Eco Happy (Solar Expert)

Published February 8, 2024

When it comes to finding the perfect boiler for your home, you want something that can provide reliable heating and hot water while keeping your energy bills low.

Viessmann boilers, with their German engineering and energy-efficient technology, are an excellent choice for homeowners seeking quality and performance.

With this advice, we’ll explore the world of Viessmann boiler models, their advantages, costs, and how they compare to other brands. Let’s get started!

Viessmann Boilers – Summary

  • Viessmann is a German family-owned company that specialises in providing premium residential gas boilers.
  • Their models are known for their superior performance, reliability and energy efficiency with features such as built-in shock arrestors and Inox-Radial heat exchangers.
  • Viessmann boilers offer competitive prices, extended warranties, high customer satisfaction rates & energy savings of up to 35%.

Who is Viessmann?

Before you buy a Viessmann boiler, you may want to know a bit more about who they are and what they do to really give you an indication of their energy-efficient and reliable boilers.

Viessmann is a German family-owned company renowned for manufacturing premium residential gas boilers for both commercial and residential use, with a significant presence in the UK market.

Their boilers are known for their superior performance, reliability, and energy efficiency, making them an excellent choice for homeowners looking to reduce energy bills and protect the environment.

Types of Viessmann Boilers

Viessmann provides a range of gas boilers, including combi boilers, open vent boilers, and storage boilers, suitable for various property sizes and heating requirements in the UK.

One popular type of boiler is the combi boiler, a single unit that provides both heating and hot water simultaneously, making it an efficient and space-saving solution for many homes.

System boilers, on the other hand, feature a storage tank and are capable of providing high-pressure hot water for multiple taps and showers across a property, ensuring an efficient supply of heat and hot water through a reliable heating system.

Regular (open-vent) boiler systems are ideal for households with multiple bathrooms, as they can provide a large quantity of hot water simultaneously.

Viessmann Boiler Models

Along with different types of boilers, Viessmann has different models of boilers designed for a range of hot water demands and how much you want to spend.

Viessmann offers a range of boiler models, each designed to cater to different needs and preferences. Some of the most popular models include the Viessmann Vitodens 100-W System Boiler, the Viessmann Vitodens 111-W Combi Boiler, and the Viessmann Vitodens 050-W.

These models are known for their built-in shock arrestors, weather compensation, and an Inox-Radial heat exchanger for improved efficiency and energy savings.

Here is a detailed overview of a few Viessmann boiler models that will be of interest.

Viessmann Vitodens 100-W combi boiler

The Viessmann Vitodens 100-W combi boiler is an award-winning, energy-efficient boiler suitable for most homes, with a user-friendly interface and compact design. Available in 26kW, 30kW, and 35kW sizes, this boiler has an energy efficiency rating ranging from 92 to 94 per cent.

The Vitodens 100-W is designed with user-friendliness in mind, featuring wall-mounting and multiple power outputs.

The Vitodens 100-W has earned the Which? Best Buy status in the annual satisfaction survey, as well as the prestigious Which? Best Buy status for two consecutive years.

This recognition highlights the boiler’s exceptional quality, performance, and customer satisfaction.

Viessmann Vitodens 050-W

The Viessmann Vitodens 050-W is an entry-level combi boiler known for its:

  • Quiet and ultra-compact design, measuring 707 mm in height and 400 mm in width
  • Energy efficiency rating of A
  • Reliable performance at an affordable price
  • Compact size, making it suitable for installation in confined spaces, such as kitchen cupboards.

The Vitodens 050-W offers homeowners:

  • Cost-effective and efficient heating solution
  • Quiet operation
  • Durable construction
  • Performance and reliability

It is a popular choice for UK homes due to all these benefits.

Viessmann Vitodens 200-W

The Viessmann Vitodens 200-W is a high-end combi boiler that boasts advanced features and a colour LCD touchscreen display and has been awarded a ‘Which?’ Best Buy.

Among its advanced features are the MatriX Plus burner and the Viessmann MatriX cylinder burner with Lambda Pro Plus, the industry’s first intelligent combustion management system.

This boiler offers:

  • Excellent energy efficiency, with a 1:19 modulation ratio
  • Compact dimensions (450mm in width, 700mm in height, and 360mm in depth) suitable for installation in various spaces
  • Advanced features and technology for superior performance and reliability.

The Advantages of Choosing a Viessmann Boiler

Now that we have gone through some of the different models available to homeowners, we can list off some of the advantages of going with a Viessmann boiler.

