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Ariston CLAS SYSTEM ONE 24 boiler

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Plumbproud rating

80.67%

Ariston CLAS SYSTEM ONE 24 System Gas boiler

We have determined a rating of 80.67% for this Ariston CLAS SYSTEM ONE 24 System boiler using the PlumbProud quality benchmarking system. Factors used to score a boiler include its energy performance, how much it costs to run, the installation price, and how long the manufacturer's guarantee lasts.

We would anticipate that this Ariston CLAS SYSTEM ONE 24 System boiler would cost you £1,900 fully installed through PlumbProud provided that the fitting is standard and with no complications.

For professional advice on whether the Ariston CLAS SYSTEM ONE 24 is the right boiler for your home or to receive a free quotation, please call 01604 343053 to speak to our friendly team. You are also welcome to email us by clicking here or you can enter your postcode into the quotation box on this page.


Installed price around

£1,900

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Ariston CLAS SYSTEM ONE 24 System Gas boiler frequently asked questions

Ariston CLAS SYSTEM ONE 24 - a combi boiler, system boiler or regular boiler?

Suitable for a house or a flat, the Ariston CLAS SYSTEM ONE 24 system boiler is worth considering if you want a system boiler.

For homes that have a higher-than-average demand for hot water and heating and for larger properties, system boilers are a more suitable option than the more popular combi boilers.

Combi boilers heat water on demand but the amount of water they can actually deliver to taps is determined by the mains water pressure, flow rate and power. System boilers instead use a hot water cylinder that stores and keeps water hot throughout the day. As long as you remember to program the times you want hot water and the cylinder still has water left in it, you should have hot water whenever you need it.

And, unlike heat only boilers that also require a cold water storage tank to work (normally fitted in the loft), system boilers don't, meaning they're quicker, easier and cheaper to install.

Is the Ariston CLAS SYSTEM ONE 24 system boiler suitable for my house or apartment?

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 CLAS SYSTEM ONE 24 system boiler has an output rate of 24 kW, so which types of property would this be suitable for?

A PlumbProud boiler engineer would almost certainly recommend that this Ariston CLAS SYSTEM ONE 24 System boiler is most suitable for medium-sized homes and larger apartments with 10-15 radiators and two bathrooms.


How big is the Ariston CLAS SYSTEM ONE 24?

The Ariston CLAS SYSTEM ONE 24 measures TBC mm in height and has a width of TBC mm and a depth of TBC mm.

Is the Ariston CLAS SYSTEM ONE 24 a condensing or non-condensing boiler?

We strongly recommend that you choose a condensing boiler like the Ariston CLAS SYSTEM ONE 24 - the technology is improving every year so the newer the boiler, the better.

A condensing boiler captures and recycles the warmth still present in flue exhaust gases and water vapour condensation into heat, allowing it to perform more efficiently on tasks like heating the colder water returning from your radiators.

They also offer significant annual savings on household gas bills as well as being more environmentally friendly.

How energy efficient is the Ariston CLAS SYSTEM ONE 24 system boiler?

Price and performance are two important issues when choosing a boiler but now, for many people in the UK, so is the environmental impact of how we heat our homes and its effect on climate change.

The heating of our homes accounts for 14% of the UK's greenhouse gas emissions. Especially in the big cities, gas boilers are responsible for dangerous levels of nitrogen dioxide emissions.

If you decide to install a Ariston CLAS SYSTEM ONE 24 system in your home, will you be helping the environment with your choice? Let’s have a look at the figures.

The energy efficiency rating for a boiler describes the amount of energy it uses and wastes during operation and there are two different ways to measure it.

All boilers manufactured and supplied in the UK must have a SEDBUK rating of “A” subject to a minimum energy efficiency score of 92% or above. Before April 2018, the minimum energy efficiency score was 88% (88/89% = "B" SEDBUK rating, 90%+ = "A" SEDBUK rating).

The Ariston CLAS SYSTEM ONE 24 scored an efficiency rating of 90% and a SEDBUK band rating of A.

What warranty do I get if I purchase the Ariston CLAS SYSTEM ONE 24 boiler?

The Ariston CLAS SYSTEM ONE 24 boiler is provided with a parts and labour warranty lasting 8 years.


Ariston CLAS SYSTEM ONE 24 Gas System boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating90%
Band ratingA
LPG Compatible?Yes
P/L Warranty8 Years
Output in kW24 kW
MountingWall

The top 10 rated Gas System boilers

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

1Vaillant ecoTEC Plus 61295.72%
2Vaillant ecoTEC Plus 61595.20%
3Vaillant ecoTEC Plus 61894.37%
4Vaillant ecoTEC Plus 62493.33%
5Worcester Bosch Greenstar i System 9i92.89%
6Vaillant ecoTEC Plus 63092.75%
7Worcester Bosch Greenstar 4000 12kW92.50%
8Vaillant ecoTEC Exclusive IQ 62792.42%
9Vaillant ecoFIT Pure 61292.38%
10Vaillant ecoFIT Pure 61592.36%

Combi boilers

Choose from the UK’s biggest range of combis

Heat only boilers

The ideal boiler perfect for the largest homes

System boilers

Ideal for 3+ bedroom, 2+ bathroom homes

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Ariston CLAS SYSTEM ONE 24 boiler

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Ariston CLAS SYSTEM ONE 24 System Gas boiler

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  2. Ariston CLAS SYSTEM ONE 24
Plumbproud rating for this boiler
80.67%

Our PlumbProud quality scoring system uses many different factors, such as price installed, manufacturer guarantees, energy efficiency and the likely cost of running, among others, to determine a boiler's value for money rating. This Ariston CLAS SYSTEM ONE 24 System boiler scores 80.67%.

