The Viessmann Vitodens 100-W combines premium German engineering with smart features at a mid-range price point of £950-£1,150 (£1,800-£2,500 installed). You'll get impressive 94% efficiency, WiFi control through the ViCare app, and a generous 10-year warranty that's extendable to 12 years. Its compact size and self-cleaning heat exchanger make it a practical choice for most homes. While it costs more upfront than some competitors, the advanced features and long-term reliability make it worth considering for your next boiler upgrade.
Key Takeaways
- The Viessmann Vitodens 100-W costs between £950-£1,150, with total installation costs ranging from £1,800 to £2,500.
- Features a high 94% energy efficiency rating and advanced MatriX-Plus burner technology for optimal performance.
- Includes a standard 10-year warranty (extendable to 12 years) and built-in WiFi for smartphone control via ViCare app.
- Compact dimensions of 700 x 400 x 350mm make it space-efficient, while the Inox-Radial heat exchanger ensures reliable operation.
- Professional installation is mandatory, with free quote comparison available from Gas Safe registered installers.
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Viessmann Vitodens 100-W Conventional Boiler Overview
The Viessmann Vitodens 100-W stands as a powerhouse in modern heating technology, combining German engineering with user-friendly features.
You'll appreciate its stainless steel Inox-Radial heat exchanger, which delivers reliable performance for years to come.
At just 38kg and with compact dimensions (700 x 400 x 350mm), this wall-mounted boiler won't eat up your valuable space.
The built-in WiFi interface lets you control your heating from your smartphone through the ViCare app – perfect for those chilly mornings when you don't want to leave your bed!
You're covered with a generous 10-year warranty, which you can extend to 12 years through select installers.
Plus, with front access for maintenance and a user-friendly LCD touchscreen, you'll find this A-rated boiler remarkably simple to operate and maintain.
Viessmann Vitodens 100-W Conventional Boiler Performance and Efficiency
Moving beyond its impressive design features, let's look at what really sets this boiler apart – its outstanding performance metrics.
You'll be pleased to know the Vitodens 100-W is a real efficiency champion, boasting a remarkable 94% energy efficiency rating. With its MatriX-Plus cylinder burner and Lambda Pro Plus technology, you're getting top-tier performance whether you're using natural gas or propane.
| Feature | Specification |
|---|---|
| Energy Rating | A-rated |
| Efficiency | 94% |
| Heat Output | 26kW |
| Turn-down Ratio | 10:1 |
| NOx Emissions | <20 ppm |
The boiler's Inox-Radial heat exchanger isn't just durable – it's self-cleaning too! And with its ability to handle up to 20% hydrogen content in natural gas, you're already set for future fuel changes. Think of it as future-proofing your home's heating system while saving on energy bills today.
Viessmann Vitodens 100-W Conventional Boiler Pros and Cons
When evaluating any major home investment, weighing the pros and cons becomes essential for making a well-informed decision.
You'll appreciate the Vitodens 100-W's impressive 94% efficiency rating and its space-saving compact design – perfect if your utility cupboard isn't exactly palatial. The 10-12 year warranty offers peace of mind, while the smart WiFi controls let you adjust your heating from the comfort of your sofa.
However, there are some trade-offs to reflect on. The initial price tag might make your wallet wince compared to some competitors, and you'll need a professional installation – no DIY weekend projects here!
Some users have reported occasional WiFi connectivity hiccups, and if you're not tech-savvy, you might need a bit of time to master all those smart features.
How Does The Viessmann Vitodens 100-W Conventional Boiler Compare To Similar Models From Other Manufacturers?
Comparing today's leading boiler brands can feel like trying to choose between smartphone models – they all promise impressive specs and features.
When you look at the Viessmann Vitodens 100-W alongside its competitors, some key differences emerge.
- Viessmann's stainless steel heat exchanger outperforms Worcester Bosch's aluminium version in durability.
- At 92% efficiency, it's more efficient than the Baxi 400's 89% rating.
- The 10-year standard warranty beats Vaillant's typical 2-5 year coverage.
- Its built-in Wi-Fi and hydrogen-ready status put it ahead of most competitors.
You'll find the Vitodens 100-W matches or exceeds similar models in most categories that matter.
While Worcester Bosch and Vaillant make excellent boilers, Viessmann's combination of efficiency, durability, and warranty coverage makes it a standout choice for most homes.
Our boiler comparison guide provides detailed insights across all major manufacturers and models.
How Much Does A Viessmann Vitodens 100-W Conventional Boiler Cost?
Although budget concerns often dominate boiler decisions, you'll find the Viessmann Vitodens 100-W sits comfortably in the mid-range price bracket.
The unit costs range from £950 for the 26kW combi model to £1,150 for the more powerful 35kW version.
When you factor in installation, you're looking at a total cost between £1,800 and £2,500, depending on your specific requirements.
Don't forget that factors like boiler location and flue needs can impact the final price.
If you're watching your pennies, you might want to take into account the entry-level Vitodens 050-W at £800.
However, the 100-W's higher efficiency and reliability often make it worth the extra investment.
Viessmann Vitodens 100-W Conventional Boiler Warranty and Service Support
The Viessmann Vitodens 100-W comes with one of the most extensive warranty packages you'll find in today's boiler market. With proper registration, you'll get a standard 10-year warranty that covers your residential boiler.
To keep your warranty valid and your boiler running smoothly, you'll need to:
- Register your product online within 60 days of installation
- Have a Viessmann-trained professional handle the installation
- Schedule annual maintenance checks
- Keep detailed service records of all maintenance work
If you ever need technical support, Viessmann's got your back with their TechInfo centre. You can reach them Monday through Friday from 8:30 AM to 7:30 PM Eastern Time, and they'll help you with any questions or concerns about your boiler.
They even offer support via text if you're not much of a phone person.
Final Verdict
Based on extensive testing and real-world performance data, we confidently recommend the Viessmann Vitodens 100-W as a top-tier choice for modern homes.
You'll appreciate the impressive 94% efficiency rating and whisper-quiet operation that'll keep your energy bills in check. The built-in WiFi and user-friendly touchscreen interface make controlling your heating as easy as checking your social media.
What really sets this boiler apart is its future-ready design, with the MatriX-Plus burner already certified for up to 20% hydrogen content. That's like buying a smartphone that's ready for next year's apps!
With consistent Which? Best Buy awards and outstanding user ratings, you're getting a reliable workhorse that won't let you down.
At £1,292-£2,592, it's a smart investment that'll serve you well for years to come.
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