Best Boiler Size For Your Home

Boilers come in three types, this includes combi, system, and conventional, but each of these varieties comes in a variety of "sizes" that homeowners may choose from. The size is entirely dependent on how much energy they can expend into your heating and hot water system rather than the physical measurements, which are all almost similar to each other.  

what size boiler do I need?

Generally speaking, you need a powerful boiler if your home is larger and has more radiators, hot taps, and showers. A cottage with a single resident would need a far less powerful boiler than a home with five bedrooms and three showers and a family of six. But selecting the most powerful boiler is not the only consideration to make. If you acquire a boiler that is far larger than what you need, both the original investment and ongoing operating costs will be wasted. 

On the other hand, if you attempt to save money by purchasing a less expensive, lower-powered boiler for a big family, you'll likely discover that you regularly run out of hot water and have cool radiators. Therefore, if you expect changes, you must determine the size of the boiler for your specific home, either now or in the near future.

So, what size boiler do I need?

There are a few factors you need to consider when it comes to choosing the right boiler size for you and go through this in this blog. 

Number of radiators

The number of radiators in your house should be taken into account when selecting the boiler size that is best for it. The lowest sized boiler size will be enough to heat your house and give enough hot water if you have a small property, such as a flat or apartment. 

A small or medium boiler, for example, a 24-30 kW sized boiler is enough for a normal three or four-bedroom home with ten radiators. A bigger one, usually 30-35 kW, will be required for a larger home with significantly more than 10 radiators. 

In order to heat a big home with up to 20 radiators efficiently, a large 35–42 kW combi boiler may be required. Alternatively, switching to a system boiler with a more suitable capacity is preferable. 

boiler sizes

Property size, layout and demand

A more powerful boiler will be required if your property is bigger in order to heat the whole structure more effectively and guarantee that the right water pressure is maintained without wasting energy. 

The size of the boiler you require may depend on the number of bathrooms in your home. The demand for hot water and heating will be greater in a big household, necessitating a boiler with a higher kW rating.

The most important decide which boiler type would be most appropriate for your house before deciding on the size of your boiler. Depending on the amount of space you have available and the sort of boiler system you presently have, there are a variety of different boiler types, each of which has unique advantages and efficiency. 

The 3 main types of boilers include: 

Combi boilers - these heat hot water as and when it’s needed, so no hot water is stored. 

Conventional boilers - these use hot and cold water storage tanks to heat your water.

System boilers - these work by taking water directly from the mains and heating it in a storage cylinder for use in your home.

The best way to know what size boiler you need is to ask a qualified heating engineer, at Greenside Smart Heating, we are here to help with any boiler questions you may have, please get in touch with our team by viewing our contact details down below. 

Speak to a qualified heating engineer

At Greenside Smart Heating, we are Gas Safe registered, so you can be assured that you are in safe hands with us. Our highly knowledgeable team will be happy to guide you through choosing the right boiler size for you and your home and offer professional boiler installation services. Simply get in touch by calling us on 07506 544773 and we will be happy to help.