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Viessmann Vitodens 100 W 26kW boiler

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Plumbproud rating

92.44%

Viessmann Vitodens 100-W 26kW heat only Gas boiler

On the PlumbProud boiler quality benchmark scoring system, we have rated this Viessmann Vitodens 100-W 26kW heat only boiler at 92.44%. Ratings are determined by considering a number of important factors including the energy efficiency, price installed, warranty length, and running costs of the boiler.

We estimate that this Viessmann Vitodens 100-W 26kW heat only boiler will cost £2,000 fully installed through PlumbProud provided that the fit is straightforward.

To contact us, please enter your postcode in the quote boxes on this page, click here to email us, or give us a call on 01604 343053. We can provide you with a free quote on the Viessmann Vitodens 100-W 26kW boiler and offer professional advice and guidance on whether this Viessmann Vitodens 100-W 26kW heat only boiler is the right choice for your home.


Installed price around

£2,000

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Viessmann Vitodens 100-W 26kW heat only Gas boiler frequently asked questions

Is this Viessmann Vitodens 100-W 26kW boiler a combi, system or regular boiler?

Looking for a gas heat only boiler for your flat or house? Then the Viessmann Vitodens 100-W 26kW may be an option you should consider.

You may hear a heat only boiler described as a standard boiler, a regular boiler, or a conventional boiler but the terms mean the same. Heat only boilers require a hot water cylinder (usually stored in a landing or airing cupboard) and a cold water storage tank (usually stored in the loft) to operate. Your water is kept warm by the hot water cylinder throughout the day.

A heat only boiler lets you schedule the hot water and central heating you want for set times of the day. However, you'll have to wait before having a bath or shower if you forget to set it and there's no hot water left in the tank.

If you have a bigger family or more than one bathroom, a heat only boiler is a better option than a combi boiler in many cases. This is because a combi boiler struggles to maintain water volume, pressure and temperature to multiple points in a home simultaneously.

Is a Viessmann Vitodens 100-W 26kW heat only boiler suitable for my apartment or house?

Whether this Viessmann Vitodens 100-W 26kW heat only 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.

A boiler’s output is a measurement of the amount of power it can use to provide hot water to your taps and radiators. The higher its output rate, the more water it can heat.

If your new boiler’s output is too low, your hot water might not be as hot as you want it to be. If it's too high, you’ll be paying more for gas than you need to.

The output of the Viessmann Vitodens 100-W 26kW heat only boiler is 26 kW, so which types of property would this be appropriate for?

An experienced Gas Safe engineer would say that this Viessmann Vitodens 100-W 26kW heat only boiler's level of output makes it suitable for installing in larger properties including detached homes with 15 or more radiators and two or more bathrooms.


Viessmann Vitodens 100-W 26kW - size in millimetres

The Viessmann Vitodens 100-W 26kW has the following dimensions - 600 mm high, 375 mm wide, and 285 mm deep.

Vitodens 100-W 26kW – non-condensing or condensing?

We recommend that you choose a condensing boiler wherever possible like the Viessmann Vitodens 100-W 26kW - try to go for the latest model, if possible, to take advantage of improving technology.

Condensing boilers capture and recycle the warmth still present in the water vapour condensation and in flue exhaust emissions created by burning gas to make them more efficient and economical to run.

You will save money on your gas bills too, plus condensing boilers are friendlier to the environment.

How does the Viessmann Vitodens 100-W 26kW heat only boiler rate environmentally?

With growing concern among the public about accelerating climate change, how we heat our homes and the impact this has on the environment has become a major topic of concern for many homeowners.

Gas boilers are responsible for dangerous atmospheric levels of nitrogen dioxide emissions in Britain's biggest cities and, overall, 14% of the UK’s greenhouse gases are produced by our domestic central heating systems.

Will installing a Viessmann Vitodens 100-W 26kW heat only in your home be a positive contribution to the environment? The figures below will tell you more.

The energy efficiency rating of the Viessmann Vitodens 100-W 26kW is 94% with a SEDBUK band rating of "A".

Energy efficiency tests record how much energy is wasted on non-core functions during an operation.

By law, all boilers manufactured and supplied in the UK must have a minimum energy efficiency performance level of 92% (equivalent to a SEDBUK "A" grade). Up to April 2018, the minimum performance level was 88% (88% and 89% are equivalent to a SEDBUK "B" grade and 90%+ an "A" grade).

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

The Viessmann Vitodens 100-W 26kW has an ERP rating of "A".

How long is the warranty period on the Viessmann Vitodens 100-W 26kW heat only boiler?

A parts and labour warranty of 5 years is included with the Viessmann Viessmann Vitodens 100-W 26kW boiler.


Viessmann Vitodens 100-W 26kW Gas heat only boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating94%
Band ratingA
LPG Compatible?Yes
P/L Warranty5 Years
Output in kW26 kW
Height600 mm
Width375 mm
Depth285 mm
MountingWall
ERP HeatA

The top 10 rated Gas heat only boilers

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

1Vaillant ecoTEC Plus 41596.51%
2Vaillant ecoTEC Plus 41895.45%
3Vaillant ecoFIT Pure 41294.82%
4Vaillant ecoTEC Plus 42494.77%
5Vaillant ecoFIT Pure 41594.23%
6Vaillant ecoTEC Plus 43094.23%
7Worcester Bosch Greenstar Ri 12Ri94.18%
8Worcester Bosch Greenstar Ri 15Ri93.93%
9Worcester Bosch Greenstar Ri 18Ri93.26%
10Vaillant ecoFIT Pure 41893.11%

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Viessmann Vitodens 100 W 26kW boiler

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Viessmann Vitodens 100-W 26kW heat only Gas boiler

  1. Home
  2. Viessmann Vitodens 100-W 26kW
Plumbproud rating for this boiler
92.44%

This Viessmann Vitodens 100-W 26kW heat only boiler has been rated at 92.44%. Our PlumbProud boiler quality rating system uses price installed, energy efficiency, likely running costs, the manufacturer's warranty and other factors to determine the rating we give.

