Solar hot-water planning
ETC vs FPC comparison calculator
Estimate daily demand from bathing pattern, temperature lift and engineering allowance. Results guide the first conversation; site survey and water test control final selection.
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Recommendation
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Enter usage and calculate to see LPD, collector count, cost, savings and payback.
Results are educational preliminary estimates, not a quotation, guarantee or electrical/thermal design. Costs and performance vary with location, weather, shade, water quality, equipment, GST, transport, installation, subsidy eligibility, tariff and maintenance. Obtain a site survey and signed proposal.