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Ariston E COMBI ONE 24 boiler

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Plumbproud rating

79.85%

Ariston E-COMBI ONE 24 Combi Gas boiler

In our PlumbProud quality testing, this Ariston E-COMBI ONE 24 Combi boiler scores 79.85%. We determine our rating based on a number of different factors including installation costs, manufacturer guarantees, energy efficiency, and operating costs.

On a straightforward installation of this make of boiler using PlumbProud, you should expect to budget around £1,600.

Wondering if the Ariston E-COMBI ONE 24 is the right boiler for your home? Then speak to a professional here by getting in touch via email or call us on 01604 343053. You can also get a free quote by entering your postcode in the box on the page.


Installed price around

£1,600

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Ariston E-COMBI ONE 24 Combi Gas boiler frequently asked questions

What type of boiler is the Ariston E-COMBI ONE 24?

You might want to consider the Ariston E-COMBI ONE 24 for your house or flat if you are looking for a combi boiler.

In the past, most boilers needed one or more storage tanks to operate - one to store warm water and the other for storing water to be heated later. But storage tanks are problematic in properties where space is at a premium and particularly where there is no loft. Many properties in the UK are small and so manufacturers introduced combi boilers in the 1970s to eliminate the need for tanks.

With a combi boiler, the hot water for your radiators and taps is delivered on demand. The boiler instantly heats water it draws directly from the mains internally. It then distributes the heated water around your home at mains pressure as you need it.

It is important to bear in mind that, while combi boilers have many benefits, they can only heat a certain volume of water at any given time. This means that, if you run a shower at the same time as someone else is doing the washing up in the kitchen, the volume of water passing to each point will drop, causing a fall in pressure.

Is the Ariston E-COMBI ONE 24 combi boiler from the E-COMBI ONE range a suitable choice for my house or flat?

It's best to choose a boiler whose size or "output" is right for your property. With boilers, however, size does not mean how big a boiler is, it means how much power it has.

A boiler’s output indicates the amount of power it can use when heating the water which it then sends to your taps and radiators. The higher the output rate, the more water it can heat.

If a boiler’s output is too low, there will be times when your hot water might not be as hot as you want it to be. If it is too high, you’ll likely be paying more than you need to for your gas.

Measured in kilowatts, the Ariston E-COMBI ONE 24 combi's output level is 22 kW, so which types of property would this Ariston E-COMBI ONE 24 Combi boiler be an appropriate choice for?

Most boiler engineers would recommend that a boiler with this output level would be most suitable for smaller homes and apartments with up to 10 radiators and one bathroom.

Please remember to consider "flow rates" as well when choosing your new boiler. All combi boilers including the Ariston E-COMBI ONE 24 draw water from the mains.

Each combi boiler has its own flow rate (measured in litres per minute) - this tells you how much water it can heat and distribute to your home’s taps and radiators straight from the mains. This Ariston E-COMBI ONE 24 Combi boiler's flow rate is 12 L/m.

There is no benefit to you in choosing a combi with a high flow rate if your mains pressure is low - save money by buying a boiler whose flow rate is equal to or slightly more than the pressure in your water pipes.

In addition, if you have a lot of radiators and bathrooms in your home or you have a large household that often uses lots of hot water at the same time, like for regular morning and evening showers, a combi boiler may not be suitable.

When our engineer comes out to quote you, they may recommend that you choose a heat only boiler or system boiler instead if your family's demand for hot water is higher than normal.


What size is the Ariston E-COMBI ONE 24 boiler?

The dimensions of the Ariston E-COMBI ONE 24 are TBC mm tall, TBC mm wide, and TBC mm deep.

Is the Ariston E-COMBI ONE 24 condensing or non-condensing?

The Ariston E-COMBI ONE 24 boiler is a condensing gas boiler and we recommend that you select one of the latest models if possible.

Condensing boilers reduce homeowners' gas bills and are better for the environment. They do this by capturing and recycling the heat still present in the flue exhaust gases and water vapour condensation produced when boilers burn gas to generate the power they need to operate.

Is the combi Ariston E-COMBI ONE 24 boiler energy efficient?

Concern for the environment is causing more and more homeowners to think about how they heat their homes and its impact on climate change.

