Calculate Pool Heat Pump Size

Calculate Pool Heat Pump Size

How to Calculate Pool Heat Pump Size

The size of pool heat pump you need depends on the size of your pool, the climate you live in, and how often you plan to use your pool. To calculate the size of heat pump you need, follow these steps:

  1. Determine the volume of your pool. To do this, multiply the length, width, and depth of your pool in feet.
  2. Multiply the volume of your pool by 1.5 to account for evaporation and heat loss.
  3. Divide the result by the COP of the heat pump you are considering. The COP is a measure of efficiency, and it is usually listed on the heat pump’s specifications.
  4. Round the result up to the nearest whole number. This is the size of heat pump you need.

For example, if you have a 20-foot by 40-foot pool that is 5 feet deep, the volume of your pool is 4000 cubic feet. Multiplying this by 1.5 gives you 6000 cubic feet. If you are considering a heat pump with a COP of 5, dividing 6000 by 5 gives you 1200. Rounding this up to the nearest whole number gives you 1300. Therefore, you would need a 1300-BTU heat pump for your pool.

Factors to Consider When Choosing a Pool Heat Pump

In addition to the size of your pool, there are a few other factors to consider when choosing a pool heat pump:

  • The climate you live in. If you live in a cold climate, you will need a heat pump with a higher COP.
  • How often you plan to use your pool. If you plan to use your pool year-round, you will need a heat pump that is designed for continuous use.
  • Your budget. Heat pumps can range in price from a few thousand dollars to over ten thousand dollars. Choose a heat pump that fits your budget and your needs.

Conclusion

Calculating the size of pool heat pump you need is important to ensure that your pool is heated properly. By following the steps in this blog post, you can choose the right heat pump for your pool and enjoy swimming all year long.

It’s ALWAYS better to have more BTUs than not enough! I recommend sizing up from the calculated size just to be sure your heat pump will be powerful enough.

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