Viessmann boilers offer numerous advantages, such as energy efficiency, German engineering, and smart technology integration. With efficiency ratings of up to 98% on select models, Viessmann boilers can help homeowners save on energy bills and reduce their carbon footprint.

In addition, their German engineering ensures high-quality and reliable performance. Finally, their compatibility with smart thermostats allows easy control and energy management.

Energy Efficiency

Viessmann gas condensing boilers are rated energy efficiency class A, achieving efficiency of up to 98%. This high efficiency allows them to convert a large portion of the fuel they consume into heat, resulting in lower energy waste and reduced energy costs.

Viessmann’s advanced condensing technology further enhances their energy efficiency, offering homeowners the potential to save up to 35% on energy costs, making them a more efficient choice.

Aside from their impressive efficiency ratings, Viessmann boilers also feature built-in shock arrestors, weather compensation, and Inox-Radial heat exchangers to improve efficiency and energy savings.

These features make Viessmann boilers an excellent choice for homeowners looking to reduce their energy bills and environmental impact.

German Engineering

German engineering is renowned for its quality and dependability, and Viessmann boilers are no exception. Their superior construction, high-quality production in Germany, and utilisation of long-lasting materials such as Inox-Radial ensure the quality and performance of Viessmann boilers.

Viessmann’s commitment to German engineering is evident in their best-in-class stainless steel heat exchanger for durability and efficient heat transfer.

By incorporating German engineering principles and efficiency standards, Viessmann boilers provide homeowners with reliable heating solutions that are built to last.

Smart Technology Integration

Viessmann boilers are equipped with smart technology, providing convenient control and energy management. They are compatible with a range of smart technology, such as:

  • Smart thermostats
  • Home automation systems
  • Energy monitoring systems
  • Weather compensation controls

Integrating a Viessmann boiler with smart technology offers several advantages, including:

  • Remote control
  • Energy efficiency
  • Proactive maintenance
  • Integration with other smart devices

By combining their energy-efficient boilers with smart technology, Viessmann provides homeowners with a seamless and convenient heating solution that utilises not only the heat generated from additional heat energy but also gives homeowners a clear indication of the status of their boilers with a range of technologies.

Viessmann Boiler Cost and Installation

Now for one of the most important things about buying a new boiler, which is the cost of it. As homeowners, you won’t want to spend a lot of money on a boiler that isn’t efficient and doesn’t meet your demands.

While Viessmann boilers are known for their quality and performance, they are also competitively priced in the UK market.

The cost of a Viessmann boiler can vary depending on the model and installation, but by utilising a reliable installer service, you can ensure that you get the best possible price and service for your new boiler.

Viessmann Boiler Prices

The price of a Viessmann boiler depends on the specific model and installation requirements, with prices typically ranging from £760 to £3,100. While this may be higher than some other brands, it’s essential to consider the quality, efficiency, and reliability of a Viessmann boiler when comparing prices.

Remember, the boiler’s price doesn’t usually include installation costs, which can vary based on the complexity of the installation and any additional work required.

To find the most competitive prices for Viessmann combi boilers, we recommend using a verified installer service that offers up to 3 free, non-binding quotes.

Viessmann Boiler Installation

The process for installing a Viessmann boiler can vary depending on the model and installation requirements. For a professional and efficient installation, consult the manufacturer’s installation instructions or hire a professional installer familiar with Viessmann boilers.

Viessmann boiler installers must possess a Gas Safe Certificate and, in some cases, an MCS (Microgeneration Certification Scheme) certification for heat pump installations.

Opting for a certified installer for your Viessmann boiler guarantees that all components are installed and functioning correctly, ensuring the longevity and reliability of your boiler.

The average installation time for a Viessmann boiler is typically 1-2 days, depending on the complexity of the installation and any additional work required.

Viessmann Boiler Warranty

Getting a boiler installed in your home is a long-term investment, with many boilers lasting 10-15 years. This is what boiler warranties can help with and why many of them are as long as they are.

Viessmann offers up to a 10-year warranty on their boilers, giving homeowners peace of mind in their investment. This warranty covers the repair or replacement of components within the boiler that have manufacturing defects, ensuring that your boiler continues to operate efficiently and reliably.

To maintain the warranty’s validity, ensure your Viessmann boiler is serviced annually by a qualified professional.

Regular servicing not only ensures that your warranty remains valid but it also helps to keep your boiler in optimal condition, reducing the likelihood of breakdowns and costly repairs.

Comparing Viessmann Boilers to Other Brands

When considering a new boiler, it’s helpful to compare Viessmann boilers to other popular brands in the market, such as Worcester Bosch, Vaillant, and Baxi.

