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Texas is a deregulated electricity market where rates vary by 2x depending on your Retail Electric Provider. This guide breaks down monthly heat pump costs for every TX metro, including a 12-month table showing the cooling-heavy May-September peak.
$45-$220
Monthly Range
$0.09-0.18
TX Rate Range
$905-$1,552
Annual Total
$700-1,400
vs Gas+AC Savings
25C Tax Credit: $0 in 2026. Section 25C expired December 31, 2025. No federal credit for heat pump purchases. TX utility rebates (up to $3,000) are the only incentive.
Texas is unique: 85% of the state is in the deregulated ERCOT market where you choose your own Retail Electric Provider (REP). Your heat pump operating cost depends entirely on which plan you select.
You choose your REP. Rates range from $0.09 to $0.18/kWh depending on plan type (fixed vs variable), contract length, and usage tier.
Fixed rates set by the utility. More predictable but no choice of provider. Generally lower and more stable than ERCOT averages.
Pro Tip: Before installing a heat pump, lock in a 12-month fixed-rate ERCOT plan at $0.10-$0.13/kWh. This protects against summer rate spikes and makes your heat pump economics predictable. Variable-rate plans can push summer costs 30-50% higher during heat waves.
Based on a typical 3-ton (36,000 BTU) heat pump, SEER2 16-18, 2,000 sq ft TX home. Costs shown at $0.13/kWh (low) and $0.16/kWh (high) — the typical ERCOT range.
| Month | Mode | kWh | Cost ($0.13) | Cost ($0.16) |
|---|---|---|---|---|
| January | Heating | 450-650 | $58 | $104 |
| February | Heating | 400-600 | $52 | $96 |
| March | Minimal | 250-400 | $33 | $64 |
| April | Cooling | 400-650 | $52 | $104 |
| May | Cooling | 650-900 | $85 | $144 |
| June | Cooling | 850-1,100 | $111 | $176 |
| July | Cooling | 1,000-1,300 | $130 | $208 |
| August | Cooling | 1,000-1,300 | $130 | $208 |
| September | Cooling | 750-1,000 | $98 | $160 |
| October | Minimal | 350-550 | $46 | $88 |
| November | Heating | 350-550 | $46 | $88 |
| December | Heating | 500-700 | $65 | $112 |
| Annual Total | 6,950-9,700 | $905 | $1,552 |
Estimates for a 3-ton ducted heat pump (SEER2 16-18) in a 2,000 sq ft home with average insulation. Actual costs depend on home size, insulation quality, thermostat settings, and occupancy patterns. July-August are peak months statewide.
Your region determines both your climate load and your electricity rate structure. These two factors combine to create significantly different operating costs across Texas.
Oncor (delivery) | Deregulated (ERCOT)
$1,090-$1,290
per year
Avg Rate
$0.14/kWh
Rate Range
$0.09-$0.18
Annual kWh
7,800-9,200
Wider temp swings. Cold winters (20F lows) + hot summers (100F+). Balanced heating/cooling split.
CenterPoint (delivery) | Deregulated (ERCOT)
$1,190-$1,400
per year
Avg Rate
$0.14/kWh
Rate Range
$0.09-$0.17
Annual kWh
8,500-10,000
Highest cooling costs due to humidity. Systems run longer for dehumidification. Mild winters reduce heating.
Austin Energy | Regulated (municipal)
$960-$1,140
per year
Avg Rate
$0.12/kWh
Rate Range
$0.06-$0.17
Annual kWh
8,000-9,500
Lower rates = lower bills. Moderate humidity. Austin Energy rebate (~$3K) offsets equipment cost.
CPS Energy | Regulated (municipal)
$880-$1,045
per year
Avg Rate
$0.11/kWh
Rate Range
$0.07-$0.14
Annual kWh
8,000-9,500
Lowest rates in major TX metros. CPS Energy is stable and affordable. Moderate humidity.
El Paso Electric | Regulated (not ERCOT)
$975-$1,105
per year
Avg Rate
$0.13/kWh
Rate Range
$0.10-$0.16
Annual kWh
7,500-8,500
Arid climate — low humidity means less dehumidification load. Cold winters (15F lows) but dry air helps COP.
