RetrofitReady is a free information service. We are not affiliated with SEAI or any government body. Grant figures are indicative only and may change without notice. Always verify current rates and eligibility at seai.ie before signing any contract or starting any work. We do not endorse or guarantee any contractor listed on this site.

Calculator

Payback Calculator

See roughly how long each upgrade takes to pay for itself through energy savings.

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Payback depends on your home, energy use, energy prices and your actual costs and savings. These are estimates to give a rough guide, not a guarantee. Energy prices change. Last verified June 2026.

Next steps

Check your home →Full personalised grant assessment Bill savings calculator →See total annual savings across all upgrades Loan comparison →Compare financing options for the gap Find contractors →SEAI-registered contractors near you