Cut your energy bill.
Electrify your home.
No installer kickbacks. No upsells. No paywalls. Free guides on solar, heat pumps, and the efficiency upgrades that actually pencil out.
Where do you want to start?
I'm thinking about solar,
or just got a quote
NEM 3.0 reality. Plug-in solar. The 5 questions to ask any installer before signing. The contracts to walk away from.
Solar & batteries →
I want to lower my bills
before I get solar
Heat pump water heater. Air sealing. Insulation. The electrification upgrades that lower your bill, reduce gas dependence, and right-size your future solar system — nobody markets these because the margins are lower.
Electrification guide →
Calculators & tools
All guides →
Home Readiness Assessment
What to do first, in your situation
Use tool →
Solar ROI Calculator
Will full solar actually pay off?
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Plug-in Solar Finder
Best kit for renters and small spaces
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Incentive Finder CA
Rebates and programs you qualify for
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Heat Pump Selector
Right system for your home setup
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New Build Planner
Building or renovating? Start here
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Guides & research
Browse all 20 →
- Where to Start: The Honest Priority Order for CA Homeowners Start here →
- Is Solar Still Worth It in California in 2026? CA · Solar →
- NEM 3.0 Explained: What It Actually Means for Your Decision CA · Solar →
- Why Air Sealing Is Your Home's Best Investment Foundations →
- Heat Pump Water Heaters: The Upgrade That Actually Pencils Out HVAC →
- Heat Pumps: What's Real, What's Hype for California HVAC →
- Earth Tubes: Real Technology, Real Risks Exotic →
- Rocket Mass Heaters: Efficiency Numbers and Permitting Reality Exotic →
- Earthships: Real Builds, Real Costs, Climate Limitations Exotic →
- Passive House: What It Actually Takes New build →
- Insulation: The Honest Guide to R-Values and ROI Foundations →
- Energy Audit: What You Actually Get (and What to Watch Out For) Foundations →
- Windows: When Replacement Actually Makes Sense (Rarely) Foundations →
- Plug-In Solar: The Renter's Solar Strategy Solar →
- Browse all 20 guides → →