Atag vs Keston
Average Price
£1,600
Atag
£1,200
Keston
Energy Efficiency
95.5%
Atag
94.0%
Keston
Warranty
10.5 years
Atag
7.0 years
Keston
Customer Rating
4.5/5
Atag
4.1/5
Keston
Atag vs Keston: Summary
When comparing Atag and Keston boilers, several key differences emerge. Atag, established in 1948, offers boilers with an average efficiency of 95.5% at an average price of £1,600. Meanwhile, Keston boilers average 94.0% efficiency at £1,200.
Atag boilers come with an average warranty of 10.5 years, compared to Keston's 7.0 years. Customer satisfaction ratings show Atag leading with 4.5/5, while reliability scores give Atag a slight edge.
Both manufacturers offer smart control compatibility and produce boilers suitable for different property types. Atag is based in Netherlands, while Keston originates from United Kingdom.
Detailed Comparison
Who Should Choose Atag
- Those prioritizing energy efficiency and lower utility bills
- Tech-savvy homeowners wanting smart home integration
- Homeowners looking for efficient combi boilers
Who Should Choose Keston
- Those looking for a boiler with strong performance
Popular Boiler Models
Atag Popular Models
| Model | Type | Efficiency | Price |
|---|---|---|---|
| Atag iC Economiser | Combi | 95.5% | £1600 |
Keston Popular Models
| Model | Type | Efficiency | Price |
|---|---|---|---|
| Keston C30 | Combi | 94.0% | £1200 |
Approved Installers
Atag 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:
Atag
Average Efficiency
95.5%
Estimated Annual Running Cost
£1,181
Based on average UK gas usage
Potential Annual Savings vs. Old Boiler (80% Efficient)
£195
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
Atag Owner Reviews
"Atag 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. - Atag iC Economiser 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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