[bmdpat]

Heat pumps still save $1,400/yr on the average US gas bill.
Most owners haven't run their numbers.

The federal heat pump credit expired Dec 31, 2025. Drop a photo of your bill — see the unsubsidized payback in 30 seconds.

Bonus demo · off-RFS

Climate tech is conspicuously absent from YC's Summer 2026 RFS. Built this anyway because the “pencils out without subsidy” thesis is timely — federal heat pump credits expired Dec 31, 2025.

Get The One-Person Holdco (free PDF)

How one human plus twenty-two AI agents runs a seven-pillar portfolio with no employees.