The Glow-Worm Energy7 25C is a highly efficient, compact combination boiler designed for small to medium-sized homes that require reliable heating and instant hot water. With a 25kW output, it is ideal for properties with 1 bathroom and moderate hot water demand.

As part of the Glow-Worm Energy range, the 25C combines affordability with modern engineering, featuring Quiet Mark accreditation, user-friendly controls, and excellent energy performance—making it a popular choice among homeowners and installers.

Key Features

• 25kW output – suitable for small to medium homes

• ErP A-rated efficiency for reduced running costs

• Instant hot water on demand – no tanks or cylinders required

• Compact cupboard-fit design for flexible installation

• Quiet Mark approved for low-noise operation

• Stainless steel heat exchanger for long-lasting reliability

• Modern LCD display for easy operation and diagnostics

• Compatible with Glow-Worm smart controls for enhanced efficiency

• Frost protection for safer installation in colder areas

• Simple servicing with easy-access components

Ideal For

• 1–3 bedroom homes

• Properties with 1 bathroom

• Replacing older combi boilers

• Installations requiring a compact, efficient, budget-friendly option

Why Choose the Energy7 25C?

The Glow-Worm Energy7 25C offers an excellent balance of performance, value, and reliability. With its quiet operation, high efficiency, and modern design, it’s a dependable choice for households looking for a cost-effective combi boiler from a trusted brand.