Detailed Comparison

Boulter Bonus 40/65 vs Fer tech 18ov

Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics

Efficiency 1

85.5%

Efficiency 2

89.4%

Type 1

Non-Condensing

Type 2

Conventional

Boulter Bonus 40/65

Boulter

85.5%

Type:Non-Condensing

Power:11.7 - 19

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Head to Head

🏆 WINNER

Fer tech 18ov

Fer

89.4%

Type:Conventional

Power:17.7 - 17.7

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Efficiency & Performance

Efficiency Rating

Boulter

85.5%

BEST

Fer

89.4%

Power Output

Boulter

11.7 - 19

Fer

17.7 - 17.7

Fuel Type

Boulter

Oil

Fer

Gas

Boiler Type

Boulter

Non-Condensing

Fer

Conventional

Technical Specifications

Flue Type

Boulter

Room-Sealed

Fer

Room-Sealed

Method

Boulter

Non-Condensing

Fer

Condensing

Fan

Boulter

Fan Assisted

Fer

Fan Assisted

Manufacture Period

Boulter

1999 - 2005

Fer

2009 - 2017

Cost & Savings

Annual Savings

Boulter

£150-£300

BEST

Fer

£150-£300

Installation Cost

Boulter

Free (ECO4)

Fer

Free (ECO4)

Comparison Summary

Efficiency Champion

Fer tech 18ov

Fer • 89.4%

Best Value

Both Boilers

Available FREE through ECO4 scheme

Our Recommendation

Fer tech 18ov leads with 89.4% efficiency, providing better performance and energy savings.

FREE Installation Available

Ready to Get Your Free Boiler?

Both Boulter Bonus 40/65 and Fer tech 18ov are available at no cost through the government ECO4 scheme. Take the next step today.

💰

£0 Installation Cost

Completely free through ECO4

⚡

High Efficiency

Save hundreds on heating bills

🏆

Quality Guaranteed

Professional installation included

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✓ Government Approved Scheme ✓ No Hidden Costs ✓ Professional Installation ✓ Energy Efficient

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