Traiteur Simon

Food professional

Initial situation

Consumption : 1 059L of domestic hot water per day
Negative cold : R404a system – Cooling capacity = 2 090W & Heat rejection = 4 179W (at -30/+45°C)

Proposal / study

Equipment for negative cold unit : Boostherm 10kW
Installation of a 1 500L combined storage tank

Forecast return on investment at time of study : 8,7years

Measurements taken

Measurement dates : 03/03/14 to 22/06/16

Average energy recovered per day : 38kWh/day
Annual energy savings : 9 880kWh/year

Total annual savings : approx. €1 208/year, i.e., equiv. to 0,826 tonnes of CO2/year

Actual return on investment : 7,4years