This Viessmann Vitodens 111-W boiler review spotlights a wall-hung storage combi boiler with an integrated hot water cylinder, ideal for UK homes needing strong, on-demand hot water without extra tanks, blending German engineering with practical efficiency for homeowners and landlords.
Viessmann Vitodens 111-W Boiler Review: At a Glance
| Aspect | Details |
| Boiler Type | Wall-hung storage combi (gas) |
| Outputs Available | 25kW, 35kW |
| Efficiency | Up to 98% (ErP A-rated) |
| Integrated Cylinder | 46L stainless steel |
| Hot Water Flow Rate | Up to 18 l/min |
| Dimensions (H x W x D) | 900 x 600 x 480 mm |
| Warranty | 5 years standard (extendable to 10 years with system filter) |
| Estimated Supply Cost | £1,800–£2,500 |
| Estimated Installed Cost | £3,000–£4,500 |
| Maintenance & Servicing | Annual Gas Safe service; easy access panels and self-diagnostic display |
| Trustpilot (Brand) | 4.3/5 from over 5,300 reviews |
| Which? (Brand) | 5/5 for reliability and customer satisfaction |
| Best Suited For | Medium to large homes, 2-3 bathrooms, high hot water needs |
| Key Features | MatriX-Plus burner, Inox-Radial heat exchanger, weather compensation, app control |
The Viessmann Vitodens 111-W stands out as a compact wall-hung storage combi boiler, combining heating and hot water storage in one unit for properties with higher demands but limited space.
Pros and Cons
Pros:
- Exceptional hot water supply for multi-bathroom homes without separate tanks.
- High efficiency cuts bills and emissions effectively.
- Durable stainless steel build resists corrosion in hard water areas.
- User-friendly app and touchscreen for simple control.
- Quiet operation suits family living spaces.
Cons:
- Higher upfront price compared to basic combis.
- Larger size may limit installation spots.
- Cylinder adds weight, requiring sturdy walls.
Viessmann Vitodens 111-W Efficiency
Efficiency in the Vitodens 111-W peaks at 98% with its advanced condensing system and MatriX-Plus burner, which optimise fuel burn for minimal waste and low emissions. This makes it a top choice for reducing energy bills in UK homes with consistent hot water usage.
Viessmann Vitodens 111-W Specs
Specs for the 111-W include outputs of 25kW or 35kW, supporting up to 20 radiators, with a 46L integrated cylinder providing rapid recovery times for hot water. Its wall-hung design saves floor space, weighing around 68kg with dimensions suited to utility rooms or kitchens.
Viessmann Vitodens 111-W Features and Technology
Features and technology encompass a 7-inch colour touchscreen for easy navigation, ViCare app for remote monitoring and adjustments, and built-in weather compensation that tweaks output based on outdoor conditions. The Inox-Radial stainless steel heat exchanger ensures durability, while low NOx emissions meet eco standards.
Viessmann Vitodens 111-W: Cost of the Unit
Cost of the unit ranges from £1,800 for the 25kW model to £2,500 for 35kW, reflecting premium components like the stainless steel cylinder and advanced burner.
Cost with Installation
Cost with installation adds £1,200–£2,000 for Gas Safe fitting, including potential pipework or flue modifications, bringing totals to £3,000–£4,500 depending on property layout.
Running Costs
Running costs leverage the 98% efficiency to keep annual gas expenses around £900–£1,300 for a three-bedroom home, with savings amplified by modulation and quick cylinder reheat for frequent hot water draws.
Viessmann Vitodens 111-W: Which? and Trustpilot Ratings
Which? and Trustpilot ratings position Viessmann strongly, with 5/5 for reliability in Which? surveys praising the 111-W’s performance; Trustpilot shows 4.3/5 from over 5,300 users, highlighting consistent heating and support.
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Is the Viessmann Vitodens 111-W Boiler Right for You?
The Viessmann Vitodens 111-W boiler fits homes with elevated hot water needs. Here’s how to evaluate its suitability.
Choose the Viessmann Vitodens 111-W boiler if…
- Your property has multiple bathrooms requiring instant, ample hot water.
- Space-saving integrated storage appeals without a separate cylinder.
- Premium efficiency and app control suit your eco-focused lifestyle.
- Long warranties and durable build provide value for landlords.
Don’t choose the Viessmann Vitodens 111-W boiler if…
- Budget favours cheaper standard combi models.
- Your home has low hot water demands or limited wall space.
- Simpler controls without advanced tech are preferred.
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FAQs
How Does the Cylinder Reheat Time Compare to Traditional Systems?
The 46L cylinder reheats in about 10-15 minutes, faster than many indirect cylinders due to direct integration with the powerful burner.
What Smart Home Integrations Does the 111-W Support?
It pairs with Alexa or Google Assistant via ViCare, enabling voice commands for temperature adjustments and energy reports.
Can the 111-W Handle Low-Pressure Water Supplies?
Its design maintains performance in low-pressure areas, with the cylinder ensuring consistent flow without external pumps.
What Anti-Corrosion Measures Are in the Stainless Steel Components?
The Inox-Radial exchanger uses a self-cleaning effect from condensate flow, reducing buildup and extending service intervals.
How Does Weather Compensation Function in Practice?
Sensors detect outdoor changes and modulate output proactively, preventing over-heating and saving up to 5% on fuel in mild weather.
I’m Penny North, a home energy heating expert. My mission is to demystify new boilers and complex heating systems to help you achieve a warm, cosy home with lower energy bills and a smaller environmental footprint.