Biasi vs Glow Worm

Average Price

£900

Biasi

£950

Glow Worm

Energy Efficiency

92.8%

Biasi

93.2%

Glow Worm

Warranty

6.5 years

Biasi

7.0 years

Glow Worm

Customer Rating

3.9/5

Biasi

4.2/5

Glow Worm

Biasi vs Glow Worm: Summary

When comparing Biasi and Glow Worm 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, Glow Worm boilers average 93.2% efficiency at £950.

Biasi boilers come with an average warranty of 6.5 years, compared to Glow Worm's 7.0 years. Customer satisfaction ratings show Glow Worm ahead at 4.2/5, while reliability scores give Glow Worm a slight edge.

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

Detailed Comparison

Biasi
Glow Worm
Average Price
£900
£950
Energy Efficiency
92.8%
93.2%
Average Warranty
6.5 years
7.0 years
Reliability Score
4.0/5
4.2/5
Customer Satisfaction
3.9/5
4.2/5
UK Market Share
2.7%
5.8%
Established
1938
1934
Country of Origin
Italy
United Kingdom
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 Glow Worm

  • Those wanting longer warranty coverage for peace of mind
  • Homeowners valuing customer satisfaction and after-sales support
  • Those looking for a boiler with strong performance

Popular Boiler Models

Biasi Popular Models

ModelTypeEfficiencyPrice
Biasi Riva PlusCombi92.8%£850

Glow Worm Popular Models

ModelTypeEfficiencyPrice
Glow Worm Energy 30CCombi93.2%£950

Approved Installers

Biasi Installers

No installer data available

Glow Worm Installers

No installer data available

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

Glow Worm

Average Efficiency

93.2%

Estimated Annual Running Cost

£1,210

Based on average UK gas usage

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

£170

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

Glow Worm Owner Reviews

"Glow Worm 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. - Glow Worm Energy 30C Owner

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

Sarah T. - Boiler Owner

Frequently Asked Questions

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