DECARBONISATION INVARIANT ENGINE
Calculate Heat Pump Installation Costs & SCOP Fuel Savings
Calibrated with statutory 2026 DESNZ £7,500 BUS Grant voucher deductibles and MCS 031 design flow temperatures.
Quick Household Presets:
Parameters & Inputs
Live Dynamic£1,800
Your total annual heating and hot water fuel cost.140 m²
Calculated Estimate
Statutory BUS Grant Voucher
£7,500.00
Estimated Net Out-of-Pocket Install Cost
£5,100.00
Estimated Grid Independence:78% Self-Powered
Engine: Statutory 2026/27 Benchmark v2.4Ref: MCS-EN7202 · Calibrated Daily
Est. Annual Savings£7,500.00 / yr
STEP 2 · READY TO INSTALL?Turn your estimate into an accredited physical installation
Request Free MCS-Certified Installer Quotes
Get matched with top-rated local engineers for an exact physical roof shading and structural assessment.