Cost to Run Central Air Conditioner in Maryland (2026)
At Maryland's average rate of 16.57¢/kWh, running a Central Air Conditioner costs $139.19/month or $1,693.45/year. That's 3.8% less than the national average of $144.65/month.
Monthly Cost
$139.19
in Maryland
Yearly Cost
$1,693.45
in Maryland
State Rate
16.57¢
per kWh
National Rank
#36
of 50 states
Central Air Conditioner Energy Usage
| Wattage | 3,500 watts |
| Typical Daily Use | 8 hours/day |
| Daily kWh | 28.00 kWh |
| Monthly kWh | 840.0 kWh |
| Category | Cooling |
Maryland vs National Average: Central Air Conditioner Costs
| Metric | Maryland | National Avg | Difference |
|---|---|---|---|
| Electricity Rate | 16.57¢/kWh | 17.22¢/kWh | -0.65¢ |
| Monthly Central Air Conditioner Cost | $139.19 | $144.65 | $-5.46 |
| Yearly Central Air Conditioner Cost | $1,693.45 | $1,759.88 | $-66.43 |
Central Air Conditioner Cost in Neighboring States
How does running a Central Air Conditioner in Maryland compare to nearby states?
| State | Rate | Monthly | Yearly | vs MD |
|---|---|---|---|---|
| Maryland (this state) | 16.57¢ | $139.19 | $1,693.45 | - |
| Delaware | 14.94¢ | $125.50 | $1,526.87 | $-13.69 |
| Pennsylvania | 18.36¢ | $154.22 | $1,876.39 | +$15.04 |
| Virginia | 14.64¢ | $122.98 | $1,496.21 | $-16.21 |
| West Virginia | 13.44¢ | $112.90 | $1,373.57 | $-26.29 |
Central Air Conditioner Cost: All 50 States Ranked
Maryland ranks #36 out of 50 for Central Air Conditioner running costs (1 = cheapest).
| # | State | Rate | Monthly | Yearly |
|---|---|---|---|---|
| 1 | Idaho | 11.15¢ | $93.66 | $1,139.53 |
| 2 | Washington | 11.26¢ | $94.58 | $1,150.77 |
| 3 | Utah | 11.41¢ | $95.84 | $1,166.10 |
| 4 | Wyoming | 11.72¢ | $98.45 | $1,197.78 |
| 5 | North Dakota | 12.43¢ | $104.41 | $1,270.35 |
| 6 | Louisiana | 12.52¢ | $105.17 | $1,279.54 |
| 7 | Oregon | 12.55¢ | $105.42 | $1,282.61 |
| 8 | Montana | 12.81¢ | $107.60 | $1,309.18 |
| 9 | Oklahoma | 12.82¢ | $107.69 | $1,310.20 |
| 10 | Tennessee | 12.91¢ | $108.44 | $1,319.40 |
| 11 | Arkansas | 13.04¢ | $109.54 | $1,332.69 |
| 12 | Nebraska | 13.08¢ | $109.87 | $1,336.78 |
| 13 | Kentucky | 13.19¢ | $110.80 | $1,348.02 |
| 14 | West Virginia | 13.44¢ | $112.90 | $1,373.57 |
| 15 | Mississippi | 13.54¢ | $113.74 | $1,383.79 |
| 16 | South Dakota | 13.74¢ | $115.42 | $1,404.23 |
| 17 | Missouri | 13.78¢ | $115.75 | $1,408.32 |
| 18 | North Carolina | 14.09¢ | $118.36 | $1,440.00 |
| 19 | Georgia | 14.27¢ | $119.87 | $1,458.39 |
| 20 | South Carolina | 14.43¢ | $121.21 | $1,474.75 |
| 21 | Virginia | 14.64¢ | $122.98 | $1,496.21 |
| 22 | Arizona | 14.78¢ | $124.15 | $1,510.52 |
| 23 | Alabama | 14.87¢ | $124.91 | $1,519.71 |
| 24 | Nevada | 14.92¢ | $125.33 | $1,524.82 |
| 25 | Delaware | 14.94¢ | $125.50 | $1,526.87 |
| 26 | Texas | 15.06¢ | $126.50 | $1,539.13 |
| 27 | Iowa | 15.14¢ | $127.18 | $1,547.31 |
| 28 | Ohio | 15.21¢ | $127.76 | $1,554.46 |
| 29 | Kansas | 15.28¢ | $128.35 | $1,561.62 |
| 30 | New Mexico | 15.34¢ | $128.86 | $1,567.75 |
| 31 | Indiana | 15.42¢ | $129.53 | $1,575.92 |
