IMPA Residential Energy Efficiency Program (HVAC rebates)

Amounts

How much you get

Per unit replaced: heat pump $150, central air conditioner $125, geothermal heat pump (closed or open loop) $175. The amount depends on which of these fits your install.

Capped at $10,000 per household.

Eligibility

Do I qualify?

You need to meet all 5 of these.

• Active electric account with a municipal utility served by IMPA.

• Retrofit or replacement in an existing building; new construction does not qualify.

• New equipment replacing working equipment one-for-one, meeting the efficiency on the application; used or rebuilt equipment does not qualify.

• Owners qualify; in a leased building the lease must have at least three years remaining, and a copy may be required.

• Written pre-approval from IMPA before buying and installing the equipment.

  What to doSend the Funding Approval form, a contractor quote and a recent electric bill to save@impa.com and wait for the pre-approval letter before buying. IMPA Energy Efficiency Program Terms & Conditions (last updated 1/23/2026)

Equipment

What equipment counts

The program sets these minimums for heat pumps and furnaces, ac and thermostats.

Applying

How to apply

Install by December 31, 2026; finish and submit final paperwork within 30 days of the pre-approval letter and no later than December 31, 2026. Get approved before you buy anything.

1. 1
   Get a quote.

   An itemized contractor quote listing the make, model, size and labor for each unit (self-installation is the only exception).

2. 2
   Apply for pre-approval before buying.

   Send the Funding Approval page of the residential HVAC application, the quote and your latest electric bill to save@impa.com or by mail to IMPA in Carmel.

   Go to impa.com

3. 3
   Install within 30 days of the pre-approval letter.

   The pre-approval expires after 30 days or on December 31, 2026, whichever is earlier.

4. 4
   Submit the final application.

   With the itemized invoice, manufacturer spec sheets and bank details for payment.

5. 5
   Receive payment.

   Usually sent electronically within 6 to 8 weeks.

Forms and instructions, including for applying by mailIMPA Energy Efficiency Program Terms & Conditions (last updated 1/23/2026) · IMPA Energy Efficiency Program residential rebate program, HVAC application · Tips - Crawfordsville Electric Light & Power · Anderson Municipal Light & Power

Questions about applying(317) 573-9955 or save@impa.com

Start on impa.com

Stacking

Use it with

Your address

Next steps

Check that it covers your address. This program has to approve you before you buy anything, so start with the program, not a contractor quote.

FAQ

Questions

Plain words

Words used on this page

SEER2 and EER2

Cooling efficiency ratings on the model’s spec sheet. Higher is better.

References

Sources

This page is built from these official pages, run by the program itself.

1. IMPA Energy Efficiency Program Terms & Conditions (last updated 1/23/2026)impa.com · Read Oct 27, 2026 · Re-checked monthly
2. IMPA Energy Efficiency Program residential rebate program, HVAC applicationimpa.com · Read Oct 27, 2026 · Re-checked monthly
3. Energy Efficiency - Indiana Municipal Power Agencyimpa.com · Read Oct 27, 2026 · Re-checked weekly
4. Tips - Crawfordsville Electric Light & Powercelp.com · Read Oct 27, 2026 · Re-checked monthly
5. Anderson Municipal Light & Powercityofanderson.com · Read Oct 27, 2026 · Re-checked monthly

When one of these pages changes, we re-check this page against it.

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