Data through April 2026
Running cost · Air Purifiers · ENERGY STAR certified
Sharp KCP70UW
The Sharp KCP70UW's certified consumption is 225 kWh per year, which prices out to about $42 at the national average rate — your hours of use scale that directly. That's close to the middle of the certified pack — about 52% above the median air purifier, ranked 148 of 214. Where you live moves the bill from $28 a year in North Dakota to $105 in Hawaii. Note the certified pool here is small (214 models), so rankings shift more with each data refresh.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$42/yr
- Per month
- $3.53
- Per day
- 12¢
- Certified use
- 225 kWh/yr
- Rated room size
- 395 sq ft
- CADR (smoke)
- 255
- Technology
- Fan and Filter
- Efficiency
- 6.7 CFM/W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $39 | |
| Alaska | 27.4¢ | $62 | |
| Arizona | 15.5¢ | $35 | |
| Arkansas | 14.2¢ | $32 | |
| California | 35.3¢ | $79 | |
| Colorado | 16.5¢ | $37 | |
| Connecticut | 32.2¢ | $73 | |
| Delaware | 18.8¢ | $42 | |
| District of Columbia | 25.4¢ | $57 | |
| Florida | 15.4¢ | $35 | |
| Georgia | 15.4¢ | $35 | |
| Hawaiipriciest | 46.6¢ | $105 | |
| Idaho | 12.7¢ | $29 | |
| Illinois | 20.5¢ | $46 | |
| Indiana | 17.9¢ | $40 | |
| Iowa | 13.9¢ | $31 | |
| Kansas | 15.8¢ | $36 | |
| Kentucky | 15.0¢ | $34 | |
| Louisiana | 14.4¢ | $32 | |
| Maine | 28.4¢ | $64 | |
| Maryland | 22.1¢ | $50 | |
| Massachusetts | 29.4¢ | $66 | |
| Michigan | 21.4¢ | $48 | |
| Minnesota | 16.4¢ | $37 | |
| Mississippi | 16.8¢ | $38 | |
| Missouri | 14.0¢ | $32 | |
| Montana | 13.9¢ | $31 | |
| Nebraska | 13.3¢ | $30 | |
| Nevada | 14.3¢ | $32 | |
| New Hampshire | 27.2¢ | $61 | |
| New Jersey | 23.5¢ | $53 | |
| New Mexico | 15.2¢ | $34 | |
| New York | 29.4¢ | $66 | |
| North Carolina | 16.3¢ | $37 | |
| North Dakotacheapest | 12.3¢ | $28 | |
| Ohio | 19.5¢ | $44 | |
| Oklahoma | 13.3¢ | $30 | |
| Oregon | 15.8¢ | $36 | |
| Pennsylvania | 21.5¢ | $48 | |
| Rhode Island | 28.3¢ | $64 | |
| South Carolina | 17.1¢ | $38 | |
| South Dakota | 14.5¢ | $33 | |
| Tennessee | 14.9¢ | $34 | |
| Texas | 17.0¢ | $38 | |
| Utah | 13.3¢ | $30 | |
| Vermont | 24.6¢ | $55 | |
| Virginia | 17.4¢ | $39 | |
| Washington | 14.4¢ | $32 | |
| West Virginia | 16.1¢ | $36 | |
| Wisconsin | 19.2¢ | $43 | |
| Wyoming | 14.7¢ | $33 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Carrier RMAP-XLmost efficient | 226 | $43 |
| Blueair 3432111100most efficient | 227 | $43 |
| Blueair 5431111000 | 220 | $41 |
| Coway Airmega AP-1523D | 219 | $41 |
| Coway AP-1523D | 219 | $41 |
| Danby DAP290BAW | 218 | $41 |
Run your own numbers
Your rate, your numbers
- Per day
- 12¢
- Per month
- $3.53
- Per year
- $42
225 kWh/yr × 18.8¢/kWh = $42/yr
Prefilled with this model's certified 225 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the ENERGY STAR room air cleaner test basis, which assumes continuous daily operation. Running fewer hours costs proportionally less.
Questions, answered with the data
- How much electricity does the Sharp KCP70UW use?
- ENERGY STAR certifies the Sharp KCP70UW at 225 kWh per year. The certified annual kWh comes from the ENERGY STAR room air cleaner test basis, which assumes continuous daily operation. Running fewer hours costs proportionally less.
- How much does the Sharp KCP70UW cost to run per month?
- About $3.53 a month at the U.S. average residential rate (18.8¢/kWh) — 12¢ a day, or $42 a year. Your state's rate moves this up or down; see the table above.
- Is the Sharp KCP70UW energy efficient?
- It uses 52% more electricity than the median certified air purifier.
- What does the Sharp KCP70UW cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $28 a year in North Dakota (12.3¢/kWh) and $105 in Hawaii (46.6¢/kWh).