# Heat pump vs. gas furnace and AC on City of Springfield rates (IL)

> **Quick answer** (updated 2026-11-10): As of November 2026, for a typical 1,800 sq ft gas-heated home on City of Springfield electricity rates in Illinois that needs a new furnace and AC: It depends on your quotes. A heat pump saves about $60 a year to run, so it comes out ahead over 15 years if its quote is no more than $900 above the quote for a new furnace and AC.

- Verdict: **depends on quotes**
- Heat pump yearly running cost vs. a new gas furnace and AC: $60 less
- Break-even quote gap: the heat pump wins over 15 years if its quote is no more than $900 above the like-for-like quote
- Interactive calculator (change size, insulation, fuel, prices, ZIP): https://meterwise.app/il/city-of-springfield/heat-pump-vs-furnace/
- Machine-readable data: https://meterwise.app/data/v1/utilities/il/city-of-springfield.json

## Typical home: costs by option

1,800 sq ft, average insulation, heating with gas, furnace and AC both need replacing.

| Option | Installed (typical) | Installed range | Rebates | Energy per year | 15-year total |
|---|---|---|---|---|---|
| New gas furnace + new AC | $13,040 | $10,210–$15,880 | – | $740 | $24,200 |
| Heat pump (replaces both) | $13,040 | $9,070–$17,010 | – | $680 | $23,300 |
| High-efficiency cold-climate heat pump | $17,010 | $12,470–$22,680 | – | $520 | $24,800 |

## Inputs

- Electricity: City of Springfield's average residential price in IL (EIA), $0.119/kWh; the winter price of extra kWh is estimated at $0.105/kWh. Enter your own rate for a closer answer. Typical-bill price 11.9¢/kWh, -37% vs. the Illinois average of 19.1¢/kWh.
- Weather: Springfield #2, 5,455 heating and 1,094 cooling degree days a year (NOAA 1991-2020 normals).
- Gas: $1.03/therm (Illinois winter average, EIA); propane $1.92/gallon; heating oil $5.97/gallon.
- Homes in this utility's Illinois area heat with gas 73%, electricity 23%, propane 3% (U.S. Census Bureau ACS 2019-2023).
- Installed prices: published study ranges, scaled for home size and Illinois HVAC installer wages (BLS).
- Rebates: not yet checked in Illinois, so not included.

## Common questions

**Is a heat pump worth it for City of Springfield customers?**
As of November 2026, for a typical 1,800 sq ft gas-heated home on City of Springfield electricity rates in Illinois that needs a new furnace and AC: It depends on your quotes. A heat pump saves about $60 a year to run, so it comes out ahead over 15 years if its quote is no more than $900 above the quote for a new furnace and AC.

**How much does a heat pump cost to run on City of Springfield's rates?**
About $680 a year for heating and cooling with the Heat pump (replaces both) option, against $740 for New gas furnace + new AC.

**What electricity price does this use?**
Electricity: City of Springfield's average residential price in IL (EIA), $0.119/kWh; the winter price of extra kWh is estimated at $0.105/kWh. Enter your own rate for a closer answer.

## Method

Heating and cooling need from local weather, floor area and insulation; each option's efficiency (heat pumps lose
efficiency in the cold and use backup heat in cold months) turns that into kWh and fuel; electricity is priced
through the utility's tariff; installed costs come from published ranges. Full method: https://meterwise.app/about/index.md

Estimates for a typical home, not a quote or financial advice.

## Other Illinois utilities

- [Coles-Moultrie Electric Coop](https://meterwise.app/il/coles-moultrie-electric-coop/heat-pump-vs-furnace/index.md)
- [Corn Belt Energy Corporation](https://meterwise.app/il/corn-belt-energy-corporation/heat-pump-vs-furnace/index.md)
- [Egyptian Electric Coop Assn](https://meterwise.app/il/egyptian-electric-coop-assn/heat-pump-vs-furnace/index.md)
- [Eastern Illinois Elec Coop](https://meterwise.app/il/eastern-illinois-elec-coop/heat-pump-vs-furnace/index.md)
- [Jo-Carroll Energy, Inc](https://meterwise.app/il/jo-carroll-energy-inc/heat-pump-vs-furnace/index.md)
- [MidAmerican Energy](https://meterwise.app/il/midamerican-energy/heat-pump-vs-furnace/index.md)
- [Menard Electric Coop](https://meterwise.app/il/menard-electric-coop/heat-pump-vs-furnace/index.md)
- [Norris Electric Coop](https://meterwise.app/il/norris-electric-coop/heat-pump-vs-furnace/index.md)
- [Rock Energy Cooperative](https://meterwise.app/il/rock-energy-cooperative/heat-pump-vs-furnace/index.md)
- [Shelby Electric Coop, Inc](https://meterwise.app/il/shelby-electric-coop-inc/heat-pump-vs-furnace/index.md)
- [Southeastern IL Elec Coop, Inc](https://meterwise.app/il/southeastern-il-elec-coop-inc/heat-pump-vs-furnace/index.md)
- [Southwestern Electric Coop Inc](https://meterwise.app/il/southwestern-electric-coop-inc/heat-pump-vs-furnace/index.md)
- [All Illinois utilities](https://meterwise.app/il/index.md)

## Cite this page

MeterWise, "Heat pump vs. gas furnace and AC on City of Springfield rates (IL)", updated 2026-11-10, https://meterwise.app/il/city-of-springfield/heat-pump-vs-furnace/. Data licensed CC BY 4.0.