How This Tool Works
📋 Purpose
This tool is designed to cut through the complexity of a boiler upgrade. It moves beyond simple efficiency ratings to provide a clear, personalised financial forecast, showing you exactly when a new boiler starts paying for itself and how much it could save you in the long run.
⚙️ How It Works
- 1Enter details about your current boiler, including its type and age, along with your annual heating bill.
- 2Select the type of new boiler you are considering and specify your desired analysis timeframe.
- 3Receive an instant, detailed financial breakdown, including annual savings, payback period, and total net benefit.
Check your energy bill or annual statement for this figure
If left blank, we'll use regional benchmark costs
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Complete Guide: Planning a Boiler Upgrade ROI
Understand payback, long-term savings, and the assumptions that most affect upgrade decisions.
📅 Last updated: 2026-03-07
Quick Tips
Jump-start your understanding with these essential tips
Step-by-Step Guide
Follow these steps to get the most from this tool
Enter your current boiler type, age band, and annual heating spend. These inputs establish your present operating cost and expected efficiency baseline.
💡 Pro Tips:
- •Use a full-year energy total to reduce seasonal bias.
- •Match age band as closely as possible for realistic benchmarks.
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