Quiet Mark Glow-Worm Energy7 Combi combi boiler for UK home installation

Glow-Worm

Energy7 Combi

Available in 24kW & 30kW · A-rated · Up to 10 year warranty

Available outputs
24kW 30kW

Your engineer will confirm the right output during your quote.

  • ErP A-rated for heating efficiency
  • Gas Safe registered installation included
  • Fixed price with no hidden extras on standard swaps
  • Up to 10-year warranty on qualifying installs
  • Available in 24kW & 30kW
  • Quiet Mark certified for low operating noise
Fully installed from £1,875

Fixed price for standard combi-to-combi swap. Final price depends on output and survey. No monthly payments.

Select boiler Or call 020 8150 2025

About this boiler

The Glow-Worm Energy7 Combi is a modern condensing combi boiler available in multiple outputs to suit different home sizes. Every MeraBoiler package includes professional installation, compliance paperwork and transparent fixed pricing for standard combi-to-combi replacements.

Ideal for: Homes that need a reliable combi boiler in 24kW & 30kW outputs. Our engineer will recommend the best size for your property during your quote.

What's included

  • Supply and delivery of your new boiler
  • Removal and disposal of your old boiler
  • Gas Safe registered installation and commissioning
  • System flush and inhibitor where required
  • Magnetic filter installation (where applicable)
  • Building Regulations and Gas Safe certification

Available outputs & pricing

Guide prices for each output. Select this boiler to get your fixed quote.

Output Hot water flow Installed from Best for
24kW 10.2 l/min £1,875 Compact homes needing quiet, efficient heating.
30kW 12.4 l/min £1,920 3 bed semi-detached homes with good water demand.

Technical specifications

Boiler type Combi
Fuel Natural gas
Available outputs 24kW & 30kW
Efficiency ErP A-rated
Warranty Up to 10 years (manufacturer dependent)
Install type Wall-mounted condensing combi
FAQs

Glow-Worm Energy7 Combi FAQs

Is the price fully installed?

Yes. The price shown is for supply and professional installation by a Gas Safe registered engineer on a standard combi-to-combi swap. Your final quote may vary if additional pipework, flue changes or a conversion is required.

How long does a Glow-Worm installation take?

Most combi boiler installations are completed in one day. Our engineer will confirm timing after your survey.

Which kW output should I choose?

As a guide, 24-28kW suits most 2-3 bed homes. Larger properties with multiple bathrooms often need 30-35kW. Our quote wizard and engineer survey will confirm the right output for your home.

Can I book next-day installation?

Next-day installation is available on selected models subject to survey, stock and engineer availability in your area.

Alternatives

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