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Viessmann Vitodens 100 W 16kW boiler

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Plumbproud rating

93.02%

Viessmann Vitodens 100-W 16kW heat only Gas boiler

Our PlumbProud boiler quality benchmark tests score this Viessmann Vitodens 100-W 16kW heat only boiler at 93.02%. Several factors go into determining our rating including installation costs, manufacturer guarantees, energy efficiency, running costs, and more.

This Viessmann Vitodens 100-W 16kW heat only boiler will cost around £2,000 fitted through PlumbProud where there are no complications during the installation.

If you would like to get in touch with us for a free quote and professional guidance and advice on whether the Viessmann Vitodens 100-W 16kW is the right choice for your home, you can do so by entering your postcode in the quote boxes on this page, calling us on 01604 343053 or you can click here to email us.


Installed price around

£2,000

GET A COMPETITIVE BOILER QUOTE

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Viessmann Vitodens 100-W 16kW heat only Gas boiler frequently asked questions

Is the Viessmann Vitodens 100-W 16kW a combi, system or regular boiler?

The Viessmann Vitodens 100-W 16kW is an option you may wish to consider if you’re looking for a heat only boiler for your house or flat.

Large family homes and properties with more than one bathroom benefit most from installing a heat only boiler (also referred to as a conventional boiler, a standard boiler or a regular boiler). Heat only boilers require both a cold water tank and hot water cylinder and an immersion heater. The immersion heater heats and keeps the water warm and feeds hot water to taps, radiators and other sources via the boiler.

Tell your boiler the times and days when you want hot water and central heating and it'll be there waiting for you. However, if you forget and there's no hot water left in your tank, you'll have to wait up to an hour before it's ready.

The biggest benefit of a heat only boiler is that, unlike a combi boiler, it’s possible to run two taps with hot water at the same time with no drop in pressure, volume or temperature (a known issue with combi boilers). It also means you can shower and have the dishwasher running at the same time without your water pressure being affected.

Is a Viessmann Vitodens 100-W 16kW heat only the right boiler for my house or flat?

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

The amount of hot water you get from showers, bathrooms, and sinks and heat from your radiators depends on your boiler's output (measured in kilowatts). The higher the level of output, the better your home will be heated and you can be more certain that the water from your taps will be as hot as you want.

However, you must be careful. You might not get the hot water you want if your boiler output is too low. If it's too high, you'll be paying more than you need to for gas.

With the Viessmann Vitodens 100-W 16kW heat only's output at 16 kW, which types of property would this Viessmann Vitodens 100-W 16kW heat only boiler be most appropriate for?

An experienced heating engineer would say that this Viessmann Vitodens 100-W 16kW heat only boiler's level of output makes it a suitable installation for smaller homes and apartments with up to 10 radiators and one bathroom.


Making space for the Viessmann Vitodens 100-W 16kW

The Viessmann Vitodens 100-W 16kW is 600 mm high by 375 mm wide by 285 mm deep.

Is the Viessmann Vitodens 100-W 16kW condensing or non-condensing?

The Viessmann Vitodens 100-W 16kW is a condensing gas boiler - in fact, we recommend that you select this model or one of the latest condensing boilers on the market as the technology continues to improve over time.

Condensing boilers capture the heat still present in the flue exhaust gases and water vapour condensation created when the gas is burned and they recycle this back into the heating system to warm up the cold water re-entering the boiler from your radiators.

They're much more environmentally friendly and installing one results in much lower annual gas bills.

Is the Viessmann Vitodens 100-W 16kW heat only 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.

With central heating being responsible for 14% of greenhouse gas emissions in the UK, your choice of boiler matters. Gas boilers are also responsible for the significant atmospheric volumes of dangerous nitrogen dioxide emissions in larger British cities.

Would choosing a Viessmann Vitodens 100-W 16kW heat only help the environment? Let’s see what the performance figures suggest.

Boilers manufactured or supplied to UK domestic properties must achieve a legal minimum energy efficiency rating of 92% (equivalent to a good "A" grade using the SEDBUK scale). Prior to this, the minimum was 88% (88% and 89% are a "B" SEDBUK grade and anything 90% or above is an "A" grade).

The energy efficiency rating of a boiler refers to the amount of energy it uses to perform its everyday functions as well as the amount of energy it wastes.

The Viessmann Vitodens 100-W 16kW has been given a rating of 94% for energy efficiency, equivalent to a SEDBUK "A" rating.

The Energy Related Products Directive (ERP) came into force in 2015. This legislation was introduced to encourage manufacturers to create more energy-efficient products and it covers all products that consume energy during their lifetimes, including energy used during production and at the point of disposal.

The ERP assessors assigned a rating of "A" when testing the Viessmann Vitodens 100-W 16kW.

Is this Viessmann Vitodens 100-W 16kW heat only covered by a warranty?

