Detailed Comparison

Geminox Astrane 30S FIOUL vs Wolf CGB-11

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

Efficiency 1

84.1%

Efficiency 2

88.9%

Type 1

Non-Condensing

Type 2

Condensing

Geminox Astrane 30S FIOUL

Geminox

84.1%

Type:Non-Condensing

Power:Unknown

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Head to Head

🏆 WINNER

Wolf CGB-11

Wolf

88.9%

Type:Condensing

Power:Unknown

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Efficiency & Performance

Efficiency Rating

Geminox

84.1%

BEST

Wolf

88.9%

Power Output

Geminox

Unknown

Wolf

Unknown

Fuel Type

Geminox

Oil

Wolf

Gas

Boiler Type

Geminox

Non-Condensing

Wolf

Condensing

Technical Specifications

Flue Type

Geminox

N/A

Wolf

N/A

Method

Geminox

Non-Condensing

Wolf

Condensing

Fan

Geminox

N/A

Wolf

N/A

Manufacture Period

Geminox

N/A

Wolf

N/A

Cost & Savings

Annual Savings

Geminox

£100-£250

BEST

Wolf

£150-£300

Installation Cost

Geminox

Free (ECO4)

Wolf

Free (ECO4)

Comparison Summary

Efficiency Champion

Wolf CGB-11

Wolf • 88.9%

Best Value

Both Boilers

Available FREE through ECO4 scheme

Our Recommendation

Wolf CGB-11 leads with 88.9% efficiency, providing better performance and energy savings.

FREE Installation Available

Ready to Get Your Free Boiler?

Both Geminox Astrane 30S FIOUL and Wolf CGB-11 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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