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What Floor Area Do You Need to Heat?
What floor area do you need to heat?
Adding up the floor space of all the rooms you wish to heat with your wet underfloor heating system will give you the number you need to compare with the options above.
As with most things, this is not an exact science, and it should be noted that if the pipes are being laid on a concrete floor, the power requirement will be about 25% higher than if the floor is wooden.
If in any doubt, it is always best to overestimate the requirement, since a higher-powered boiler will not use any more power overall than a smaller boiler (since it will be in use for less time) but it will give you the advantage of quicker warm-up times and will not be on for as a long periods: it will therefore be more likely to have a longer serviceable life.
Some of our favourite flow boilers for central heating:
This page is part of the 'helpmechoosemy...' series which helps you choose exactly the right product, by answering a small number of simple questions. Using these pages will lead you to an appropriate selection of hand dryers, water heaters, or boiling water products so you can make your final choice. Along the way, you will find links to our Advice Centre articles which will give you more information about each of the choices you are making, and a lot of information about each of the questions.
Of course if you need any other help or have very specific requirements, our experts are always on hand to get you the right answer, and to suggest different brands which may represent better value for money. So don't be shy about giving them a call or selecting the option on the bottom left of the screen to get us to call you back.