Detailed Comparison

NST Sogno ELI 8-26 vs Wolf CGB-11

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

Efficiency 1

82.2%

Efficiency 2

88.9%

Type 1

Non-Condensing

Type 2

Condensing

NST Sogno ELI 8-26

NST

82.2%

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

NST

82.2%

BEST

Wolf

88.9%

Power Output

NST

Unknown

Wolf

Unknown

Fuel Type

NST

LPG

Wolf

Gas

Boiler Type

NST

Non-Condensing

Wolf

Condensing

Technical Specifications

Flue Type

NST

N/A

Wolf

N/A

Method

NST

Non-Condensing

Wolf

Condensing

Fan

NST

N/A

Wolf

N/A

Manufacture Period

NST

N/A

Wolf

N/A

Cost & Savings

Annual Savings

NST

£100-£250

BEST

Wolf

£150-£300

Installation Cost

NST

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 NST Sogno ELI 8-26 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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