Overview

Vaillant Group is a family-owned manufacturer of heating, ventilation, and air-conditioning equipment, headquartered in Remscheid, Germany, and founded in 1874. It employs roughly 10,000 to 50,000 people and operates production and development sites across Europe and China, with estimated annual revenue in the $1-5 billion range. Its products serve residential users, professional installers, and property managers in the construction, plumbing-hardware, and appliance industries. In September 2026, the company supplied hydrogen heating technology for the first hydrogen grid to enter regular operation in Germany.

At a glance

What Vaillant Group makes

The company holds ISO 9001, ISO 14001, and ISO 45001 certifications and lists electric heat pumps, gas-fired boilers, and digital monitoring services among its products.

Products and capabilities described on the company's own site include Welding, Pump, Electronics (source: vaillant-group.com).

Certifications

Vaillant Group is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 14001 — vaillant-group.com

• ISO 45001 — vaillant-group.com

• ISO 9001 — vaillant-group.com

Latest developments

• 2026-09-18 — Change in the Vaillant Group’s Management Board (vaillant-group.com)

• 2026-09-15 — Homeserve & Vaillant schließen strategische Vertriebspartnerschaft (homeservegruppe.de)

• 2026-09-01 — First hydrogen grid enters regular operation in Germany: Vaillant supplies H₂ heating technology (vaillant-group.com)

• 2026-06-09 — Up to 500,000 heat pumps per year: this is how Vaillant is investing in Europe Materia Rinnovabile | Renewable Matter (renewablematter.eu)

• 2025-10-29 — Vaillant Group UK's Derby manufacturing facility hosts royal visit (vaillant-group.com)

• 2025-08-21 — Nemecký Vaillant na Slovensku v Senici expanduje (trend.sk)

Facilities

Vaillant Group is headquartered in Remscheid, Nordrhein-Westfalen. Public sources also reference these locations:

• Senica, Slovakia — renewablematter.eu

Company details

Vaillant is privately held and serves customers in more than 60 countries through eight brands, including Vaillant and Glow-worm. Vaillant Group was founded in 1874, has an estimated 10,000-50,000 employees, and is headquartered in Remscheid, Nordrhein-Westfalen. On the LightSource stability read it is rated "Established & active": 152 years in operation (founded 1874). Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Vaillant Group make?

Vaillant Group is a family-owned manufacturer of heating, ventilation, and air-conditioning equipment, headquartered in Remscheid, Germany, and founded in 1874. It employs roughly 10,000 to 50,000 people and operates production and development sites across Europe and China, with estimated annual revenue in the $1-5 billion range. Its products serve residential users, professional installers, and property managers in the construction, plumbing-hardware, and appliance industries. In September 2026, the company supplied hydrogen heating technology for the first hydrogen grid to enter regular operation in Germany.

Where is Vaillant Group headquartered?

Vaillant Group is headquartered in Remscheid, Nordrhein-Westfalen (40 Berghauser Strasse, Remscheid, Nordrhein-Westfalen, 42859).

When was Vaillant Group founded?

Vaillant Group was founded in 1874.

How big is Vaillant Group?

Vaillant Group has an estimated 10,000-50,000 employees, with revenue in the $1-5B range (estimated).

What certifications does Vaillant Group hold?

Vaillant Group lists ISO 14001 · ISO 45001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.