Heat pumps in Iowa
Iowa gets genuinely cold — a 14°F average low in the coldest month — and 4.6% of homes heat primarily with a heat pump. The state cut its efficiency program budgets sharply in 2018, so what is on offer now comes mostly from the utilities rather than the state.
Heat pump adoption
EIA RECS 2020 microdata ↗4.6% of Iowa homes use a heat pump as their main heat
Goal: every home
Central heat pumps and ductless mini-splits combined, counted as the home's main heating equipment. A further 0.7% of Iowa homes run a mini-split as secondary heat alongside natural gas or propane.
Episodes
Recorded in Iowa
Homeowners and contractors in IA, in their own words.
Money and next steps
What Iowa pays toward one
Iowa Economic Development Authority — Energy
The state energy office. Iowa scaled back its ratepayer-funded efficiency programs in 2018, so the main rebates now come from MidAmerican Energy and Alliant Energy directly.
Program details →Federal Home Energy Rebates
The IRA rebate programs (HEAR and HOMES) survived the 2025 tax changes — they were grants to states, not tax credits. Each state runs its own, and they are at different stages: some open, some already out of money, some yet to launch. Check where Iowa stands before you count on it.
Program details →
The federal 25C tax credit — 30% back, up to $2,000 on a heat pump — ended for systems placed in service after 31 December 2025. If you had one installed in 2025 or earlier you can still claim it; there is no successor credit. Incentives move fast, so check DSIRE for what is current in Iowa. Last checked September 2026.
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The numbers
What a heat pump here has to cover
14°F
Coldest month average low
Des Moines · NOAA 1991–2020 normals
86°F
Warmest month average high
Des Moines · NOAA 1991–2020 normals
Winters here are genuinely severe, and that is the whole ballgame. A cold-climate heat pump is rated to hold useful output well below zero, but the rating only matters if the unit was picked for it. Ask any installer what happens on the coldest night of the year, and what the backup is when it arrives.