§ — Locked · Plumbing
Unlock Complete plumbing system
From house to heating at once
Guided wizard: answer the house's area, U-value, design temperature and domestic hot water use — and the wizard collects the whole system spec in one overview. The house's heat demand (Q = A·U·ΔT), the hot water's daily energy and power, expansion volume and links on to the radiator, underfloor heating and pressure loss calculators. All figures are pure geometry/physics on your answers.
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