Pool heating - Heat Pump Pool

Pool heating - Heat Pump Pool


pool size

kW power heat pump

30 - 40m³

min 9 kW power

40 - 60m³

min 12 kW power

50 - 80m³

min 16 kW power


The heat pump should be able to heat the water by approx. 0.20 - 0.25 degrees per hour. It takes 1.16 Wh to heat one litre of water one degree, which means 11.6 kWh for a 10m³ pool. In other words, one kilowatt hour heats 862 litre of water by one degree Celsius. 

The following table shows how the heat pump is best designed: 

volume

Temperature increase per hour at a power of

8 KW

12 kW

18 kW

25 kW

36 kW

10

0.58

0.89

1.33

1.96

2.64

20

0.28

0.45

0.65

0.98

1.31

30

0.21

0.28

0.45

0.67

0.89

40

0.16

0.23

0.34

0.48

0.67

50

0.13

0.19

0.27

0.38

0.54

60

0.11

0.15

0.21

0.33

0.45

70

0.08

0.13

0.19

0.28

0.38

80

0.07

0.11

0.16

0.25

0.33

90

0.07

0.10

0.15

0.22

0.29

100

0.06

0.09

0.13

0.20

0.26

120

0.05

0.07

0.11

0.16

0.22



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