Glow-Worm Energy7 35C Combi Boiler

The Glow-Worm Energy7 35C is the most powerful model in the Energy7 range, delivering excellent heating and hot water performance. With an ErP A rating for both heating and hot water, it combines energy efficiency with a compact design that fits comfortably inside a kitchen cupboard. Whether you’re upgrading an old boiler or installing a new system, the Energy7 35C offers a modern solution with style and functionality.

Quiet, Durable & UK-Made

Glow-Worm Energy7 35C Combi Boiler is designed to deliver reliable heating and hot water performance for modern homes. This model is an excellent choice if you are looking for a combination boiler that balances efficiency, durability and everyday comfort. Whether replacing an older system or installing a new combi boiler, this product offers a practical solution tailored to its specification and output.

Built in the UK at Glow-worm’s award-winning Belper facility, the Energy7 35C is made forLongevity and efficiency. It features a high-grade aluminium heat exchanger that’s both durable and whisper-quiet—so quiet, in fact, that you’ll barely notice it running in the background.

Smart Efficiency

This boiler includes a high-efficiency modulating Grundfos pump, which automatically adjusts its operation based on your home’s heating and hot water needs. This not only helps maintain comfortLevels but also significantly reduces your energy usage and costs over time.

Flexible to Fit Your Space

Despite its high output, the Energy7 35C is compact and offers a rear flue option, giving you more flexibility during installation. It’s ideal for medium toLarger homes where space-saving and high performance are both priorities.

Key Features

ErP A-rated for heating and hot water Compact design suitable for kitchen cupboards Aluminium heat exchanger for quiet, efficient operation Modulating Grundfos pump reduces energy waste Rear flue option available Available in 25C, 30C, and 35C models

Specifications

Model: Energy7 35C Manufacturer: Glow-Worm MPN: 10035898 GTIN: 5037985124488 Type: Gas Combi Boiler Dimensions: 700mm (H) x 390mm (W) x 280mm (D) CH Output: 25kW (85,000 BTU) Max DHW Output: 35.7kW Hot Water Flow Rate: 14.4L/min @ 35°C rise Warranty: 7 Years (subject to manufacturer’s T&Cs) ErP Rating: A for both heating and hot water

Frequently Asked Questions

Is the Energy7 35C suitable forLarger homes?

Yes, this model is perfect for medium toLarge homes, especially those with higher hot water demand. It offers strong flow rates and powerful heating performance.

Can the boiler be installed in a kitchen cupboard?

Absolutely. Despite its power, the Energy7 35C has a compact design and a rear flue option, making it easy to install in tight spacesLike kitchen cupboards.

What kind of warranty does it come with?

The boiler includes a 7-year manufacturer’s warranty, provided it’s installed by a certified engineer and registered as required.

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