Fast Food

Fast food

Initial situation

Consumption : 1 952L of domestic hot water per day
Negative cold : R404a system – Cooling capacity = 3 360W & Heat rejection = 6 450W (at -30/+45°C)

Proposal / study

Equipment for negative cold unit : Boostherm 10kW
Installation of a 1 000L combined storage tank

Forecast return on investment at time of study : 3,4years

Measurements taken

Measurement dates : 23/03/17 to 29/08/17

Average energy recovered per day : 76,8kWh/day
Annual energy savings : 27 878kWh/year

Total annual savings : approx. €3 345/year, i.e., equiv. to 8,64 tonnes of CO2/year

Actual return on investment : 2,9years