CO2 Integrated Heat Pump Water Heater

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CO2 Integrated Heat Pump Water Heater ( co2-integrated-heat-pump-water-heater )

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HPWH Performance Report Estimated Energy Savings: Table 18 below summarizes the estimated energy savings between calculated baseline and the monitoring period. Table 18: Rossland Site 1 Energy Savings Rossland Site 1 6 [19] 2,406 790 1,617 67% Time and Cost of Installation: Table 19 below shows the time and cost of the installation for this site broken down by activity, and based on typical skilled labor costs. Table 19: Rossland Site 1 Installation Costs Site Water Heating Load Delivered kWh/day [kBtu/day] Annual Baseline Energy (kWh) Annual Sanden Energy (kWh) Annual Energy Savings (kWh) % Savings Se rvice Labor Hours Labor Cost (CAD) Mate rial Cost (CAD) Total with Taxes and Permit (CAD) Equipment - - $5,560 $5,560 Electrical 5 $375 $127 $623 Plumbing 16.4 $1,450 $806 $2,357 Heat Trace & Insulation 2 $229 $160 $389 Total 23.4 $2,054 $6,654 $8,929 Installation Notes: • Well water system with pump and expansion tank • Took out 184-litre (48.6-gallon) electric water heater • Installed 80-gallon water tank • Outdoor unit and outdoor air temperature sensor protected by staircase to front door • About 5 feet of pipe length from wall penetration to outdoor unit • Heat trace on temperature control Updates/Issues: • 2/18/2017 – Water collecting inside of outdoor unit by Printed Circuit Board (PCB). Outdoor unit infiltration hole to PCB was blocked with tape to prevent further moisture issues. 24

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