Cost to Run Window Air Conditioner in Washington (2026)
At Washington's average rate of 11.26¢/kWh, running a Window Air Conditioner costs $32.43/month or $394.55/year. That's 34.6% less than the national average of $49.59/month.
Monthly Cost
$32.43
in Washington
Yearly Cost
$394.55
in Washington
State Rate
11.26¢
per kWh
National Rank
#2
of 50 states
Window Air Conditioner Energy Usage
| Wattage | 1,200 watts |
| Typical Daily Use | 8 hours/day |
| Daily kWh | 9.60 kWh |
| Monthly kWh | 288.0 kWh |
| Category | Cooling |
Washington vs National Average: Window Air Conditioner Costs
| Metric | Washington | National Avg | Difference |
|---|---|---|---|
| Electricity Rate | 11.26¢/kWh | 17.22¢/kWh | -5.96¢ |
| Monthly Window Air Conditioner Cost | $32.43 | $49.59 | $-17.16 |
| Yearly Window Air Conditioner Cost | $394.55 | $603.39 | $-208.84 |
Window Air Conditioner Cost in Neighboring States
How does running a Window Air Conditioner in Washington compare to nearby states?
Window Air Conditioner Cost: All 50 States Ranked
Washington ranks #2 out of 50 for Window Air Conditioner running costs (1 = cheapest).
| # | State | Rate | Monthly | Yearly |
|---|---|---|---|---|
| 1 | Idaho | 11.15¢ | $32.11 | $390.70 |
| 2 | Washington | 11.26¢ | $32.43 | $394.55 |
| 3 | Utah | 11.41¢ | $32.86 | $399.81 |
| 4 | Wyoming | 11.72¢ | $33.75 | $410.67 |
| 5 | North Dakota | 12.43¢ | $35.80 | $435.55 |
| 6 | Louisiana | 12.52¢ | $36.06 | $438.70 |
| 7 | Oregon | 12.55¢ | $36.14 | $439.75 |
| 8 | Montana | 12.81¢ | $36.89 | $448.86 |
| 9 | Oklahoma | 12.82¢ | $36.92 | $449.21 |
| 10 | Tennessee | 12.91¢ | $37.18 | $452.37 |
| 11 | Arkansas | 13.04¢ | $37.56 | $456.92 |
| 12 | Nebraska | 13.08¢ | $37.67 | $458.32 |
| 13 | Kentucky | 13.19¢ | $37.99 | $462.18 |
| 14 | West Virginia | 13.44¢ | $38.71 | $470.94 |
| 15 | Mississippi | 13.54¢ | $39.00 | $474.44 |
| 16 | South Dakota | 13.74¢ | $39.57 | $481.45 |
| 17 | Missouri | 13.78¢ | $39.69 | $482.85 |
| 18 | North Carolina | 14.09¢ | $40.58 | $493.71 |
| 19 | Georgia | 14.27¢ | $41.10 | $500.02 |
| 20 | South Carolina | 14.43¢ | $41.56 | $505.63 |
| 21 | Virginia | 14.64¢ | $42.16 | $512.99 |
| 22 | Arizona | 14.78¢ | $42.57 | $517.89 |
| 23 | Alabama | 14.87¢ | $42.83 | $521.04 |
| 24 | Nevada | 14.92¢ | $42.97 | $522.80 |
| 25 | Delaware | 14.94¢ | $43.03 | $523.50 |
| 26 | Texas | 15.06¢ | $43.37 | $527.70 |
| 27 | Iowa | 15.14¢ | $43.60 | $530.51 |
| 28 | Ohio | 15.21¢ | $43.80 | $532.96 |
| 29 | Kansas | 15.28¢ | $44.01 | $535.41 |
| 30 | New Mexico | 15.34¢ | $44.18 | $537.51 |
| 31 | Indiana | 15.42¢ | $44.41 | $540.32 |
| 32 | Colorado | 15.56¢ | $44.81 | $545.22 |
| 33 | Minnesota | 15.63¢ | $45.01 | $547.68 |
| 34 | Florida | 16.22¢ | $46.71 | $568.35 |
| 35 | Illinois | 16.27¢ | $46.86 | $570.10 |
| 36 | Maryland | 16.57¢ | $47.72 | $580.61 |
| 37 | Wisconsin | 17.38¢ | $50.05 | $609.00 |
| 38 | Pennsylvania | 18.36¢ | $52.88 | $643.33 |
| 39 | New Jersey | 18.48¢ | $53.22 | $647.54 |
| 40 | Michigan | 19.34¢ | $55.70 | $677.67 |
| 41 | Vermont | 21.43¢ | $61.72 | $750.91 |
| 42 | Alaska | 24.21¢ | $69.72 | $848.32 |
| 43 | New York | 24.33¢ | $70.07 | $852.52 |
| 44 | New Hampshire | 25.78¢ | $74.25 | $903.33 |
| 45 | Maine | 26.37¢ | $75.95 | $924.00 |
| 46 | Rhode Island | 28.08¢ | $80.87 | $983.92 |
| 47 | Massachusetts | 28.58¢ | $82.31 | $1,001.44 |
| 48 | Connecticut | 29.98¢ | $86.34 | $1,050.50 |
| 49 | California | 31.22¢ | $89.91 | $1,093.95 |
| 50 | Hawaii | 43.18¢ | $124.36 | $1,513.03 |
Save Money on Window Air Conditioner in Washington
- Set your thermostat to 78F when home to reduce Window Air Conditioner cooling costs by 10-15% in Washington.
- Use ceiling fans alongside your cooling system to feel cooler at higher thermostat settings.
- Keep blinds and curtains closed during peak sun hours to reduce cooling load.
- Seal air leaks around windows and doors to maximize Window Air Conditioner efficiency in Washington.
- Look for Energy Star certified Window Air Conditioner models that use 10-50% less energy than standard models.
- Consider installing solar panels in Washington to offset your Window Air Conditioner electricity costs.
- Check if your Washington utility offers time-of-use rates and run your Window Air Conditioner during off-peak hours.
- Ensure proper maintenance of your Window Air Conditioner to keep it running at peak efficiency.
Related Pages
More about Washington
More about Window Air Conditioner
Frequently Asked Questions
How much does it cost to run a Window Air Conditioner in Washington?
Running a Window Air Conditioner in Washington costs approximately $32.43 per month or $394.55 per year, based on the state's average residential rate of 11.26¢/kWh and typical usage of 8 hours per day.
Is running a Window Air Conditioner expensive in Washington compared to other states?
Washington ranks #2 out of 50 states for Window Air Conditioner running costs (1 = cheapest). It's 34.6% cheaper than the national average. The cheapest state is Idaho at $32.11/month, and the most expensive is Hawaii at $124.36/month.
How much electricity does a Window Air Conditioner use per month?
A typical Window Air Conditioner uses 1200 watts and runs about 8 hours per day, consuming approximately 9.60 kWh daily or 288.0 kWh per month.
How can I reduce Window Air Conditioner electricity costs in Washington?
You can reduce costs by using an Energy Star rated Window Air Conditioner, running it during off-peak hours if your utility offers time-of-use rates, ensuring proper maintenance, and considering solar panels to offset electricity costs in Washington.
What is the electricity rate in Washington?
The average residential electricity rate in Washington is 11.26¢ per kWh. The primary energy source is Hydroelectric, with 74.0% from renewable sources.
Was this data helpful?
Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)