ElectrifyCost

St. Louis, MO

Heat Pump Cost in St. Louis

Estimate the installed cost, applicable rebates, and operating-cost change for a heat pump in St. Louis, MO. Calibrated to Missouri HVAC labor (0.98x), retail electricity (12.4 cents/kWh), and standard climate.

Climate zone
4A
4,500 HDD
Electricity
12.4 cents/kWh
Missouri EIA average
HVAC labor
0.98x
vs. U.S. average
Heat pump class
Standard
recommended

City estimates use Missouri state-level labor and energy data. For the full state view, see heat pump cost in Missouri.

Your details

Optional — auto-sets state

Estimated installed cost

$12,750

Typical range $7,800 – $22,075 · Ducted central heat pump (3-ton, ~1,500–2,200 sqft)

Low

$7,800

Best case

Mid

Typical

$12,750

Typical

High

$22,075

Worst case

Itemized cost breakdown

Click a row for math & sources
Line itemLowMidHigh
Total$7,800$12,750$22,075

Monthly energy impact

Savings

−$11/ mo

Likely savings between $6 and $16 per month vs. your current fuel.

Simple payback (mid)

92 years

Net cost ÷ annual savings vs. current fuel.

Panel upgrade likelihood

Medium risk

100A may support heat pump with load calculation; depends on other loads

Estimated adder included: $550 – $2,000.

  • Is this quote for ducted, ductless, or dual-fuel?
  • What heating load (Manual J) calculation did you use, and can I see it?
  • Is the equipment cold-climate rated (HSPF2 / capacity at 5°F)?
  • Is ductwork inspection, sealing, or replacement included?
  • Is electrical work, including any required circuit or panel work, included?
  • Are permits and inspection included?
  • Which rebates and tax credits are included, and who files for them?
  • What is the manufacturer warranty and labor warranty?
  • Is there a sound-rated outdoor unit option, and what is the dB rating?
  • What sizing methodology did you use (Manual S equipment selection)?

What can change this price

  • Estimates are planning ranges, not contractor quotes. Actual prices depend on your home, local labor rates, equipment, code requirements, utility rules, and contractor availability.

Heat pump rebates & credits in Missouri

Program Type Amount Expires
Energy Efficient Home Improvement Credit (25C) - Heat Pumps
Federal · Credit 30% up to $2,000 2025-12-31
DOE Home Energy Rebates (HOMES/HEEHRA) - Heat Pump
Income-qualified
 Federal · Rebate $0–$8,000 2031-09-30

Frequently asked questions

How much does a heat pump cost in St. Louis?

In St. Louis, MO, a typical ducted central heat pump runs $7,350–$19,600 installed, scaled to Missouri HVAC labor rates. Cold-climate equipment runs higher. Use the calculator above to refine for your home size, current fuel, panel, and ductwork.

Is a heat pump worth it in St. Louis?

St. Louis sits in a moderate climate zone (4A, 4,500 HDD). Standard air-source heat pumps work well year-round. Operating-cost change depends on local electricity (12.4 cents/kWh) vs. your current fuel.

What rebates are available for a heat pump in St. Louis?

The federal 25C credit expired Dec 31 2025 under OBBBA. Missouri homeowners in St. Louis can still combine applicable state programs and DOE Home Energy Rebates where Missouri has launched the program. The rebate table above shows 2 programs applicable to your location.

Do I need a panel upgrade for a heat pump in St. Louis?

Not always. A 200A panel is usually fine; a 100A panel often works after an NEC 220.83 load calculation; a 60A service almost always needs an upgrade. The calculator above includes a panel-risk verdict for your selection.

Heat pump cost in other cities