Free Energy Calculators
Get an instant indicative estimate for solar, heat pumps or air conditioning. Each takes just a few minutes.
Solar Savings Calculator
Estimate how many panels fit your roof, likely annual generation, indicative cost range and payback period.
Start calculatorHeat-Loss Calculator
Estimate your property heat loss, suggested heat-pump size, potential grant support and indicative price after grant.
Start calculatorAir-Conditioning Size Calculator
Estimate the cooling capacity each room needs, a suggested system layout and an indicative installation range.
Start calculatorThis is an initial estimate based on the information you provided. It is not a final technical design or a binding quotation. A professional survey is required before any installation.