Case Study - Durham University, Mountjoy Centre
Durham University trialled the performance of EndoTherm at the Mountjoy Centre.
The Centre, which hosts departmental offices, is a two storey office building split into three wings. The heating system is powered by two 200kW boilers and required 17 litres of EndoTherm, which was installed on the 1st May 2015.
The building is currently only heated during the week. Using the on-site, half hourly precise, data a direct comparison of usage between 1st May 2015 to 30th April 2016 and the same period a year before (1st May 2014 to 30th April 2015) was made, ensuring to eliminate weekend usage. Weekday heating degree day (HDD) data was obtained from the nearby North End weather station with a 15.5°C baseload.
|Time Period||Usage (kWh)||Degree Days (15.5°C)||Usage (kWh) / Degree Days|
|01/05/2014 – 30/04/2015||305,938||1585.6||192.948|
|01/05/2015 – 30/04/2016||297,670||1674||177.820|
NOTE: A weekend shutdown was implemented mid-way through the comparison year, meaning that for a portion of the pre-install period the building was heated throughout the weekend. This usage was eliminated from the comparison. The benefit of having a warm building on Monday morning is an additional factor to consider during this trial.
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