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What Swimming Pool Temperature Is Most Efficient?

  Jul 20, 2021 / by Jeremy Miller

what swimming pool temperature is most efficient - Freeform pool with falls

Fiberglass | Laguna

What Swimming Pool Temperature Setting Is Most Energy-Efficient?

In most climates, you will need to heat your backyard swimming pool, at least some of the time, to keep it at a pleasant temperature. Obviously, you want it cool enough to be refreshing but not so cold that you are reluctant to get in. And, of course, it costs money to heat a pool, so that factors into your temperature setting as well.

Picking the Perfect Temp

Pool water temperatures typically run between 78 and 82 degrees. Any cooler than 78 and you may come out of the pool shivering. Any warmer than 82 and you may feel like you’re taking a bath. A temperature of 80 degrees is generally warm enough that children and senior citizens enjoy it but cool enough to make for an invigorating dip.

Of course, you should keep in mind that each degree the temperature rises results in increased energy costs of 10 to 30 percent. So the right temperature for your pool water is a function of how it feels on your skin and how it feels on your wallet.

Keeping Costs Down and Water Temperature Up

There are steps you can take to keep your pool warm while keeping your costs down:
  1. Use an automatic safety cover when not using the pool. Keeping breezes from blowing across the pool surface helps prevent heat transfer to the air.
  2. Install hedges, fencing, and other features that keep wind from blowing through the pool area.
  3. If your pool heater is more than five years old, consider investing in a new high-efficiency gas heater. In some cases, these units quickly pay for themselves in lower utility bills.
  4. If you tend to use your pool only on weekends, lower the temperature setting by 8 to 10 degrees during the week.
  5. If going on vacation, turn off the pool heater — unless you expect freezing conditions while you’re away.
  6. Install a timer that can automate and optimize your temperature settings.
  7. Run your pool's filtration system between 8 p.m. and 10 a.m., when electricity demand and rates tend to be lower.

Find Your Sweet Spot

It can take a little time to find the right balance of comfortable water temperature and cost-effective operation, and that balance will change with the seasons. But with a little effort, you can find your temperature setting sweet spot. Remember that it is always best to consult your local pool builder with any questions to see what might be best for your specific pool.



Editor's note: Originally posted 7/2017

Topics: Pool Maintenance, Inground Pools

Jeremy Miller

Written by Jeremy Miller

Jeremy is the Senior Digital Marketing Manager for Latham. He loves working within a company that has a strong culture built on camaraderie and revolutionizing the industry.