Complete technical details and performance specifications for the Johnson & Starley QuanTec 24S
The Johnson & Starley QuanTec 24S delivers exceptional performance with a 89.6% efficiency rating, making it one of the most energy-efficient heating solutions available.
This Condensing boiler provides Unknown (KW) of reliable heating power using Gas fuel for optimal performance.
Potential annual savings of £150-£300 compared to older, less efficient boilers, while reducing your carbon footprint.
Discover why the Johnson & Starley QuanTec 24S is the perfect heating solution for your home
89.6% efficiency rating delivers maximum energy savings and optimal performance
Save £150-£300 annually on energy bills compared to older, less efficient boilers
Trusted Johnson & Starley 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 Johnson & Starley QuanTec 24S to help you make informed decisions
Calculate specific savings with the Johnson & Starley QuanTec 24S, including CO₂ reduction and payback period analysis.
Compare the Johnson & Starley QuanTec 24S against other boiler models with detailed specifications and performance metrics.
Check if you qualify for a free Johnson & Starley QuanTec 24S replacement through the government ECO4 scheme.
The Johnson & Starley QuanTec 24S with its 89.6% 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 ✓ Johnson & Starley Authorized ✓ 89.6% Efficiency Rated ✓ Professional Installation