In the largest cities of Britain, gas boilers are responsible for dangerous levels of atmospheric nitrogen dioxide emissions. In total, 14% of the UK’s greenhouse gases are produced by central heating systems.

Will installing a Ariston E-COMBI ONE 24 combi be a positive contribution to the environment? Let's see what the experts say.

All boilers manufactured in the UK from April 2018 must achieve a SEDBUK “A” grade and an energy efficiency rating of 92% or above. Before that, the minimum was 88% - efficiency ratings of 88% and 89% were scored a “B” and 90%+ an "A".

A boiler's energy efficiency rating describes how much energy it uses and wastes during its standard operation.

The energy efficiency of the Ariston E-COMBI ONE 24 was rated at 94% with a SEDBUK grading of "A".

The Energy Related Products Directive intends to encourage all manufacturers to reduce the harmful gas emissions associated with the products they make, from the manufacturing stage to final disposal, including when they are in active use.

The Ariston E-COMBI ONE 24 has an ERP rating of "A" for heat and "A" for hot water.

What warranty do I get if I purchase the Ariston E-COMBI ONE 24 boiler?

A parts and labour warranty of 2 years is included with the Ariston Ariston E-COMBI ONE 24 boiler.


Ariston E-COMBI ONE 24 Gas Combi boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating94%
Band ratingA
LPG Compatible?Yes
P/L Warranty2 Years
Output in kW22 kW
MountingWall
Flow rate12 L/m
ERP HeatA
ERP WaterA

The top 10 rated Gas Combi boilers

Using the Plumbproud scoring system, the current 10 ten Gas Combi boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 82593.35%
2Vaillant ecoTEC Plus 83292.98%
3Worcester Bosch Greenstar 2000 25kW92.89%
4Viessmann Vitodens 050-W 29kW92.66%
5Vaillant ecoTEC Plus 83592.60%
6Worcester Bosch Greenstar CDi Compact 2892.57%
7Vaillant ecoFIT Pure 82592.39%
8Vaillant ecoTEC Plus 83892.16%
9Vaillant ecoTEC Exclusive IQ 83591.90%
10Vaillant ecoTEC Pro 2491.77%

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Ariston E COMBI ONE 24 boiler

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Ariston E-COMBI ONE 24 Combi Gas boiler

  1. Home
  2. Ariston E-COMBI ONE 24
Plumbproud rating for this boiler
79.85%

Using factors such as price installed, manufacturer guarantees, energy efficiency and the likely cost of running, among others, this model has been rated as scoring 79.85% on the PlumbProud boiler benchmarking system.

On a straightforward installation of this make of boiler using PlumbProud, you should expect to budget around £1,600.

For advice on whether this Ariston E-COMBI ONE 24 Combi boiler is suitable for your home or to receive a free quotation on theAriston Ariston E-COMBI ONE 24, please call 01604 343053 to speak to one of our team. Alternatively, click here to email us or enter your postcode into the quotation box on this page.


Installed price guideline
£1,600

Get your free quote

Ariston E-COMBI ONE 24 Gas Combi boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating94%
Band ratingA
LPG Compatible?Yes
P/L Warranty2 Years
Output in kW22 kW
MountingWall
Flow rate12 L/m
ERP HeatA
ERP WaterA

Ariston E-COMBI ONE 24 Combi Gas boiler frequently asked questions

Which category of boiler does the Ariston E-COMBI ONE 24 fit into?

If you are searching for a combi boiler for your house or flat, the Ariston E-COMBI ONE 24 is certainly one to consider.

Combination or combi boilers are highly efficient and save a lot of space in your home. Combi boilers heat water directly from the mains when you turn on a tap and, as a result, you don’t need a hot water storage cylinder or a cold water tank in the roof space.

These boilers are, therefore, suitable for smaller homes and especially those without a loft. They are also cost-effective as the water is heated instantly and distributed on demand rather than being stored. Combi boilers are the most popular type of boilers in the UK and replacing an older boiler with a new combi boiler will reduce your gas bills significantly.

However, there are downsides to this type of boiler. If you take a shower while someone else is using a tap, less water will reach each point of usage at lower rates of pressure and temperatures as combi boilers can only heat a certain volume of water at any given time.

Is a Ariston E-COMBI ONE 24 combi boiler suitable for my apartment or house?

To determine that, we need to consider the size of the boiler. Size doesn't mean how big it is - it means how big its "output" is.

