Alpha vs Keston

Average Price

£950

Alpha

£1,200

Keston

Energy Efficiency

93.5%

Alpha

94.0%

Keston

Warranty

7.0 years

Alpha

7.0 years

Keston

Customer Rating

4.1/5

Alpha

4.1/5

Keston

Alpha vs Keston: Summary

When comparing Alpha and Keston boilers, several key differences emerge. Alpha, established in 1960, offers boilers with an average efficiency of 93.5% at an average price of £950. Meanwhile, Keston boilers average 94.0% efficiency at £1,200.

Alpha boilers come with an average warranty of 7.0 years, compared to Keston's 7.0 years. Customer satisfaction ratings show Keston ahead at 4.1/5, while reliability scores give Keston a slight edge.

Both manufacturers offer smart control compatibility and produce boilers suitable for different property types. Both are based in United Kingdom.

Detailed Comparison

Alpha
Keston
Average Price
£950
£1,200
Energy Efficiency
93.5%
94.0%
Average Warranty
7.0 years
7.0 years
Reliability Score
4.2/5
4.2/5
Customer Satisfaction
4.1/5
4.1/5
UK Market Share
4.8%
2.8%
Established
1960
1928
Country of Origin
United Kingdom
United Kingdom
Smart Controls Compatible
High Efficiency Models
Extended Warranty Options

Who Should Choose Alpha

  • Budget-conscious homeowners looking for great value
  • Tech-savvy homeowners wanting smart home integration
  • Those who prefer to support UK manufacturing
  • Homeowners looking for efficient combi boilers

Who Should Choose Keston

  • Those looking for a boiler with strong performance

Popular Boiler Models

Alpha Popular Models

ModelTypeEfficiencyPrice
Alpha E-TecCombi93.5%£900

Keston Popular Models

ModelTypeEfficiencyPrice
Keston C30Combi94.0%£1200

Approved Installers

Alpha Installers

No installer data available

Keston 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:

Alpha

Average Efficiency

93.5%

Estimated Annual Running Cost

£1,206

Based on average UK gas usage

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

£173

Keston

Average Efficiency

94.0%

Estimated Annual Running Cost

£1,200

Based on average UK gas usage

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

£179

Customer Reviews & Testimonials

Alpha Owner Reviews

"Alpha 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. - Alpha E-Tec Owner

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

Sarah T. - Boiler Owner

Keston Owner Reviews

"Keston 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. - Keston C30 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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