| 32 | Colorado | 15.56¢ | $130.70 | $1,590.23 |
| 33 | Minnesota | 15.63¢ | $131.29 | $1,597.39 |
| 34 | Florida | 16.22¢ | $136.25 | $1,657.68 |
| 35 | Illinois | 16.27¢ | $136.67 | $1,662.79 |
| 36 | Maryland | 16.57¢ | $139.19 | $1,693.45 |
| 37 | Wisconsin | 17.38¢ | $145.99 | $1,776.24 |
| 38 | Pennsylvania | 18.36¢ | $154.22 | $1,876.39 |
| 39 | New Jersey | 18.48¢ | $155.23 | $1,888.66 |
| 40 | Michigan | 19.34¢ | $162.46 | $1,976.55 |
| 41 | Vermont | 21.43¢ | $180.01 | $2,190.15 |
| 42 | Alaska | 24.21¢ | $203.36 | $2,474.26 |
| 43 | New York | 24.33¢ | $204.37 | $2,486.53 |
| 44 | New Hampshire | 25.78¢ | $216.55 | $2,634.72 |
| 45 | Maine | 26.37¢ | $221.51 | $2,695.01 |
| 46 | Rhode Island | 28.08¢ | $235.87 | $2,869.78 |
| 47 | Massachusetts | 28.58¢ | $240.07 | $2,920.88 |
| 48 | Connecticut | 29.98¢ | $251.83 | $3,063.96 |
| 49 | California | 31.22¢ | $262.25 | $3,190.68 |
| 50 | Hawaii | 43.18¢ | $362.71 | $4,413.00 |
Save Money on Central Air Conditioner in Maryland
- Set your thermostat to 78F when home to reduce Central Air Conditioner cooling costs by 10-15% in Maryland.
- 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 Central Air Conditioner efficiency in Maryland.
- Look for Energy Star certified Central Air Conditioner models that use 10-50% less energy than standard models.
- Consider installing solar panels in Maryland to offset your Central Air Conditioner electricity costs.
- Check if your Maryland utility offers time-of-use rates and run your Central Air Conditioner during off-peak hours.
- Ensure proper maintenance of your Central Air Conditioner to keep it running at peak efficiency.
Related Pages
More about Maryland
More about Central Air Conditioner
Frequently Asked Questions
How much does it cost to run a Central Air Conditioner in Maryland?
Running a Central Air Conditioner in Maryland costs approximately $139.19 per month or $1,693.45 per year, based on the state's average residential rate of 16.57¢/kWh and typical usage of 8 hours per day.
Is running a Central Air Conditioner expensive in Maryland compared to other states?
Maryland ranks #36 out of 50 states for Central Air Conditioner running costs (1 = cheapest). It's 3.8% cheaper than the national average. The cheapest state is Idaho at $93.66/month, and the most expensive is Hawaii at $362.71/month.
How much electricity does a Central Air Conditioner use per month?
A typical Central Air Conditioner uses 3500 watts and runs about 8 hours per day, consuming approximately 28.00 kWh daily or 840.0 kWh per month.
How can I reduce Central Air Conditioner electricity costs in Maryland?
You can reduce costs by using an Energy Star rated Central 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 Maryland.
What is the electricity rate in Maryland?
The average residential electricity rate in Maryland is 16.57¢ per kWh. The primary energy source is Nuclear, with 12.0% from renewable sources.
Was this data helpful?
Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)