Heat Pump Water Heater & HVAC
Your guide to upgrading from gas
Here’s everything you need to know about upgrading to heat pumps—plus expert help, generous rebates, and 0% financing.
Ready to get started?
Why Heat Pump?
The upgrade your home has been waiting for
Heat pump systems use advanced technology to move heat instead of generating it, making them an energy-efficient, all-electric upgrade for both hot water and heating/cooling your home. What this means for you is better indoor air quality, year-round comfort, and long-term savings.
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Cleaner air
80% fewer indoor air pollutants than gas (CEC). No combustion means improved indoor air quality and a safer home environment. -
Lower energy bills
$160–$300 annual savings on water heating. Heat pumps are 2–3x more efficient than gas systems, leading to significant savings. -
Year-round comfort
They work from -22°F to 115°F. Heat pump HVAC systems provide both heating and cooling in one efficient package. -
Peace of mind
Professional support, top-rated products, and guaranteed work ensure a smooth transition.
Heat Pump Rebates, Financing & Tax Credits
Keep more money in YOUR pocket
Yes, there’s money on the table—for you!
Heat Pump Water Heater (HPWH) rebates:
- $2,500 for replacing a gas water heater
- $500 for replacing an electric resistance water heater
Heat Pump HVAC (HP HVAC) rebates:
- $1,500 for replacing a gas heater/furnace
Additional bonus rebates:
- $1,000 for electrical panel upgrades
- $1,000 for CARE/FERA customers (per HPWH and HP HVAC rebate)
Heat Pump tax credits
- Credits available for 30% of the cost of upgrades to heat pump technology, up to $2,000
- Can be combined with credits up to $1,200 for other qualified upgrades in the same tax year
0% interest loans:
- Up to $10,000 with no credit check through our Zero Percent Loan Program
Note: Rebates are limited to two per electric account for both HPWH and HP HVAC installations.
Ready to get started?
Myth vs. Fact
Understanding heat pumps
If you’re worried about these common misconceptions, we’ll set the record straight.
Myth: Heat pumps require major electrical upgrades.
Fact: In many homes, it’s a straightforward swap.
Myth: Heat pumps don't work in cold weather.
Fact: Modern heat pumps operate efficiently, even in freezing temperatures.
Myth: Heat pumps are only for heating.
Fact: Heat pumps heat and cool.
Myth: Heat pumps are noisy.
Fact: Modern heat pumps aren’t any more annoying than other appliances.
Myth: Heat pumps aren’t affordable.
Fact: The upfront cost of a heat pump system is often comparable to a furnace and AC combo.
What’s more, WestLight Energy rebates and long-term energy savings can significantly offset the cost. Switching from a gas appliance to a heat pump water heater can save the average California household between $160 and $300 per year.
Still not sure?
Upgrades services & support from WestLight Energy
From DIY to Done-for-You. When you’re ready, choose the path that works for you.
What you get
Self-Service Resources
Guides, checklists, tools & tips
Personalized Support
Free consultation & expert advice
Full-Service
We handle everything from start to finish
Best if you…
Self-Service Resources
Want great info & to manage it yourself
Personalized Support
Want guidance but prefer choice
Full-Service
Want it done for you, stress-free
Cost
Self-Service Resources
Free
Personalized Support
Free
Full-Service
Free assessment, pre-negotiated pricing
Heat Pump FAQs
Everything you need to know about upgrading
You’re eligible if you:
- Live in San Mateo County or Los Banos
- Own the home where the upgrade is being installed
- Replace gas, propane, or oil appliances with qualified electric ones
- Submit proof that the old equipment was removed or disabled (like a capped gas line or removal photo)
Yes. You can get a $1,000 rebate for a panel upgrade when it’s tied to a heat pump installation. The upgrade must happen within 6 months of the heat pump project.
Definitely. If you’re enrolled in CARE or FERA, you can get up to $4,000 in bonus rebates—$1,000 each for a heat pump water heater, a heat pump HVAC system, and two panel upgrades (one per appliance). In most cases, this means your upgrade will cost nothing or next to nothing.
Yes. WestLight Energy offers 0% interest loans up to $10,000 through its Zero Percent Loan Program. You can use this financing alongside rebates to reduce your upfront costs.
While renters can’t apply directly, your landlord can. Rental properties qualify for the same rebates if the property owner submits the application.
Check out our Rebates & Offers page. You’ll find step-by-step instructions and downloadable forms. Just be sure to keep records like invoices, installation photos, and proof that old appliances were removed.