We would expect this Ariston CLAS SYSTEM ONE 24 System boiler to cost £1,900 fully installed through PlumbProud, although it will cost more if the fit is complicated. We will provide you with a full quote before starting work, however.

For advice on whether this Ariston CLAS SYSTEM ONE 24 System boiler is suitable for your home or to receive a free quotation on theAriston Ariston CLAS SYSTEM 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
£1,900

Get your free quote

Ariston CLAS SYSTEM ONE 24 Gas System boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating90%
Band ratingA
LPG Compatible?Yes
P/L Warranty8 Years
Output in kW24 kW
MountingWall

Ariston CLAS SYSTEM ONE 24 System Gas boiler frequently asked questions

Is the Ariston CLAS SYSTEM ONE 24 a system boiler, a combi boiler or a regular boiler?

The Ariston CLAS SYSTEM ONE 24 is a system boiler you may wish to consider if you want this type of boiler for your house or flat.

System boilers are very popular for properties with limited or no loft space or when homeowners want to keep the space for a loft conversion. This is because, unlike heat only boilers, they don’t require a cold-water tank - however, system boilers do need a hot water cylinder (often installed in an airing or landing cupboard).

Instead of the traditional cold-water tanks, system boilers use their built-in circulating pumps to heat the water needed for your taps and radiators. This also makes them an easier choice for engineers to install as there is one less large component to find space for and fit.

Like a regular boiler, you need to use a control panel to control a system boiler. Set the times when you want central heating and hot water to be available, such as in the morning when there might be greater demand for showers, and it will be there. Although hot water is not available on-demand like with a combi boiler, once the water has been heated it will stay in the hot water cylinder until it’s used up.

Should I install a Ariston CLAS SYSTEM ONE 24 system boiler in my home?

Whether this Ariston CLAS SYSTEM ONE 24 System boiler is right for where you live depends on its size or "output" level. Size does not mean its physical dimensions - it means how powerful it is.

The output level of a boiler tells you how much power it has to heat the water coming from your taps and warming up your radiators. The higher the output level, the greater the volume of water it can heat up.

If the output (measured in kilowatts) is too high, you'll pay higher gas bills and your water will be piping hot. Too low and the water coming out of your taps and being fed into your radiators will often be lukewarm.

The Ariston CLAS SYSTEM ONE 24 system outputs at a maximum of 24 kW, so which types of property would this Ariston CLAS SYSTEM ONE 24 System boiler be appropriate for?

To most boiler engineers, the Ariston CLAS SYSTEM ONE 24 system CLAS SYSTEM ONE would be most suitable for medium-sized homes and larger apartments with 10-15 radiators and two bathrooms.


Making space for the Ariston CLAS SYSTEM ONE 24

The Ariston CLAS SYSTEM ONE 24 is TBC mm in height, TBC mm in width and TBC mm in depth.

Is the Ariston CLAS SYSTEM ONE 24 a non-condensing or condensing boiler?

We recommend the Ariston CLAS SYSTEM ONE 24 as it is a modern condensing gas boiler from a trusted manufacturer with a reputation for supplying highly energy-efficient boilers.

Condensing boilers capture the heat still present in water vapour condensation and flue exhaust gases and recycle it back into the heating system. With this extra energy, your boiler can, among other tasks, reheat colder water coming back from your radiators without having to burn more gas.

Condensing boilers significantly reduce your quarterly gas costs and they're better for the environment.

Is the Ariston CLAS SYSTEM ONE 24 system environmentally friendly?

With more and more of us concerned about environmental issues and climate change, how we heat our homes has become an important issue to many homeowners.

About 14% of the greenhouse gases we produce in the UK come from the power needed for central heating. In bigger British cities, gas boilers are a significant source of nitrogen dioxide emissions.

Would choosing the Ariston CLAS SYSTEM ONE 24 system boiler be an environmentally friendly decision? Here's what the figures say.

The energy efficiency rating for a boiler describes the amount of energy it uses and wastes during operation and there are two different ways to measure it.

All boilers manufactured and supplied in the UK must have a SEDBUK rating of “A” subject to a minimum energy efficiency score of 92% or above. Before April 2018, the minimum energy efficiency score was 88% (88/89% = "B" SEDBUK rating, 90%+ = "A" SEDBUK rating).

The Ariston CLAS SYSTEM ONE 24 scored an efficiency rating of 90% and a SEDBUK band rating of A.

Does the Ariston CLAS SYSTEM ONE 24 system boiler come with a warranty?

Ariston offers a parts and labour warranty of 8 years on the Ariston CLAS SYSTEM ONE 24.


The top 10 rated Gas System boilers

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

1Vaillant ecoTEC Plus 61295.72%
2Vaillant ecoTEC Plus 61595.20%
3Vaillant ecoTEC Plus 61894.37%
4Vaillant ecoTEC Plus 62493.33%
5Worcester Bosch Greenstar i System 9i92.89%
6Vaillant ecoTEC Plus 63092.75%
7Worcester Bosch Greenstar 4000 12kW92.50%
8Vaillant ecoTEC Exclusive IQ 62792.42%
9Vaillant ecoFIT Pure 61292.38%
10Vaillant ecoFIT Pure 61592.36%
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