New / Replacement Installs
Swimming Pool Heat Pumps
When sizing a pool for a swimming pool unit, our team require the [average] pool depth, length and width to calculate the minimum size KW needed, to support the proposed volume of water to be heated.
See our chart below for an estimated guide:
|
Pool Size [Imperial] |
Gallons |
Pool Size [Metric] |
Litres |
Heater |
||||
|
Length [FT] |
Width [FT] |
Average Depth |
Approx |
Length [M] |
Width [M] |
Average Depth |
Approx |
Min size heater required [KW] |
|
16.4 |
9.8 |
6.5 |
6,507 |
5 |
3 |
2 |
30,000 |
9 |
|
22.9 |
9.8 |
8.2 |
11,460 |
7 |
3 |
2.5 |
52,500 |
17 |
|
16.4 |
16.4 |
8.2 |
13,740 |
5 |
5 |
2.5 |
62,500 |
19 |
|
16.4 |
16.4 |
9.8 |
16,420 |
5 |
5 |
3 |
75,000 |
24 |
|
22.9 |
16.4 |
8.2 |
19,180 |
7 |
5 |
2.5 |
87,500 |
29 |
|
29.5 |
13.1 |
9.8 |
23,580 |
9 |
4 |
3 |
108,000 |
34 |
In addition, we would assume the following, unless otherwise specified:
- 15’ C ambient air temperature [realistic for start of season]
- Average wind speed 2.5 metres per second
- Desired water temperature between 28’C and 30’C
- There is no water table surrounding pool structure
- A minimum running time of 10 hours per day
- The pool has a suitable cover when not in use
- The pool is rectangular in shape
As a guide; most 24kw units [and under] will only require a single-phase electrical power supply to run the system. Where a three-phase supply is required, we would advise that an electrician is enlisted to facilitate with supporting this.
As with all mechanical equipment, units should be maintained regularly and inspected [serviced] by a competent professional regularly. When the unit is not in use, particularly at the end of the season, the system should be de-winterised to prevent any issues arising in the colder months.




