Vaillant Boiler Review
Vaillant is one of Europe's leading heating technology manufacturers, known for premium quality and innovation in the heating industry. Founded in Germany, they pioneered the "combi" boiler and continue to lead in developing smart heating controls and renewable energy solutions. Vaillant boilers are known for their whisper-quiet operation and exceptional build quality.
Customer Satisfaction
Average Price
Established
Vaillant History
Vaillant combination boilers are dedicated to offering reliable heating solutions for domestic use. Combination boilers heat water directly from the mains water supply, which bypasses the need for a large, space consuming water tank. Vaillant combi boilers are easy to operate and their efficiency lowers energy bills and reduces harmful CO2 gasses.Vaillant combi boilers are environmentally friendly and are A rated under SEDBUK (Seasonal Efficiency in Domestic Boilers in the United Kingdom) guidelines, which means that they are more than 90% efficient. Outputs vary between 19kW to 30 kW respectively. Vaillant combi boilers are compatible with all Vaillant accessories and this makes them easy to install and maintain.
Vaillant Technology Innovations
ecoTEC Plus Range
Features smart weather-compensation controls for optimal fuel savings.
Vaillant Pros and Cons
Advantages
Quiet Operation
Renowned for whisper-quiet running even at full power.
Quiet Operation
Vaillant boilers are renowned for their whisper-quiet performance.
Smart Weather Compensation
ecoTEC Plus adapts boiler output based on outside temperature.
Disadvantages
Higher Service Fees
OEM parts and service can be above-average cost.
Higher Service Costs
Some customers report above-average servicing fees for OEM parts.
Complex Controls
Advanced features may overwhelm basic users.
Frequently Asked Questions
Efficiency Rating
94.7%
Average Efficiency
Warranty
9.8
Average Years Coverage
Market Share
18.9%
UK Boiler Market
Service Network
85
UK Service Centers
Key Features
- Highly rated for customer satisfaction
- Industry-leading reliability scores
- Multiple boiler models to suit different property sizes and requirements
- Top-ranked for energy efficiency
- One of the UK's most popular boiler brands with 19% market share
Brand Information
Country of Origin
Germany
Headquarters
Remscheid, Germany
Years in Business
151 years
Popular Vaillant Boiler Models
| Model | Type | Output | Efficiency | Price | Warranty | Smart Control | |
|---|---|---|---|---|---|---|---|
| ecoFIT pure | Combi | 25 kW | 93.0% | £950 | 5 years | Details | |
| ecoTEC pro | Combi | 28 kW | 93.0% | £1,100 | 7 years | Details | |
| ecoTEC plus | Combi | 30 kW | 94.0% | £1,300 | 10 years | Details | |
| ecoTEC Plus LPG | Combi | 30 kW | 94.0% | £1,350 | 10 years | Details | |
| ecoTEC exclusive | System | 35 kW | 97.0% | £1,800 | 10 years | Details |
Prices shown are for the boiler only. Installation costs typically range from £500 to £1,500 depending on the complexity of your installation.
Product Categories
Combi Boilers
Premium combi boilers with German engineering excellence and advanced features.
Quiet Mark approved
stainless steel heat exchanger
high flow rates
Renewable Solutions
Heat pumps and hybrid systems for low-carbon heating.
Reduced carbon footprint
potential for reduced energy costs
compatible with existing systems
Recommended Installers
E.ON
National
Advanced Installer
BOXT
National
Premium Partner
Why Choose Vaillant?
Performance Highlights
- Excellent energy efficiency at 94.7%
- Outstanding reliability rating of 4.6/5
- Range of combi boilers with excellent flow rates
- Customer satisfaction rating of 4.5/5
Support & Aftercare
- Extended warranty periods averaging 9.8 years
- 85 dedicated service centers across the UK
- 2 approved installation partners
- Germany engineering with UK support
Ready to Install a Vaillant Boiler?
Get competitive quotes from trusted installers in your area
Why get a new Vaillant boiler?
- Save up to 30% on your heating bills with an efficient new boiler
- Benefit from Vaillant's 10-year warranty coverage
- All installers are Gas Safe registered for your peace of mind
- Fixed price quotes with no hidden costs