Interstate Power and Light customers, Iowa · Instant discount

Alliant Energy Instant Discounts program (Iowa)

Run by Alliant Energy (Interstate Power and Light)

Alliant Energy customers in Iowa get an instant discount on the invoice for qualifying heat pumps, central air conditioners, natural gas furnaces, geothermal heat pumps, ductless mini splits and heat pump water heaters bought through participating distributors. No rebate form.

Open Checked Oct 28, 2026

Amounts

How much you get

A discount taken off the price by the distributor and passed through your dealer, shown on the equipment invoice. The amount depends on which of these fits your install.

What you installYou get
200 per unit)Geothermal heat pump ($900 to $1N/A
Cold climate air source heat pump ($563 to $713 per unit)N/A
Air source heat pump ($300 to $563 per unit)N/A
Cold climate ductless mini split (per unit)$525
Central air conditioner ($263 to $413 per unit)N/A
Ductless mini split (per unit)$375
Electric heat pump water heater (per unit)$225
Large central air conditioner ($150 per ton)N/A
Desuperheater (per unit)$113
000 Btu/hr input rating)Natural gas furnace ($2.40 per 1N/A

Eligibility

Do I qualify?

You need to meet all 3 of these.

  • For Alliant Energy residential, business and agricultural customers in Iowa.

  • The equipment must be bought through a dealer that buys qualified equipment from a participating distributor; the distributor applies the discount.

    What to doBefore you buy, ask your dealer whether they work with distributors in Alliant's Instant Discounts program, or find a trade ally on Alliant's contractor search. Get a quote from a contractor

  • Equipment must meet all of Alliant's qualifications for an instant discount.

    What to doAsk your dealer to confirm the model qualifies under Alliant's residential HVAC equipment qualifications before you buy. See what equipment counts

Equipment

What equipment counts

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

  • Furnaces

    Gas only, up to 225,000 Btuh, AFUE at least 95%.

  • Central air conditioners

    Electric only, under 65,000 Btuh: at least 15.2 SEER2 (below 17 SEER2 is the lower tier, 17 SEER2 or more the higher tier) and at least 9.0 EER2.

  • Central air conditioners

    Large units, 65,000 to under 135,000 Btuh: IEER at least 16 and EER at least 11.0; 135,000 to under 240,000 Btuh: IEER 15.5 and EER 10.8; 240,000 to under 760,000 Btuh: IEER 14.5 and EER 9.8.

  • Heat pumps

    Ductless split heat pump, electric only, under 65,000 Btuh: above 17.0 SEER2, at least 8.0 EER2 and at least 10.0 HSPF2.

  • Heat pumps

    Air-source heat pump, electric only, under 65,000 Btuh: at least 15.2 SEER2, 8.0 EER2 and 8.0 HSPF2 (cold climate models need at least 8.1 HSPF2).

  • Geothermal heat pumps

    Ground-loop heat pump tested values: at least 17 EERFL and 3.2 COPFL for the lower tier; at least 20 EERFL and 4.0 COPFL for the higher tier.

  • Heat pump water heaters

    Electric only, 120 gallons or less: at least 3.3 UEF for 240-volt units; at least 2.2 UEF for 120-volt and split systems.

  • All equipment must conform to AHRI.

Applying

How to apply

Your contractor applies for you.

  1. Find a participating dealer.

    Ask your HVAC dealer if they buy from a distributor in Alliant's Instant Discounts program, or use the "Find a trade ally" search on the Instant Discounts page.

  2. Pick qualifying equipment.

    Your dealer confirms the model meets Alliant's qualifications.

  3. See the discount on your invoice.

    The distributor applies the discount, and it is printed on your equipment invoice. There's no paperwork for you to fill out.

Forms and instructionsRebate terms and conditions - Alliant Energy · Geothermal energy - Alliant Energy · MidAmerican Energy and Alliant Energy HVAC Instant Discounts Program, residential, January 2026

Questions about applying833-216-7371 or eeinstantdiscounts@dnv.com

Your address

Next steps

Check that it covers your address. Then, if you want, ask for a contractor quote.

FAQ

Questions

How much does Alliant Energy Instant Discounts program (Iowa) pay?

$113 to $525, depending on what you install. The table under How much you get lists each amount.

Do I need to be a Interstate Power and Light customer?

Yes. It’s only for homes in Interstate Power and Light customers, Iowa. See Do I qualify for the details.

Do I have to use a contractor?

Yes. The equipment must be bought through a dealer that buys qualified equipment from a participating distributor; the distributor applies the discount.

Is it still available?

Yes. It was open when we last checked, on October 28, 2026.

Do I have to fill out a rebate form?

No. Alliant no longer processes claim-form rebates; the discount is applied by the distributor and shows up on your equipment invoice.

Plain words

Words used on this page

SEER2 and EER2
Cooling efficiency ratings on the model’s spec sheet. Higher is better.
HSPF2
A heat pump’s heating efficiency rating. Higher is better.
UEF
A water heater’s efficiency rating. Higher is better.

References

Sources

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

  1. Instant Discounts program (Iowa) - Alliant Energyalliantenergy.com · Read Oct 28, 2026 · Re-checked weekly
  2. Rebate terms and conditions - Alliant Energyalliantenergy.com · Read Oct 28, 2026 · Re-checked monthly
  3. Geothermal energy - Alliant Energyalliantenergy.com · Read Oct 28, 2026 · Re-checked monthly
  4. MidAmerican Energy and Alliant Energy HVAC Instant Discounts Program, residential, January 2026alliantenergy.com · Read Oct 28, 2026 · Re-checked monthly

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

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