HVAC Rebates in O'Fallon (2026)

2 programs on this page. A O'Fallon homeowner can use each one for a furnace, an air conditioner or a heat pump. Each status is the one on the day we read it.

Federal 25C creditEnded. Internal Revenue Service gives no credit for a 2026 install.Missouri HOMES and HEEHRNot open yet. Missouri Department of Natural Resources, Division of Energy has not published the amounts yet.

Every cost in O'Fallon · What a furnace costs in O'Fallon.