Complete technical details and performance specifications for the Mistral S2 70/90
A J Wells and Sons
A O Smith
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The Mistral S2 70/90 delivers exceptional performance with a 85.6% efficiency rating, making it one of the most energy-efficient heating solutions available.
This Conventional boiler provides 20.5 - 26.4 (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 Mistral S2 70/90 is the perfect heating solution for your home
85.6% efficiency rating delivers maximum energy savings and optimal performance
Save £150-£300 annually on energy bills compared to older, less efficient boilers
Trusted Mistral 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 Mistral S2 70/90 to help you make informed decisions
Calculate specific savings with the Mistral S2 70/90, including CO₂ reduction and payback period analysis.
Compare the Mistral S2 70/90 against other boiler models with detailed specifications and performance metrics.
Check if you qualify for a free Mistral S2 70/90 replacement through the government ECO4 scheme.
The Mistral S2 70/90 with its 85.6% 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 ✓ Mistral Authorized ✓ 85.6% Efficiency Rated ✓ Professional Installation
