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Difference Between Combination Boilers and Condensing Boilers

any people are confused about combination boilers, condensing boilers, and condensing combination boilers. Many think that both of the boilers are the same, but there is a huge difference between them. Today I am going to give the complete details of combination boilers, condensing boilers, and condensing combi boilers and differentiate them.

Combination boilers

These are the boilers that provide heat without the use of any hot water tank. They don’t require any water tank in your storeroom, which saves lots of space in your house. Generally, combi boilers are wall-mounted boilers, which can be mounted on any wall in your house. They occupy very little space in your house. They can be fitted in your kitchen cupboards.

They use the technology which heats the water instantly and gives you a comfortable shower or hot water in your house. By heating the water instantly, these types of boilers save the energy and money which is generally wasted for heating a tank of water that is not used. Most of the modern-day combination boilers are 90% energy efficient, saving energy, environment, and energy bills.

The main advantages of using combination boilers for your homes are

  • Suitable for small houses and flats
  • By using them you get instant hot water at a required pressure giving you the warm water in your shower and taps
  • The main advantage of using combi boilers is that they are very easy to install and don’t cause much disturbance
  • By using them in your house, you can save all the space which is generally occupied by hot want tank
  • Most of the boilers are 90% energy efficient, saving your energy bills and environment

Even with many advantages, there are some disadvantages, they are

  • Combi boilers are not suitable for a house with more than 2 or more bathrooms
  • They are more expensive when compared to other heating boilers
  • Another major disadvantage is that: when 2 taps are opened then the water flow drops which may annoy you

Condensing boilers

These are the most energy-efficient boilers presently available in the market. These types of boilers are 93% energy efficient saving your energy bills and saving the environment. They use the similar technology used in conventional boilers, but the main difference is that condensing boilers reduces the heat from the flue gases from approximately 300 degrees to 50 degrees, condensing out the vapor produced by combustion of the fuels. In condensing boilers the heat exchanger is a bit larger or there may be a second heat exchanger that hunts down the heat which is not recovered by the main heat exchanger.

By using the second heat exchanger or large exchanger they become more energy-efficient than conventional boilers. Generally condensing is 93% energy efficient whereas conventional boilers are only 78%. But the main disadvantage of condensing boilers over conventional boilers is the price. They are about £300 – £400 more expensive than conventional boilers.

Condensing Combination boilers

Condensing combination boiler is a mixer of condensing and combination boilers. It uses both technologies of condensing and combi becoming the most energy-efficient boilers in the market at the moment. They don’t require any hot water tank or cylinder-like condensing boilers. But the main disadvantage of using them is its price. They are more expensive than condensing boilers.

The best selling condensing combination boilers in the present market are Vaillant combi boilers, Worcester combi boilers, Ariston Combi boilers, Glow-Worm Combi boilers, Ideal combi boilers, Baxi Combi boilers and many more.

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