Glow-worm Boiler Installation
A trusted British brand with decades of reliability
Glow-worm is a well-established British boiler brand, now part of the Vaillant Group. This means Glow-worm boilers benefit from Vaillant's German engineering heritage at a more accessible price point.
About Glow-worm
Glow-worm has been a fixture in British homes since 1934. Now owned by the Vaillant Group, Glow-worm boilers share many components with their parent company, giving customers access to German-engineered reliability at a mid-market price. The Energy range is particularly popular for straightforward residential installations.
✓ Pros
- ✓Benefits from Vaillant Group engineering
- ✓Good mid-market value
- ✓UK brand with strong service heritage
- ✓Reliable and easy to service
✗ Cons
- ✗Warranty shorter than some competitors
- ✗Less well-known than parent brand Vaillant
Glow-worm Models We Install
All models supplied and installed by our qualified engineers. Prices include fitting, flue, and safety certificate.
Glow-worm FAQ
Are Glow-worm and Vaillant the same?
They're related — Glow-worm is owned by Vaillant Group and shares some components and technology, but they're separate product ranges at different price points.
Is Glow-worm a reliable boiler brand?
Yes — Glow-worm has a strong reliability record, partly because of the shared engineering with Vaillant.