — apply under 459