SoCalGas - Pools & Spas
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Pools and Spas

Natural gas pool and spa heaters use less energy and heat water faster than electric heaters. You can help save on energy costs by following a few simple steps.

Energy Conservation Tips

  • Lower the pool or spa heater's temperature setting. Install a time clock to pre-set and minimize heating hours.
  • Keep your spa or pool covered when not in use. Well-fitted pool and spa covers help prevent heat loss for energy savings of up to 50%.
  • Consider purchasing a solar pool cover. It uses the sun to heat the water's surface.

Reduce pool filtering and automatic pool sweep time to a minimum, and schedule it for "off-peak" hours (before noon and after 6:00 p.m.).

  • To help maintain pool heating efficiency, follow a regular program of preventive maintenance, including an annual inspection and de-liming of the heat exchanger.
  • Check the accuracy of your spa's thermostat. An inaccurate thermostat can cost you hundreds of dollars each year.

Pool Filtering

  • Pools need to be filtered. How long you should filter your pool depends on:
    • The pool size.
    • The filtering equipment.
    • How much you use the pool.
    • Different environmental factors (such as how much sunlight hits the pool).
  • Keep in mind that the more you use your pool, the more filtering it will need.

Pool Covers

  • You can save up to 50% on pool heating costs by using a pool cover. Pool covers help prevent chemical loss and water evaporation.
  • There are two types of pool covers:
    • Thermal/opaque covers help prevent heat and water loss. If left on during the day, they also transmit some heat to the pool.
    • Solar covers help transmit heat to your pool from sunlight. They also help prevent heat and water loss.
  • When shopping for a pool cover, be sure to check the durability, warranty, insulation value and safety features, as well as the price. If you have small children, be sure to choose a cover that will prevent them from being trapped underneath it.

Pool Heaters and Timers

  • Pool heaters expand pool usage by extending swimming hours in the day and swimming months in the year. Energy-efficient natural gas pool heaters use less energy than electric heaters and cost less to operate.
  • A filter time clock is an easy way to manage pool filtering. Check your clock's instruction manual for directions on setting the operation times.

Appliance Selection Tips

  • When its time to replace your old pool motor and pump assembly, consider a new energy-efficient model to help save on pool filtering costs.
  • Consider purchasing a cover for your spa or pool. Covers are worthwhile investments that help reduce operating costs.
  • Read our tips on selecting a qualified contractor to install or repair your spa or pool.

Where can I get more information about pools and spas?


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Rebates Available

You can receive cash rebates on clothes washers, dishwashers, attic/wall insulation, natural gas storage water heaters and furnaces. Go to Rebates for Your Home.