The following paragraphs will compare these brands’ differences and similarities, aiding you in deciding which boiler is optimal for your home.

Viessmann vs Worcester Bosch

Viessmann and Worcester Bosch are both renowned for their reliable and efficient boilers. Here are some key differences between the two brands:

  • Viessmann boilers are typically more costly due to the use of stainless steel components, but they offer superior quality and durability.
  • Worcester Bosch boilers usually use aluminium components, which makes them more affordable but slightly less durable than Viessmann boilers.
  • Viessmann boilers are typically quieter and more efficient than their Worcester Bosch counterparts.

Both brands have received excellent customer satisfaction ratings on Trustpilot, with Viessmann at 4.5 out of 5 and Worcester Bosch at 4.6 out of 5.

When comparing the warranty periods, Viessmann provides a 10-year warranty with additional upgrade options, while Worcester Bosch usually offers a 2-year guarantee, which can extend up to 12 years.

Viessmann vs Vaillant

Viessmann and Vaillant are both known for their high-quality boilers, but there are some differences between the two brands. Viessmann boilers boast a higher efficiency rating of up to 98%, providing increased energy savings over Vaillant boilers.

In terms of price, Vaillant boilers tend to be more cost-effective than Viessmann boilers, with a difference in price ranging from £300-£400.

When comparing smart technology integration, both brands provide high-quality smart technology options, though the exact features may differ.

Overall, both Viessmann and Vaillant offer reliable and efficient boilers, but Viessmann may be a more budget-friendly option without sacrificing performance.

Viessmann vs Baxi

Viessmann and Baxi boilers both offer reliable heating solutions for homeowners. Here are some key differences between the two:

  • Viessmann boilers offer better quality and efficiency.
  • Baxi provides more affordable models.
  • Viessmann boilers have energy efficiency ratings ranging from 93% to 97%.
  • Baxi boilers have ratings of 89% or lower.

Baxi boilers seem to cost less than Viessman boilers, with the cost difference ranging from £200-£500, depending on the boiler model.

Choosing between Viessmann and Baxi ultimately depends on your budget and preference for quality and efficiency.

Customer Reviews for Viessmann

If you still aren’t sure about Viessmann after all of this, then see what other people say about them! Reviews will often give you a brilliant idea of how trustworthy and reliable a boiler brand is.

Customer reviews for Viessmann boilers are generally positive. Homeowners praise the efficiency, quiet operation, and extended warranty of Viessmann boilers.

The overall satisfaction rate among Viessmann gas boiler owners is 83%, reflecting the brand’s commitment to providing quality and reliable heating solutions.

These reviews offer useful perspectives on the performance and reliability of Viessmann boilers, assisting potential buyers in making a decision.

Getting a Viessmann Boiler – Our Verdict

With this guide, you should be a bit more informed about Viessmann and that Viessmann boilers are an excellent choice for homeowners seeking high-quality, energy-efficient heating solutions.

With their German engineering, advanced features, and smart technology integration, Viessmann boilers offer superior performance and reliability.

While their prices may be higher than some other brands, the long-term savings on energy bills and the peace of mind provided by their extended warranty make Viessmann boilers a worthwhile investment.

Frequently Asked Questions

Is Viessmann better than Worcester boiler?

Whether or not you prefer Viessmann or Worcester Bosch boilers is up to you, as both are known as some of the best and most popular boiler brands in the UK and Europe.

Some may prefer Viessmann as they don’t use plastic or aluminium heat exchangers like Worcester Bosch, and they are renowned for their internal components.

Is Viessmann better than Vaillant?

Overall, Viessmann is a bigger and more recognised brand compared to Vaillant, but each has its pros and cons.

This means whichever manufacturer is better is for you to decide.

How long should a Viessmann boiler last?

A Viessmann boiler is a reliable investment that can last for up to 15 years, depending on factors like the amount of use, make and model, and servicing.

The optimal lifespan for most boilers is around 15-20 years, with some warranties lasting up to 10 years.

Why are Viessmann boilers so expensive?

Viessmann boilers are expensive due to their commitment to high-quality boiler design and engineering, using components such as stainless steel heat exchangers manufactured in-house.

This increases the cost but ensures a longer boiler lifespan and reliability.

You should also consider that many Viessmann boilers can be up to 98 per cent efficient, which can also help you save money in the long run.

What is the average cost of a Viessmann boiler?

The average cost of a Viessmann boiler ranges from £760 to £3,100.

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