Home energy savings calculator
Answer a few quick questions about your house, appliances, and how you use energy. WattsWut pinpoints where you're overpaying and gives you the fastest, cheapest ways to cut your monthly bill — no contractor calls, no sales pitch.
How WattsWut works
WattsWut asks a few quick questions about your home — square footage, how you heat and cool, your major appliances, and how your household actually uses energy. Then it pinpoints where you're most likely overpaying and hands you a ranked list of ways to lower your bill, from five-minute tweaks to bigger upgrades worth planning around your next renovation.
What's included in your report
- Where your current energy dollars are going each month
- The fastest, cheapest wins you can do this week
- Bigger upgrades (heat pumps, insulation, water heaters) ranked by payback
- Federal, state, and utility rebates you likely qualify for
- Plain-English explanations so you can make confident decisions
Who WattsWut is for
WattsWut is built for homeowners who want a lower energy bill — whether you're staring at a scary winter heating statement, planning a renovation and want to bake in efficiency, or just tired of guessing which upgrade is actually worth it. It's especially useful before you finish a basement, add an ADU, replace an aging furnace or water heater, or electrify anything in your home.
Frequently asked questions
How much can WattsWut actually save me?
It depends on your home and habits, but most homeowners find a few hundred dollars a year in quick wins and thousands more in upgrades that pay for themselves — often stacked on top of $1,000–$10,000+ in rebates and tax credits.
Do I need to be doing a renovation to use WattsWut?
No. WattsWut is useful any time, but it's especially powerful before a renovation — that's when efficiency upgrades are cheapest to bake in and when the wrong decision locks you into higher bills for a decade.
Is WattsWut a substitute for an energy auditor or contractor?
No. WattsWut gives you a realistic picture of where your money is going and what to do about it, so you walk into conversations with contractors, electricians, or HVAC pros prepared instead of nodding along. Any actual work still needs the right licensed pro.
Does WattsWut include rebates and tax credits?
Yes. WattsWut flags the federal tax credits, state programs, and utility rebates you likely qualify for — including stacked incentives in Columbus and Westchester that can knock thousands off bigger upgrades like heat pumps and heat pump water heaters.
Will WattsWut work if I'm not low-income?
Yes. Most federal tax credits and utility rebates are available regardless of income, and WattsWut surfaces both income-qualified and universally-available programs.
Does WattsWut save or sell my information?
No. We don't sell your information or pass leads to contractors. Your home details stay with you.
Other free tools that pair well with WattsWut
Energy is just one piece of the picture. Run your project through these too: