5,506 BTU
1,613 Watts
Based on 153 BTU per cubic metre. Add 500 BTU per window, 300 per external wall. Insulation quality affects results significantly.
Based on 153 BTU per cubic metre. Add 500 BTU per window, 300 per external wall. Insulation quality affects results significantly.
Useful Tools
Casio Scientific Calculator
Essential for quick calculations
View on Amazon →Financial Planner Notebook
Track budgets, savings & goals
View on Amazon →UK Tax Guide Book
Understand PAYE, NI & allowances
View on Amazon →Money Saving Journal
Build better spending habits
View on Amazon →As an Amazon Associate we may earn from qualifying purchases.