Condensate Recovery Economics

The annual value of recovering condensate across energy, water, chemicals and blowdown.

Unit system

Inputs

System typeCondensate recovered

Condensate pressure (absolute)

The pressure at the trap outlet. In an open system the condensate drops to atmosphere here and part of it flashes away.Makeup water temperature

FuelFuel price

Boiler efficiency

Makeup water plus effluent cost

€/m³

The purchase cost plus the effluent charge. The second half is usually forgotten.Water treatment chemicals

€/m³

Annual operating hours

Total annual saving

110,574€

Energy component

74,574€

Water component	30,000 €
Chemicals component	6,000 €
Condensate reaching the boiler	2,000 kg/h
Lost as flash steam	0 kg/h
Returned condensate temperature	143.6 °C
Heat recovered	300.9 kW
Annual CO₂ avoided	396.4 t/yıl
System note	Closed system: the condensate returns hot with no flash loss.

THE BLOWDOWN SAVING IS NOT INCLUDED HERE. Returning condensate dilutes the feedwater TDS and cuts the blowdown needed; that term shows up in the Blowdown Rate calculation and adds on top of this total.
The condensate is taken as saturated water at the trap outlet. Sub-cooled condensate flashes less and an open system loses less.
Capital cost (piping, pump, tank) is not included; this gives the annual SAVING, not the payback period.

A PDF carrying the inputs, results, assumptions and the source. A one-time code is sent to your address.

Results are for engineering pre-assessment and are not a product selection commitment. Final responsibility rests with the user.