Complete technical details and performance specifications for the Worcester Greenstar Heatslave External 18/25
A J Wells and Sons
A O Smith
ACV
Alde
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De Dietrich Thermique
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i
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Vokèra BY RIELLO
Warmflow
Warmworld
Wickes
Wolf
Worcester
Yorkpark
The Worcester Greenstar Heatslave External 18/25 delivers exceptional performance with a 89.1% efficiency rating, making it one of the most energy-efficient heating solutions available.
This Combi boiler provides 18 - 25 (KW) of reliable heating power using Oil fuel for optimal performance.
Potential annual savings of £150-£300 compared to older, less efficient boilers, while reducing your carbon footprint.
Discover why the Worcester Greenstar Heatslave External 18/25 is the perfect heating solution for your home
89.1% efficiency rating delivers maximum energy savings and optimal performance
Save £150-£300 annually on energy bills compared to older, less efficient boilers
Trusted Worcester engineering with comprehensive warranty coverage
Built to last with modern condensing technology and premium components
Discover other high-efficiency boilers that might be perfect for your home
Advanced tools designed specifically for the Worcester Greenstar Heatslave External 18/25 to help you make informed decisions
Calculate specific savings with the Worcester Greenstar Heatslave External 18/25, including CO₂ reduction and payback period analysis.
Compare the Worcester Greenstar Heatslave External 18/25 against other boiler models with detailed specifications and performance metrics.
Check if you qualify for a free Worcester Greenstar Heatslave External 18/25 replacement through the government ECO4 scheme.
The Worcester Greenstar Heatslave External 18/25 with its 89.1% efficiency rating is available at no cost through the government ECO4 scheme. Professional installation included with potential savings of £150-£300 annually.
✓ Government Approved ECO4 ✓ Worcester Authorized ✓ 89.1% Efficiency Rated ✓ Professional Installation
