Vaillant Group

Does the core business genuinely avoid or reduce emissions, or build climate resilience? Share of revenue that is actually 'green'. Fossil-dependent models score low.

Heat pumps are a genuine decarbonisation technology and Vaillant has >500,000 units/year capacity with R290 refrigerant, but the company explicitly self-identifies as the world market leader in gas boilers, continues to sell gas appliances at scale, and installed-base Scope 3 emissions remain dominated by fossil combustion — capping the impact score materially.

Credible, science-based targets (SBTi), a real net-zero plan with progress to date, and CDP disclosure — not just a dated press release.

SBTi formally validated Vaillant's near-term (46.2% Scope 1&2 reduction by 2030 vs. 2019 baseline, 55% Scope 3 reduction per value-added) and long-term (90% absolute reduction by 2050, net-zero thereafter) targets in February 2024, aligned with 1.5°C — strong formal credibility, though quantified annual progress data in public reporting is limited and no CDP score is publicly confirmed.

Operational footprint, labour and social practices, and governance quality across the company's own operations and supply chain.

Positive operational signals include 100% renewable electricity across all sites since 2020, the Slovakia mega-factory certified to BREEAM and powered by renewables, a structured SEEDS sustainability programme with quantifiable targets, and a 10th-consecutive RoSPA Gold Award for UK safety — offset by a 700-person administrative headcount reduction in 2024 handled via voluntary measures rather than forced layoffs, and limited public data on supply chain labour audits.

Quality of disclosure, independent third-party verification, and how much hard data backs the company's claims.

Vaillant publishes annual sustainability progress reports and has adopted SBTi-validated targets, but remains a private family-owned company with no mandatory public financial disclosures; CDP participation is referenced via SBTi's founding coalition but no standalone CDP score is publicly surfaced, and CSRD compliance is flagged as upcoming rather than current — reducing independent third-party verification depth.

Controversies, litigation, pollution, fossil-fuel lobbying, conflict-zone involvement and governance scandals. Higher means cleaner.

No material controversies, pollution incidents, litigation, conflict-zone exposure, or fossil-fuel lobbying scandals were identified; the company has actively submitted pro-heat-pump evidence to UK parliamentary committees; the sole notable governance event is a 700-position administrative restructuring in 2024 due to market softness, managed through voluntary means.