Your boiler's output indicates the maximum amount of power available to it to heat the water you need to warm your radiators or when you want hot water from your taps. A higher output rate means that your boiler is capable of heating greater volumes of water.

If a boiler's output rate is too low, you'll often find that the water is not as hot as you want it to be. Too high, however, and you'll end up paying more for your gas than you should be.

The Ariston E-COMBI ONE 24 combi boiler has an output rate of 22 kW, so which types of property would this be suitable for?

A PlumbProud heating engineer would recommend that this Ariston E-COMBI ONE 24 Combi boiler is suitable for smaller homes and apartments with up to 10 radiators and one bathroom.

Flow rates are important when choosing a combi boiler as well as output rates.

A combi boiler's flow rate (measured in litres per minute) describes how much water it can instantly heat then distribute to the taps and radiators in your home - you will need to factor this into your decision on a new combi boiler. This Ariston E-COMBI ONE 24 Combi boiler's flow rate is 12 L/m.

If you have a lot of radiators and bathrooms in your home and there's lots of demand within your household for hot water at the same time (like morning or evening showers and baths), you'll need a boiler with a high flow rate.

However, it's not quite that simple. If your local mains water pressure is low, you're not going to gain any benefit from choosing a combi boiler with a high flow rate because that higher flow rate doesn't mean it can draw more water from the mains pipes.
When our engineer comes out to quote you, they may recommend that you choose a heat only boiler or system boiler instead if your family's demand for hot water is higher than normal.


The size of the Ariston E-COMBI ONE 24 in millimetres

Ariston’s E-COMBI ONE 24 is TBC mm tall, TBC mm wide, and TBC mm deep.

Is the Ariston E-COMBI ONE 24 non-condensing or condensing?

The Ariston E-COMBI ONE 24 is a condensing gas boiler - we’d strongly recommend that you choose the very latest condensing model for your home.

Condensing boilers run on either gas or oil and are manufactured specifically to improve energy efficiency. They do this by capturing and recycling the warmth present in flue exhaust gases and water vapour condensation into more usable heat the system can use, meaning they're far more efficient and cost less to run.

How energy efficient is the Ariston E-COMBI ONE 24 combi?

More and more homeowners are aware of the importance of how we heat our homes and its impact on climate change and other environmental issues.

Central heating creates 14% of the UK’s greenhouse gases. And in Britain's larger cities, gas boilers are responsible for dangerous levels of nitrogen dioxide emissions.

Will installing a Ariston E-COMBI ONE 24 combi in your home be a positive contribution to the environment? The figures below will tell you more.

Boilers manufactured in the UK must be tested and, by law, achieve an energy efficiency rating of 92% or above, equivalent to a SEDBUK "A" grade. Most boilers achieve an "A" rating meaning they are at least 88% efficient.

The energy efficiency of a boiler indicates the amount of energy it uses (and wastes) during operation.

The Ariston E-COMBI ONE 24 has been assigned an efficiency rating of 94% with a SEDBUK rating of "A".

The Energy Related Products Directive (ERP) intends to reduce the amount of energy consumed by individual products over their entire lifetime, from the initial manufacturing process to final disposal and at all points in between.

The legislation is designed to encourage manufacturers to create products that are more environmentally friendly and which result in a reduction in harmful gas emissions.

The ERP rating for the Ariston E-COMBI ONE 24 is "A" for heat and "A" for hot water production.

How long is the warranty period on the Ariston E-COMBI ONE 24 combi boiler?

The Ariston E-COMBI ONE 24 is supplied with a parts and labour warranty of 2 years.


The top 10 rated Gas Combi boilers

Using the Plumbproud scoring system, the current 10 ten Gas Combi boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 82593.35%
2Vaillant ecoTEC Plus 83292.98%
3Worcester Bosch Greenstar 2000 25kW92.89%
4Viessmann Vitodens 050-W 29kW92.66%
5Vaillant ecoTEC Plus 83592.60%
6Worcester Bosch Greenstar CDi Compact 2892.57%
7Vaillant ecoFIT Pure 82592.39%
8Vaillant ecoTEC Plus 83892.16%
9Vaillant ecoTEC Exclusive IQ 83591.90%
10Vaillant ecoTEC Pro 2491.77%
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