Detailed Comparison

Fer tech 18ov vs GEM CC2 20/26

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

Efficiency 1

89.4%

Efficiency 2

89.1%

Type 1

Conventional

Type 2

Condensing

🏆 WINNER

Fer tech 18ov

Fer

89.4%

Type:Conventional

Power:17.7 - 17.7

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Head to Head

GEM CC2 20/26

GEM

89.1%

Type:Condensing

Power:Unknown

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Efficiency & Performance

Efficiency Rating

BEST

Fer

89.4%

GEM

89.1%

Power Output

Fer

17.7 - 17.7

GEM

Unknown

Fuel Type

Fer

Gas

GEM

Oil

Boiler Type

Fer

Conventional

GEM

Condensing

Technical Specifications

Flue Type

Fer

Room-Sealed

GEM

N/A

Method

Fer

Condensing

GEM

Condensing

Fan

Fer

Fan Assisted

GEM

N/A

Manufacture Period

Fer

2009 - 2017

GEM

N/A

Cost & Savings

Annual Savings

BEST

Fer

£150-£300

GEM

£150-£300

Installation Cost

Fer

Free (ECO4)

GEM

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 offers superior efficiency at 89.4%, making it the better choice for long-term savings.

FREE Installation Available

Ready to Get Your Free Boiler?

Both Fer tech 18ov and GEM CC2 20/26 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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