Viessmann vs Worcester Bosch
Viessmann
Worcester Bosch
Average Price
£1,550
Viessmann
£1,350
Worcester Bosch
Energy Efficiency
95.7%
Viessmann
94.3%
Worcester Bosch
Warranty
10.2 years
Viessmann
9.5 years
Worcester Bosch
Customer Rating
4.7/5
Viessmann
4.8/5
Worcester Bosch
Viessmann vs Worcester Bosch: Summary
When comparing Viessmann and Worcester Bosch boilers, several key differences emerge. Viessmann, established in 1917, offers boilers with an average efficiency of 95.7% at an average price of £1,550. Meanwhile, Worcester Bosch boilers average 94.3% efficiency at £1,350.
Viessmann boilers come with an average warranty of 10.2 years, compared to Worcester Bosch's 9.5 years. Customer satisfaction ratings show Worcester Bosch ahead at 4.8/5, while reliability scores give Viessmann a slight edge.
Both manufacturers offer smart control compatibility and produce boilers suitable for different property types. Viessmann is based in Germany, while Worcester Bosch originates from United Kingdom.
Detailed Comparison
Who Should Choose Viessmann
- Those prioritizing energy efficiency and lower utility bills
- Tech-savvy homeowners wanting smart home integration
- Homeowners looking for efficient combi boilers
Who Should Choose Worcester Bosch
- Homeowners valuing customer satisfaction and after-sales support
- Those planning to stay in their home long-term
- Homeowners wanting access to a wide network of approved installers
- Those looking for a boiler with exceptional reliability
Popular Boiler Models
Viessmann Popular Models
| Model | Type | Efficiency | Price |
|---|---|---|---|
| Vitodens 050 | Combi | 93.0% | £950 |
| Vitodens 100W Open Vent | Regular | 94.0% | £1,000 |
| Vitodens 200 | System | 98.0% | £1,900 |
Worcester Bosch Popular Models
| Model | Type | Efficiency | Price |
|---|---|---|---|
| Greenstar 4000 | Combi | 94.0% | £1,200 |
| Greenstar CDi Classic | Combi | 93.5% | £1,300 |
| Greenstar Heatslave II | Combi | 90.0% | £2,500 |
| Greenstar Ri | Regular | 94.0% | £950 |
| Greenstar 8000 | System | 95.0% | £1,700 |
Approved Installers
Viessmann Installers
BOXT
Premium Partner
Hometree
Certified Partner
Worcester Bosch Installers
Homeserve
Accredited Installer
British Gas
Platinum Partner
Efficiency & Running Costs
A more efficient boiler can significantly reduce your heating bills. Based on average UK gas prices and a typical 3-bedroom house:
Viessmann
Average Efficiency
95.7%
Estimated Annual Running Cost
£1,179
Based on average UK gas usage
Potential Annual Savings vs. Old Boiler (80% Efficient)
£197
Worcester Bosch
Average Efficiency
94.3%
Estimated Annual Running Cost
£1,196
Based on average UK gas usage
Potential Annual Savings vs. Old Boiler (80% Efficient)
£182
Customer Reviews & Testimonials
Viessmann Owner Reviews
"Viessmann boilers offer excellent reliability. We've had ours for 3 years with no issues. The efficiency is great and it's quiet in operation."
John D. - Vitodens 050 Owner
"Installation was straightforward and the smart controls make it easy to manage heating. Customer service is responsive when needed."
Sarah T. - Vitodens 100W Open Vent Owner
Worcester Bosch Owner Reviews
"Worcester Bosch boilers offer excellent reliability. We've had ours for 3 years with no issues. The efficiency is great and it's quiet in operation."
John D. - Greenstar 4000 Owner
"Installation was straightforward and the smart controls make it easy to manage heating. Customer service is responsive when needed."
Sarah T. - Greenstar CDi Classic Owner
Frequently Asked Questions
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