Air-Source vs. Water/Ground-Source Heat Pump Systems ...
Air-Source vs. Water/Ground-Source Heat Pump Systems ...
Air-Source vs. Water/Ground-Source Heat Pump Systems ...
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CoolEnergy.dk – March 6-7 th, 2013 – Odense, Denmark<br />
Example – <strong>Air</strong>-to-<strong>Water</strong> <strong>vs</strong>. <strong>Ground</strong>-<strong>Source</strong> HP<br />
› <strong>Air</strong>-to-water heat pump – 225 kW<br />
› Standard reversible chiller with indirect system design<br />
› Refrigerant R410A, max. water temp. 40/50 °C at -10/0 °C<br />
› Investments<br />
› <strong>Air</strong>-to-water heat pump/chiller unit 700,000 NOK<br />
› Noise reduction for evaporator 200,000 NOK<br />
› Container, tubing, el. installation etc. 800,000 NOK<br />
› Design and unforeseen costs (20 %) 340,000 NOK<br />
TOTAL<br />
2,040,000 NOK<br />
› Lifetime heat pump unit 10 years<br />
› Lifetime other installations 20 years<br />
› Energy coverage factor (α) To be calculated<br />
› Seasonal Performance Factor (SPF) To be calculated<br />
28<br />
MARCH 7TH, 2013<br />
COWI POWERPOINT PRESENTATION
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