Most TX homes run a central AC + gas furnace (two separate systems). A heat pump replaces both with one unit. Here is the annual operating cost comparison.
| Cost Category | Gas Furnace + AC | Heat Pump | Difference |
|---|---|---|---|
| Annual cooling | $1,400-$1,800 | $1,000-$1,300 | HP saves $400-$500 |
| Annual heating | $800-$1,200 (gas) | $350-$550 (electric) | HP saves $450-$650 |
| Annual maintenance | $300-$500 (2 contracts) | $150-$250 (1 contract) | HP saves $150-$250 |
| Annual total | $2,500-$3,500 | $1,500-$2,100 | HP saves $700-$1,400/yr |
Based on TX average gas price $1.10/therm, electric rate $0.14/kWh, 2,000 sq ft home. Heat pump assumes SEER2 18, COP 3.5. Gas furnace assumes 92% AFUE.
TX-specific strategies to minimize your monthly heat pump electricity bill.
Shop powertochoose.org for 12-month fixed plans at $0.10-$0.13/kWh. Avoid variable-rate plans that spike during summer heat waves.
If on a TOU plan, cool your home to 72F during off-peak (10pm-6am) and let it drift to 78F during peak. Thermal mass in your home holds the cool.
TX homes lose 20-30% of conditioned air through leaky ducts in unconditioned attics. Duct sealing saves $150-$300/year and improves comfort.
Ecobee or Nest saves 10-15% by learning your schedule. Austin Energy and CPS Energy offer smart thermostat rebates ($50-$75).
TX attics hit 150F+ in summer. Adding insulation from R-19 to R-38+ can reduce cooling costs by 15-20%. Many TX utilities offer insulation rebates.
Upgrading from minimum SEER2 14.3 to SEER2 18 saves ~$330/year. At TX usage levels, the efficiency upgrade pays for itself in 3-5 years.
Ceiling fans allow raising your thermostat by 4F while maintaining comfort. At $0.14/kWh, a fan costs $0.01/hour vs $0.30+/hour for the heat pump compressor.
A typical 3-ton heat pump in Texas costs $85-$165/month to run, depending on the season and your electricity rate. Summer months (June-August) are the most expensive at $140-$220/month for cooling. Winter months (December-February) are cheaper at $45-$90/month for heating. The annual total averages $1,200-$1,500/year at TX average rates of $0.13-0.16/kWh.
Texas has a deregulated electricity market (ERCOT) covering 85% of the state. Your rate depends entirely on which Retail Electric Provider (REP) you choose and what plan you select. Rates range from $0.09/kWh to $0.18/kWh on the same grid. Municipal utilities (Austin Energy, CPS Energy) have fixed rates. Your REP choice can change your heat pump operating cost by 30-50%.
Yes, typically $300-$800/year cheaper. A heat pump replaces both your AC and gas furnace with one system. For cooling, a modern heat pump (SEER2 18+) is more efficient than most existing central AC units (SEER 13-16). For heating, the mild TX winters mean a heat pump COP of 3.0-4.0, making electric heating cheaper than gas at $1.10/therm. You also eliminate one maintenance contract.
For ERCOT customers, a 12-month fixed-rate plan at $0.10-0.13/kWh is ideal for heat pump owners. Avoid variable-rate plans — summer spikes can push rates above $0.20/kWh during peak demand. Time-of-use (TOU) plans can save money if you pre-cool your home during off-peak hours. Shop rates at powertochoose.org before installing a heat pump.
Houston heat pumps use more electricity due to higher humidity. A 3-ton system in Houston uses approximately 8,500-10,000 kWh/year (more cooling, less heating). DFW uses approximately 7,800-9,200 kWh/year (balanced cooling/heating due to colder winters). Austin and San Antonio fall between at 8,000-9,500 kWh/year. El Paso uses less for cooling (~7,500-8,500 kWh/year) due to dry air but more for heating.
Yes. During extreme heat events (105F+ in DFW, 100F+ in Houston), heat pump electricity consumption increases 20-40% as the system works harder against a larger temperature differential. If you have a variable-rate ERCOT plan, wholesale electricity prices also spike during heat waves. A fixed-rate plan protects against both effects.
No. There are no federal tax credits for operating costs. The former Section 25C tax credit for heat pump purchases also expired December 31, 2025 under the OBBBA. The only financial incentive for TX heat pumps is utility rebates: Austin Energy ~$3,000, CPS Energy $100-275/ton, Oncor $300-600, CenterPoint ~$500.
We calculate your real monthly operating cost based on your specific metro, utility, and home size. No generic estimates — TX-specific data only.