Ameren Missouri HVAC Efficiency Rebate

Ameren Missouri

Available Energy Assistance

About This Program

Ameren Missouri HVAC Efficiency Rebate is available to homeowners and renters in O'Fallon, MO.

Rebates for qualifying high-efficiency central air conditioners, heat pumps, and furnaces installed in Ameren Missouri service territory. Equipment must meet minimum efficiency standards and be installed by a licensed contractor.

Rebate amount depends on equipment type and efficiency rating

Official program page checked live on 2026-06-22.

Data last verified 2026-06-09. How we verify our data.

In O'Fallon, MO, you can combine this program with other local help to cut your cost:

Key Details

  • Rebates up to $1,150 for efficient HVAC equipment
  • Central AC, heat pumps, and furnaces eligible
  • Must meet minimum efficiency standards
  • Licensed contractor installation required
  • Available to all Ameren Missouri customers

How to Apply

Get free help applying Visit Official Program Page Track this program

(800) 552-7583

A grant-savvy contractor in O'Fallon, MO can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

This grant requires a licensed contractor

This grant requires the work to be done by a licensed contractor, and you will likely need a written estimate to apply. Get a free estimate from a contractor in O'Fallon who knows grant paperwork.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • Photos of the problem area or the work to be done.
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Ongoing program, valid through December 31, 2025

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

How much can Ameren Missouri HVAC Efficiency Rebate provide in O'Fallon, MO?

Up to $1,150 rebate.

Who qualifies for Ameren Missouri HVAC Efficiency Rebate in O'Fallon?

Ameren Missouri HVAC Efficiency Rebate is open to homeowners and renters in O'Fallon, MO. It has no income limit.

How do I apply for Ameren Missouri HVAC Efficiency Rebate in O'Fallon, MO?

Apply directly with Ameren Missouri using the official program link on this page or call (800) 552-7583. There is no middleman and no fee. Deadline: Ongoing program, valid through December 31, 2025.

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Get matched with a pro, free Browse O'Fallon, MO contractors

Find More Programs in O'Fallon, MO

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

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