Biasi vs Vaillant

Average Price

£900

Biasi

£1,450

Vaillant

Energy Efficiency

92.8%

Biasi

94.7%

Vaillant

Warranty

6.5 years

Biasi

9.8 years

Vaillant

Customer Rating

3.9/5

Biasi

4.5/5

Vaillant

Biasi vs Vaillant: Summary

When comparing Biasi and Vaillant boilers, several key differences emerge. Biasi, established in 1938, offers boilers with an average efficiency of 92.8% at an average price of £900. Meanwhile, Vaillant boilers average 94.7% efficiency at £1,450.

Biasi boilers come with an average warranty of 6.5 years, compared to Vaillant's 9.8 years. Customer satisfaction ratings show Vaillant ahead at 4.5/5, while reliability scores give Vaillant a slight edge.

Both manufacturers offer smart control compatibility and produce boilers suitable for different property types. Biasi is based in Italy, while Vaillant originates from Germany.

Detailed Comparison

Biasi
Vaillant
Average Price
£900
£1,450
Energy Efficiency
92.8%
94.7%
Average Warranty
6.5 years
9.8 years
Reliability Score
4.0/5
4.6/5
Customer Satisfaction
3.9/5
4.5/5
UK Market Share
2.7%
18.9%
Established
1938
1874
Country of Origin
Italy
Germany
Smart Controls Compatible
High Efficiency Models
Extended Warranty Options

Who Should Choose Biasi

  • Budget-conscious homeowners looking for great value
  • Tech-savvy homeowners wanting smart home integration
  • Homeowners looking for efficient combi boilers

Who Should Choose Vaillant

  • Those wanting longer warranty coverage for peace of mind
  • 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

Biasi Popular Models

ModelTypeEfficiencyPrice
Biasi Riva PlusCombi92.8%£850

Vaillant Popular Models

ModelTypeEfficiencyPrice
ecoFIT pureCombi93.0%£950
ecoTEC proCombi93.0%£1,100
ecoTEC plusCombi94.0%£1,300
ecoTEC Plus LPGCombi94.0%£1,350
ecoTEC exclusiveSystem97.0%£1,800

Approved Installers

Biasi Installers

No installer data available

Vaillant Installers

BOXT

4.8

Premium Partner

E.ON

4.0

Advanced Installer

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:

Biasi

Average Efficiency

92.8%

Estimated Annual Running Cost

£1,216

Based on average UK gas usage

Potential Annual Savings vs. Old Boiler (80% Efficient)

£166

Vaillant

Average Efficiency

94.7%

Estimated Annual Running Cost

£1,191

Based on average UK gas usage

Potential Annual Savings vs. Old Boiler (80% Efficient)

£186

Customer Reviews & Testimonials

Biasi Owner Reviews

"Biasi 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. - Biasi Riva Plus Owner

"Installation was straightforward and the smart controls make it easy to manage heating. Customer service is responsive when needed."

Sarah T. - Boiler Owner

Vaillant Owner Reviews

"Vaillant 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. - ecoFIT pure Owner

"Installation was straightforward and the smart controls make it easy to manage heating. Customer service is responsive when needed."

Sarah T. - ecoTEC pro Owner

Frequently Asked Questions

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