What is a Combi Boiler?

Combi boilers are very efficient, not only that, they are the most commonly installed boiler now across the country. But, what actually is a combi boiler and what differences are there compared to say, a standard system?

What’s a Combi Boiler?

Combi BoilerCombi boilers, or combination boilers, are a space-saving unit which have revolutionised the way in which we generate hot water and heat within our homes. In a typical central heating system you would have a boiler on the wall, floor or behind your fire (back boiler). You would then have a separate hot water cylinder which would be located in the loft space or in your airing cupboard (big copper tank!). In order to get a large bath filled, you would need to heat up this whole tank of water with your boiler, whatever isn’t used is then wasted. Which is, well, a waste.

Combi boilers only generate what heat is needed. It’s a bit like a big kettle, when hot water/heat is needed, it turns itself on and generates what is required without wastage. Not only do they waste less energy, but because of the advances in technology, the heat is generated faster and much more efficiently. Combi boilers also save lots of space in your home and are aesthetically much more pleasing as everything is combined in to one single unit.

Can I get a Free Combi Boiler under the ECO Scheme?

If you fit the criteria which has been set by the governments, you could have a brand new, A rated combi boiler installed in to your home free of charge. There are installers up and down the country which are ‘Green Deal’ approved. This means they are qualified to survey your home, calculate its efficiency and move forward with the installation of your combi boiler.

To see if you qualify for a free combi boiler under the ECO Scheme, visit – www.boilergrants.org.uk

What is a Condensing Combi?

A condensing combi is a highly efficient version of, an already very efficient combi boiler. A condensing boiler takes the hot waste gas which would normally be lost of the flue and recycles it back through the system. This saves a lot of energy. A combi condensing boiler is the most efficient, standard heating system which can be installed in the UK today.

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Posted in Combi Boilers, Free Boilers
18 comments on “What is a Combi Boiler?
  1. Jess Porter says:

    I have applied for a free boiler and I’m waiting for a call. Fingers crossed! I’m freezing! xx

  2. Jennifer says:

    I always wondered what a combi boiler was!

  3. Nundunlab says:

    Great Site!

  4. Jonathan says:

    Hi its Jonathan here from BoilerGrants.org.uk – You apply for a free boiler via our website!

  5. Jenny says:

    Great site!

  6. Betty says:

    I claimed my free boiler!

  7. Barry says:

    Can I get a free boiler if I’m on Income Support?

  8. Tomika says:

    I have a boiler with a hot water cylinder at the moment, can I get a combo boiler installed via the scheme?

  9. John Biggs says:


  10. Grumpy John says:

    This is stupid, my boiler is broken but I have to pay for a new one by myself! Sit on your a**e all day and you can get a combo boiler for free?!

    • PSimpson says:

      If you check with the criteria, the main category is for those who are working and are still on a low income. Or sometimes those who aren’t working at the moment but want to get back to work and at the moment high energy bills are too much of a burden. This scheme helps them to control their bills (by saving money). It’s just a little extra help without chucking money at the problem. Also it is a fairly strict criteria, with your boiler having to be over 5 years old and a rating of below D

  11. Sarah says:

    Thanks for the great tips

  12. Apply for a new a boiler through our site. Its easy!

  13. WOb says:


  14. Cassie says:

    Hey there, You must have done a great job. Check out my site!

  15. Jenny says:

    Love my combi boiler!

  16. Eron says:

    Thank you a lot for sharing this with all people you actually recognise what you are talking about! Bookmarked. Kindly additionally seek advice from my website =). We can have a hyperlink change contract among us

  17. Swayna says:

    What is this free boiler scheme all about?

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