California customers, California · Rebate
Residential Energy Efficiency Rebates (Southwest Gas California)
Run by Southwest Gas Corporation
Southwest Gas residential customers in California can get $225 for an ENERGY STAR tankless gas water heater, $50 or $100 for an efficient gas fireplace, and, in the Barstow, Victorville, Big Bear and Needles area (climate zone 14), $100 for an ENERGY STAR smart thermostat.
Amounts
How much you get
Per qualifying unit: $225 for an ENERGY STAR tankless water heater; $50 (70-74.9% efficient) or $100 (75% or more) for a natural gas fireplace with intermittent pilot; $100 for an ENERGY STAR smart thermostat in climate zone 14 only. The amount depends on which of these fits your install.
| What you install | You get |
|---|---|
| Natural gas tankless water heater (ENERGY STAR) | $225 |
| Tier 1 (70%-74.9% efficient)Natural gas fireplace | $50 |
| Tier 2 (75% or more)Natural gas fireplace | $100 |
| Climate zone 14 only)Smart thermostat (ENERGY STAR | $100 |
Eligibility
Do I qualify?
You need to meet all 3 of these.
Southwest Gas residential customer in California (homeowners and renters).
The smart thermostat rebate is only for climate zone 14: Barstow, Victorville, Big Bear and Needles.
Equipment must be a qualifying model: ENERGY STAR tankless water heater or smart thermostat; gas fireplaces need an intermittent pilot light and natural gas heating.
What to doBuy a model on Southwest Gas's California qualified products list. See what equipment counts
Equipment
What equipment counts
The program sets these minimums for water heaters and furnaces, ac and thermostats.
- Water heaters
ENERGY STAR qualified tankless water heater.
- Thermostats
ENERGY STAR qualified.
70% efficient or more with intermittent pilot light.
Applying
How to apply
First come, first served until funds run out. The rebate search tool lists expiration dates of December 31, 2031 (tankless water heater) and January 1, 2032 (smart thermostat, fireplace).
- Check the product.
Confirm the model is on Southwest Gas's California qualified products list (and, for a thermostat, that you're in climate zone 14). Call 800-654-2765 to confirm before buying.
- Buy and install.
Install according to local codes and the manufacturer's requirements.
- Apply.
Submit the California residential rebate application with your receipt.
Forms and instructionsSmart Thermostat - Homeowner/Renter (California) - Southwest Gas · Natural Gas Fireplace - Homeowner/Renter (California) - Southwest Gas · Natural Gas Tankless Water Heater - Homeowner/Renter (California) - Southwest Gas
Questions about applying800-654-2765
Stacking
Use it with
Your address
Next steps
Check that it covers your address. Then, if you want, ask for a contractor quote.
Is it available at your address?
Before anything else
Your quote request is in If a contractor we work with serves your ZIP, they can contact you. We take one request per person; contact us to change it.
Get an email if this program changes
We'll write if its amount, status or deadline changes. Nothing else.
FAQ
Questions
How much does Residential Energy Efficiency Rebates (Southwest Gas California) pay?
$50 to $225, depending on what you install. The table under How much you get lists each amount.
Do I need to be a California customer?
Yes. It’s only for homes in California customers, California. See Do I qualify for the details.
What’s the deadline?
Apply by December 31, 2031.
Is it still available?
Yes. It was open when we last checked, on October 27, 2026.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
- Rebates & Promotions Search Tool, California residential - Southwest Gas
- Smart Thermostat - Homeowner/Renter (California) - Southwest Gas
- Natural Gas Fireplace - Homeowner/Renter (California) - Southwest Gas
- Natural Gas Tankless Water Heater - Homeowner/Renter (California) - Southwest Gas
When one of these pages changes, we re-check this page against it.
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