Main Main Eco Compact 25kW Combi Gas Boiler

Main Eco Compact 25kW Combi Gas Boiler
Total Cost
£1,620 - £1,920
Manufacturer Main
Boiler Model Main Eco Compact 25kW Combi Gas Boiler
Condensing boiler? Condensing
Energy Efficiency Rating 93%
Energy Band A Rated
LPG model/Conversion kit Yes
Manufacturer Warranty 5 Years
Heating Output 25kW
Wall Mounted or Floor Standing Wall Mounted
DHW Flow Rate 12 l/min
Total Cost £1,620 - £1,920
ERP Rating A Heat A Water
Hot Water Max Output

Main Eco Compact 25kw combi boiler review

Main Eco Compact 25kw combi boiler is a gas-fired boiler that offers many benefits at a great price. This compact, lightweight boiler fits perfectly in a cupboard. You have the option to choose from several outputs to suit your heating and hot water needs.

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The boiler’s small size, lightweight and wall mounting make it easy to install and will save you both time and money. After the boiler has been installed, you can reap the many benefits it brings to your home. It boasts a 93% efficiency rating and an ErPA rating for heat and hot water.


Why choose the Main eco compact 25kw?

If you’re looking for an affordable boiler that can heat your water efficiently at A-rated ERP water heating efficiency, this Main combi boiler is the one for you.

The lightweight boiler is compatible with Main Heating’s proven technology and compact. It also comes with a five-year warranty*

  • You can choose between 25kW and 30kW.
  • 5-year parts and labour warranty
  • Boiler Plus compliant
  • Energy Saving Trust Adopted
  • Lift weight 29.5kg
  • It can fit in a small cupboard
  • Low NOx emissions Class 5 (the best).
  • Brass hydraulics block
  • Top and central flue
  • Stand-off frame available
  • Link to rigid filling
  • Certified to work with 20% hydrogen

What does the Main eco compact 25 combi do?

The Main Eco Compact Combi boiler heats water from the mains. The boiler can work without the need for hot water storage cylinders or loft tanks.

The Main Eco Compact Combi doesn’t require external heating pumps. It is a great choice for homes that have limited storage. A combi boiler is an excellent choice for small bathrooms. A combi boiler is not capable of handling high hot water requirements and cannot support multiple baths or showers simultaneously.

Although reliability and quality are important considerations when purchasing a boiler, the Main Eco Compact Combi boiler is extremely affordable. It is extremely energy efficient and offers many other great features. The warranty is very good for a combi. Main’s Below-average Which score is the problem. This is a problem. Before making a final decision, you might review the test results.

The main eco-compact 25kw combination boilers

  • A new boiler is cheaper than other brands
  • These are great for small and medium-sized homes
  • It can fit in a small cupboard
  • Easy installation, use, maintenance.
  • Boiler Plus certified, Energy Saving Trust approved
  • Low NOx emissions Class 5
  • Maximize energy efficiency, reduce carbon emissions
  • Compatible with Baxi uSense smart heating thermostat – Use smart devices to control heating
  • Optional central flue stand


  • A 5-year warranty is available for this product only
  • Although not the most well-respected in recent years, it has seen a significant improvement in recent years.

Main Eco Compact 25kw combi-boiler price

This new combi boiler is popular because it is so affordable. This boiler can be purchased for as low as PS600 and fully installed by a Gas Safe registered technician. This boiler has many benefits, including its compact size. However, if you want a boiler that is more durable and offers a longer warranty (up to 10 years), there are options.

Who are our fitters?

We use our own Gas Safe installers and the best installers the UK has to offer. Every single one is Gas Safe registered and has been thoroughly vetted.

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