This Viessmann Vitodens 100-W 26kW heat only boiler will cost approximately £2,000 supplied and fully installed through PlumbProud assuming that there are no unexpected complications during the fitting.

Please enter your postcode in the quote boxes on this page, email us, or call us on 01604 343053 to get a free quote and guidance on whether the Viessmann Vitodens 100-W 26kW boiler is the right choice for your home.


Installed price guideline
£2,000

Get your free quote

Viessmann Vitodens 100-W 26kW Gas heat only boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating94%
Band ratingA
LPG Compatible?Yes
P/L Warranty5 Years
Output in kW26 kW
Height600 mm
Width375 mm
Depth285 mm
MountingWall
ERP HeatA

Viessmann Vitodens 100-W 26kW heat only Gas boiler frequently asked questions

What kind of boiler is the Viessmann Vitodens 100-W 26kW - standard, combi or system?

Looking for a gas heat only boiler for your house or flat? If you are, the Viessmann Vitodens 100-W 26kW boiler may be worth considering.

If your home has more than one bathroom or you have a large family that uses a lot of hot water, a heat only boiler (sometimes called a regular boiler, a conventional boiler or a standard boiler) is likely to be the best option for you. Heat only boilers require both a hot water or immersion cylinder and a cold water tank. Once the water in the cylinder is heated, you can use this hot water throughout the day and it can feed multiple taps and showers at the same time.

This is in contrast to a combi boiler which can only heat a limited amount of water at any one time. This can cause a problem if two or more taps and showers are being used simultaneously as the temperature, pressure and volume to all points will drop.

Heat only boilers allow you to program the times that you wish heat and hot water to be available. However, if you forget to do this and the immersion cylinder is empty, you may have to wait up to an hour before hot water becomes available again.

If your property already has a water tank and cylinder, it will nearly always be cheaper to replace like for like and not choose a different type of boiler. In addition to new pipework, you may need to replace older radiators that may be unable to cope with the higher water pressure delivered by other types of boiler.

Is the Viessmann Vitodens 100-W 26kW heat only boiler a suitable option for my house or flat?

It's best to choose a boiler whose size or "output" is right for your home.

The more hot water and heat you want, the higher the output level of your boiler should be. Output is measured in kilowatts and it describes the maximum level of power your boiler has to heat water.

If your output level is too low, your boiler will not have the power it needs to get your water as hot as you want it, particularly when there's a lot of demand for it. Choose a boiler whose output level is too high and you'll have all the hot water you need but will be paying too much for it through higher gas bills.

Which types of property would this Viessmann Vitodens 100-W 26kW heat only boiler be appropriate for given its output of 26 kW?

Most experienced Gas Safe engineers would likely recommend that, at this level of output, this Viessmann Vitodens 100-W 26kW heat only boiler would be a suitable choice for larger properties including detached homes with 15 or more radiators and two or more bathrooms.


Viessmann Vitodens 100-W 26kW size

The Viessmann Vitodens 100-W 26kW is 600 mm in height, 375 mm in width and 285 mm in depth.

Is the Viessmann Vitodens 100-W 26kW a non-condensing or condensing boiler?

Condensing boilers convert the warmth present in flue exhaust gases and water vapour condensation into heat which they then recycle to increase the temperature of the colder water returning to your system.

We recommend that homeowners choose a condensing boiler like the Viessmann Vitodens 100-W 26kW for this reason - the more recent your model the better because the technology improves every year.

You'll benefit from lower quarterly gas bills and condensing boilers are also much more environmentally friendly.

Is the Viessmann Vitodens 100-W 26kW heat only boiler environmentally friendly?

How we heat our homes and the damage this does to the environment has become a pressing concern for many homeowners worried about the effects and impact of climate change.

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 installing a Viessmann Vitodens 100-W 26kW heat only boiler in your home help combat climate change? What do the figures suggest?

All boilers manufactured after April 2018 in the UK must be rated as an “A” on the SEDBUK grading system, subject to a minimum energy efficiency rating of 92% or above. Before that, the minimum rate was 88% - boilers with an energy efficiency of 88% or 89% were given a “B” rating. Boilers scoring 90% or more were given an "A" rating.

The energy efficiency rating for a boiler describes the amount of energy it uses and how much goes to waste in operation.

The Viessmann Vitodens 100-W 26kW has an efficiency rating of 94% with a SEDBUK grade of "A".

The Energy Related Products (ERP) directive is Europe-wide legislation designed to reduce harmful gas emissions at all points of a product's life cycle - from the production process to its actual end use right through to final disposal.

The Viessmann Vitodens 100-W 26kW has a rating of "A".

How long am I covered by the warranty for if the Viessmann Vitodens 100-W 26kW breaks down?

The Viessmann Vitodens 100-W 26kW boiler is provided with a parts and labour warranty lasting 5 years.


The top 10 rated Gas heat only boilers

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

1Vaillant ecoTEC Plus 41596.51%
2Vaillant ecoTEC Plus 41895.45%
3Vaillant ecoFIT Pure 41294.82%
4Vaillant ecoTEC Plus 42494.77%
5Vaillant ecoFIT Pure 41594.23%
6Vaillant ecoTEC Plus 43094.23%
7Worcester Bosch Greenstar Ri 12Ri94.18%
8Worcester Bosch Greenstar Ri 15Ri93.93%
9Worcester Bosch Greenstar Ri 18Ri93.26%
10Vaillant ecoFIT Pure 41893.11%
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