Boiler Breakdown: Types, Uses, and What’s Best for Your Home

For many UK households, boilers are an essential component, ensuring warmth and comfort during those chilly months. However, with a plethora of options available, selecting the perfect one can be overwhelming.

In this article, we’ll discuss various boiler types, their uses, and provide insights to assist you in making an informed decision for your home.

Types of Boilers

Types of Boilers

1. Combi Boilers (Combination Boilers)

The most popular choice in UK homes, combi boilers provide instant hot water and heating without the need for a separate tank. These boilers heat water directly from the mains when a tap is turned on, ensuring limitless hot water on demand.


  • Space-saving due to the absence of a cylinder or tank.
  • Instantaneous hot water.


  • Might not be efficient for homes with multiple bathrooms, as they can struggle with multiple simultaneous demands.

2. System Boilers

System boilers require a cylinder for storing hot water, but the major heating and hot water components are built into the boiler itself. They’re a middle-ground between combi boilers and regular boilers.


  • Provides a steady flow to multiple taps.
  • No need for a tank in the loft.


  • Space is needed for the hot water cylinder.

3. Regular Boilers (Conventional or Heat Only)

These boilers necessitate both a cylinder and a tank. Regular boilers are best suited for homes with an older radiator system.


  • Can handle multiple hot water needs simultaneously.
  • Suitable for homes with older radiator systems.


  • Requires space for both a cylinder and a tank.

Uses of Boilers in a Home

Uses of Boilers in a Home
  • Central Heating: Boilers play a pivotal role in central heating systems. They heat water that circulates through pipes, leading to radiators in various rooms. This process warms up the surroundings, keeping your home snug.
  • Hot Water: Apart from heating, boilers also supply hot water for baths, showers, and taps. Depending on the type, you might get instantaneous water or store it in a cylinder for use.
  • Underfloor Heating: Some modern homes are now opting for underfloor heating systems. These systems require boilers to heat water that circulates under the floor, providing an even and comfortable warmth.

What’s Best for Your Home?

What's Best for Your Home

Choosing the right boiler largely depends on the size of your home, your hot water needs, and available space.

  1. For Small Homes or Flats: Combi boilers are ideal for homes with limited space and a single bathroom. They’re efficient and negate the need for extra storage tanks or cylinders.
  2. For Medium to Large Homes: If your house has more than one bathroom, a system boiler might be more suitable. They can handle simultaneous hot water demands, ensuring no one has a cold surprise in the shower!
  3. For Older Properties: If you live in a house with an older radiator system, a regular boiler might be the best fit. They’re designed to operate with older systems and can efficiently handle the demands.

Making the Decision Easier

Boiler Breakdown

When you’re on the hunt for a new boiler, consider professional advice. Services like iHeat can provide invaluable guidance, ensuring you get a boiler that’s a perfect fit for your home.

In Conclusion

Boilers are the unsung heroes of our homes, providing warmth and hot water at our beck and call. Understanding the different types and their benefits can simplify the decision-making process. Whether you opt for a combi, system, or regular boiler, ensuring it matches your home’s demands will guarantee efficiency and comfort.

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