What Size of Boiler Do I Need For My Home?
What Size of Boiler Do I Need For My Home?

What Size of Boiler Do I Need For My Home?

Do you reside in the UK and need a boiler? Can't decide which boiler is the most suitable for your home? Do not worry! In today's article, we will tell you what size boiler you need for your home. There are many factors to consider when choosing a boiler. Since these factors are directly related to heating effectiveness, they must be included in the plans when selecting the boiler. Here below, we have listed the possible elements you need to evaluate during the decision-making process:

Knowing these factors will also directly affect how low or high a boiler you should get in terms of power output for where you live. As the number of people living in your house and the number of rooms and bathrooms decrease, it means that a boiler with less power output will be sufficient for you.

How Should I Choose A Boiler According To The Size Of My House?

When determining a boiler in terms of its size, it is very important to decide on the needs of your home before the technical features of the boiler. The type of your house comes to the fore among the criteria, such as the insulation status of the house and the number of bathrooms in use. In other words, choosing a boiler according to the size of your house helps you select the most effective and most efficient boiler for your home, both in kW and technical terms. You can review the following itemization to give you an idea when choosing a combi boiler according to the type of your house.

If you live in an apart, read here:


If you live in a house, read here:



Boiler That Is Best For Small Flats/ Aparts

If you live alone or have only one partner in an apartment or flat, lower boiler models in terms of kW will be sufficient for you. A boiler between 24 and 27 kW will be able to completely meet your heat needs of all kinds and provide enough to warm your bones on cold UK days. In addition, these boilers, which are produced with a small and stylish design for small houses, are so tiny that they can fit into even the smallest space in the kitchen.

But the question is, which one will you choose? We have one suggestion for you! Ideal Logic+ 24.

Ideal Logic+ 24 stands out as a small and cute boiler with a height of 700 mm. The warranty covers a period of 2 years, including parts replacement and labor. Ideal Logic+24, with a central heating power of 24 kW, can create wonders for small houses with a flow rate of 9.9 litres per minute. In addition, its ERP (energy efficiency) is 94 per cent, so it falls into the A-class category in terms of efficiency.

Boiler That Is Best For A 3 Bedroom House

Well, let's say you live in a larger house rather than in a small apartment as above. No problem! We still have suggestions for you. Let's say you have a nuclear family or just got married. This means you have more space to heat or more hot water needs to circulate throughout your home.

In this case, we need to recommend a more powerful boiler than 25 kW output for you. So, a boiler between 28 and 31 kW will fulfil what you need!. The boilers in this range are both price-performance products and highly technological. They have instant hot water features and can meet both heating and hot water needs at the same time. In addition, their compact design makes it very easy to install in your home. Especially if you request the installation process from Zara Heating, you will get through the installation process without having the slightest trouble, thanks to our professional and experienced engineers. On top of that, you will get extra warranty coverage!

As for our recommendation: Worcester Greenstar 8000 Style!

Worcester Greenstar 8000 Stylehas an output of 30 kW. Thanks to Worcester quality, you have a reliable and long-term warranty, and you can easily heat up to 3 rooms in your entire house and work functionally up to 15 radiators without any problems! It has a five-year warranty in default purchase, but you can expend a warranty period if you purchase it from Zara Heating.

Apart from the long-lasting warranty period it has, you can provide the elegance you want to your home with black or white options. In addition, due to its lightweight design, installation costs are low, and installation is very easy. Its technology greatly reduces the amount of energy it uses, which means lower bills. It also has a full-colour digital display with clear text!

Boiler That Is Best For A 4 Bedroom House

If your house has four bedrooms, that's not a problem either; we have endless solutions and suggestions! First of all, a higher power is required for the output as the hot water flow is diverted to both a shared bathroom and a bathroom connected to the master bedroom in such homes.

Our suggestion this time is the 35 kW version of the Vitodens 050-W from Viessmann. Viessmann Vitodens 050-W 35 kW is quite durable and sufficient for your home to meet both hot water and room temperature. In addition, the product comes with 10-year parts and labor warranty.

Boiler That Is Best For A 5 Bedroom House

If you own a house with five or more bedrooms, you naturally need to choose a boiler with much higher power output. At the same time, this product needs to be durable and work effectively so that you don't get upset while paying the bill.

Considering all these, our recommendation will be Worcester Bosch Greenstar 8000 with 40 kW Power Output. With its long warranty period, system boiler alternative and stylish design, it stands out as a very logical choice for everyone residing in big houses.

Why is Choosing the Right Combi Boiler Important?

Heating and hot water are some of the most basic requirements of our daily lives that directly influence the comfort of our living spaces. Therefore, if you consider purchasing a combi boiler for your living space, our recommendation is that you should decide on a boiler that will increase the comfort of your home while reducing the bill through high efficiency.

Remember that the most important aspect of choosing a boiler is knowing the characteristics of your residence and selecting the combi with the appropriate capacity that fulfils your needs.

In this article, we have listed some of the boiler models that we think will help you determine and shorten the decision-making process for your boiler purchase. However, if you need further assistance, repairment or have anything to ask about boilers and combis, you can reach Zara Heating 24/7! We will be there to provide the best answers and the most suitable boiler models for your house. What's more, if you make a purchase from Zara Heating, you will get an extra warranty period. We will be taking care of the installation and maintenance of your products with our professional and experienced engineers!

To put all of these in a nutshell, do not hesitate to reach us.

See More: What are Hydrogen Boilers?