Data through April 2026
Running cost · Air Purifiers · ENERGY STAR certified
Greenlite G-Pure-7W
The Greenlite G-Pure-7W's certified consumption is 33 kWh per year, which prices out to about $6.21 at the national average rate — your hours of use scale that directly. Only a handful of certified air purifiers do better: it ranks 7 of 214 and undercuts the median by 78%. Where you live moves the bill from $4.08 a year in North Dakota to $15 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria. 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
$6.21/yr
- Per month
- $0.52
- Per day
- 2¢
- Certified use
- 33 kWh/yr
- Rated room size
- 48 sq ft
- CADR (smoke)
- 31
- Technology
- Fan and Filter
- Efficiency
- 5.4 CFM/W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $5.75 | |
| Alaska | 27.4¢ | $9.03 | |
| Arizona | 15.5¢ | $5.11 | |
| Arkansas | 14.2¢ | $4.67 | |
| California | 35.3¢ | $12 | |
| Colorado | 16.5¢ | $5.46 | |
| Connecticut | 32.2¢ | $11 | |
| Delaware | 18.8¢ | $6.20 | |
| District of Columbia | 25.4¢ | $8.39 | |
| Florida | 15.4¢ | $5.08 | |
| Georgia | 15.4¢ | $5.07 | |
| Hawaiipriciest | 46.6¢ | $15 | |
| Idaho | 12.7¢ | $4.19 | |
| Illinois | 20.5¢ | $6.76 | |
| Indiana | 17.9¢ | $5.91 | |
| Iowa | 13.9¢ | $4.57 | |
| Kansas | 15.8¢ | $5.21 | |
| Kentucky | 15.0¢ | $4.96 | |
| Louisiana | 14.4¢ | $4.77 | |
| Maine | 28.4¢ | $9.38 | |
| Maryland | 22.1¢ | $7.28 | |
| Massachusetts | 29.4¢ | $9.72 | |
| Michigan | 21.4¢ | $7.06 | |
| Minnesota | 16.4¢ | $5.41 | |
| Mississippi | 16.8¢ | $5.53 | |
| Missouri | 14.0¢ | $4.62 | |
| Montana | 13.9¢ | $4.59 | |
| Nebraska | 13.3¢ | $4.38 | |
| Nevada | 14.3¢ | $4.72 | |
| New Hampshire | 27.2¢ | $8.99 | |
| New Jersey | 23.5¢ | $7.76 | |
| New Mexico | 15.2¢ | $5.00 | |
| New York | 29.4¢ | $9.72 | |
| North Carolina | 16.3¢ | $5.36 | |
| North Dakotacheapest | 12.3¢ | $4.08 | |
| Ohio | 19.5¢ | $6.43 | |
| Oklahoma | 13.3¢ | $4.39 | |
| Oregon | 15.8¢ | $5.21 | |
| Pennsylvania | 21.5¢ | $7.09 | |
| Rhode Island | 28.3¢ | $9.34 | |
| South Carolina | 17.1¢ | $5.63 | |
| South Dakota | 14.5¢ | $4.79 | |
| Tennessee | 14.9¢ | $4.93 | |
| Texas | 17.0¢ | $5.61 | |
| Utah | 13.3¢ | $4.39 | |
| Vermont | 24.6¢ | $8.10 | |
| Virginia | 17.4¢ | $5.74 | |
| Washington | 14.4¢ | $4.74 | |
| West Virginia | 16.1¢ | $5.30 | |
| Wisconsin | 19.2¢ | $6.34 | |
| Wyoming | 14.7¢ | $4.84 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| AeroNova DH-JH01Amost efficient | 33 | $6.21 |
| AeroNova MK01Amost efficient | 33 | $6.21 |
| ALROCKET MK01Amost efficient | 33 | $6.21 |
| AROEVE MK01Amost efficient | 33 | $6.21 |
| BREEZOME MK01Amost efficient | 33 | $6.21 |
| KLOUDIC MK01Amost efficient | 33 | $6.21 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.52
- Per year
- $6.21
33 kWh/yr × 18.8¢/kWh = $6.21/yr
Prefilled with this model's certified 33 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 Greenlite G-Pure-7W use?
- ENERGY STAR certifies the Greenlite G-Pure-7W at 33 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 Greenlite G-Pure-7W cost to run per month?
- About $0.52 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.21 a year. Your state's rate moves this up or down; see the table above.
- Is the Greenlite G-Pure-7W energy efficient?
- It uses 78% less electricity than the median certified air purifier, placing it in the top 10% of certified models. It also meets ENERGY STAR's Most Efficient criteria.
- What does the Greenlite G-Pure-7W cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $4.08 a year in North Dakota (12.3¢/kWh) and $15 in Hawaii (46.6¢/kWh).