BC Interior Health Tests EndoTherm At 3 Locations
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The performance of EndoTherm was piloted by Interior Health, a regional health authority serving the southern interior region of British Columbia, Canada.
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The energy management team at Interior Health decided to pilot EndoTherm at three locations that had daily actual meter reading data to provide the best data for the measurement & verification process. This included:
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The installs of the hydronic additive also qualified for a $3,600 rebate from FortisBC. System volumes were identified by the incumbent water treatment provider through an on-site tracer test.
METHODOLOGY
The analysis methodology takes guidance from IPMVP (Option C). A baseline for each site was created using daily natural gas consumption data stretching back to 2018-2020 dependent on the site. Variations in the baseline due to occupancy / operational changes (and COVID-19 impacts) were taken into consideration in choosing the correct baseline.
A baseload (gas consumption not linked with space heating) was identified using the summer load for each site. A predicted value for each day in the post-install period (compiled from the trend-line for the baseline data) was compared against the recorded consumption value.
All sites were monitored up to the end of May 2022.
ANALYSIS
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Health Centre
RESULTS
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Over the pilot period, the buildings showed an average improvement of 8.99% of natural gas compared to their baseline. Removing the DHW baseload this is a recorded saving of 11.99% of the space heating system.
The pilot saved 604.13GJ which is a $6,041 saving based on $10/GJ (including federal carbon tax) with an expected ROI of around 12 months.
A reduction in natural gas consumption is also a reduction in GHG emissions. A saving of 604.13GJ is equivalent to 30,300kg of CO2e.
This is equivalent to the following:
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