Boulter Bonus 65/90A vs Boxer C28 28kW Combi Boiler

Detailed side-by-side comparison of efficiency ratings, specifications, and performance

Boulter Bonus 65/90A

Boulter

85.0%

Boxer C28 28kW Combi Boiler

Boxer

78.9%

Efficiency & Performance

85.0%

78.9%

19 - 26.4

24.3 - 24.3

Oil

Gas

Conventional

Combi

Technical Specifications

Open or Room-Sealed

Room-Sealed

Non-Condensing

Fan Assisted

2001 - 2005

2002 - current

Cost & Savings

£150-£300

£50-£200

Free (ECO4)

Comparison Summary

Efficiency Winner

Boulter Bonus 65/90A

Best Value

Both boilers are available free through the ECO4 scheme

Ready to Get Your Free Boiler?

Both Boulter Bonus 65/90A and Boxer C28 28kW Combi Boiler are available free through the ECO4 scheme. Check your eligibility and apply today.