On the Viessmann Vitodens 100-W 16kW, the manufacturer offers a parts and labour warranty of 5 years.


Viessmann Vitodens 100-W 16kW Gas heat only boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating94%
Band ratingA
LPG Compatible?No
P/L Warranty5 Years
Output in kW16 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 16kW boiler

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Viessmann Vitodens 100-W 16kW heat only Gas boiler

  1. Home
  2. Viessmann Vitodens 100-W 16kW
Plumbproud rating for this boiler
93.02%

On the PlumbProud boiler quality benchmark scoring system, we have rated this Viessmann Vitodens 100-W 16kW heat only boiler at 93.02%. Ratings are determined by considering a number of important factors including the energy efficiency, price installed, warranty length, and running costs of the boiler.

Provided the proposed installation is straightforward, we would anticipate that this Viessmann Vitodens 100-W 16kW heat only boiler will cost £2,000 fully installed through PlumbProud.

Get a free quote on the Viessmann Vitodens 100-W 16kW boiler and advice on whether this is the right choice for your home by entering your postcode in the quote box on this page, clicking here to email us, or giving us a call at 01604 343053.


Installed price guideline
£2,000

Get your free quote

Viessmann Vitodens 100-W 16kW Gas heat only boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating94%
Band ratingA
LPG Compatible?No
P/L Warranty5 Years
Output in kW16 kW
Height600 mm
Width375 mm
Depth285 mm
MountingWall
ERP HeatA

Viessmann Vitodens 100-W 16kW heat only Gas boiler frequently asked questions

What kind of boiler is the Viessmann Vitodens 100-W 16kW - standard, combi or system?

The Viessmann Vitodens 100-W 16kW boiler could be suitable for your house or flat if you are looking for a new heat only boiler.

Heat only boilers (often referred to as standard boilers, regular boilers or conventional boilers) need both a hot water cylinder and a cold water tank to work. The hot water cylinder heats and keeps warm the water you need and is normally installed in either a utility room or attic. The cold water tank holds water which it passes to the hot water cylinder depending on how you've programmed your boiler.

When you program a heat only boiler, you set the times and days when you want central heating and hot water to be available. However, if you don't remember to program your boiler and there's no water left in the hot water cylinder, you may have to wait up to an hour for hot water to come out of your taps.

Heat only boilers can cope with the demand for hot water from multiple taps and sources around your home simultaneously. That's why they're better for larger homes than combi boilers - combi boilers struggle when more than one hot tap is turned on. This is because they have a maximum capacity of water they can heat and distribute at any one time, meaning water pressure, temperature and volume to each tap drops.

Is the Viessmann Vitodens 100-W 16kW heat only suitable for my house or flat?

Whether this Viessmann Vitodens 100-W 16kW 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.

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 Viessmann Vitodens 100-W 16kW heat only outputs at a maximum of 16 kW, so which types of property would this Viessmann Vitodens 100-W 16kW heat only boiler be appropriate for?

Most Gas Safe engineers would suggest that the most suitable type of property for installing a Viessmann Vitodens 100-W 16kW heat only boiler would be smaller homes and apartments with up to 10 radiators and one bathroom.


Viessmann Vitodens 100-W 16kW dimensions

The size of the Viessmann Vitodens 100-W 16kW boiler is 600 mm tall, 375 mm wide, and 285 mm deep.

Is the Viessmann Vitodens 100-W 16kW a condensing or non-condensing boiler?

We recommend that you select a condensing boiler like the Viessmann Vitodens 100-W gas Viessmann Vitodens 100-W 16kW for your home if possible because of the environmental benefits and the money you'll save on your gas bills.

Condensing boilers are much more energy-efficient than older, non-condensing models as they capture and recycle the heat still present in the water vapour condensation and flue exhaust gases that your boiler creates when burning gas for reuse.

How energy efficient is the Viessmann Vitodens 100-W 16kW heat only?

As more of us become concerned by the effects of climate change, the damage we do to the environment by heating our homes has emerged as an important issue for many homeowners.

14% of the UK’s greenhouse gas production comes from central heating. In the bigger cities, gas boilers in particular are responsible for dangerous levels of nitrogen dioxide emissions.

Would choosing a Viessmann Vitodens 100-W 16kW heat only help the environment? Let’s see what the performance figures suggest.

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 Viessmann Vitodens 100-W 16kW was rated at 94% with a SEDBUK grading of "A".

All products that consume energy throughout their lifespan must comply with the Energy Related Products (ERP) Directive.

Companies are legally obliged to reduce harmful gas emissions at all stages of a product's life cycle, from initial manufacturing right through to final disposal as well as when the product is in actual use.

The Viessmann Vitodens 100-W 16kW scores "A".

Am I covered if my Viessmann Vitodens 100-W 16kW heat only boiler breaks down?

The manufacturer offers a parts and labour warranty of 5 years on the Viessmann Vitodens 100-W 16kW boiler to new customers.


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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