EP-KJTS01-140-25W (Longstar, ENERGY STAR Certified) uses 144 kWh per year, an estimated $24.48/yr to run, ranking 38th cheapest of 80 sampled air purifiers, 1% below the $24.82/yr median of the 80 sampled models.
Certification: ENERGY STAR Certified
EP-KJTS01-140-25W
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| Cost rank in category | 38th of 80 |
| Cost percentile | bottom 46% |
| Vs category median | 1% below ($24.82/yr) |
| Rank within same status | 18th of 57 (Median $27.54/yr) |
| Category low to high | $5.10/yr ~ $67.35/yr |
| Spec | Value |
|---|---|
| energy star partner | Maxlite |
| room size sq ft | 229 |
| dust free clean air delivery | 159.0 |
| smoke free clean air delivery | 148.0 |
| pollen free clean air delivery | 174.0 |
| dust free clean air delivery rate cfm w | 6.52 |
| smoke free clean air delivery rate cfm w | 5.99 |
| pollen free clean air delivery rate cfm w | 7.07 |
| pm25 cadr | 154.0 |
| integrated energy factor cfm w | 6.2 |
| annual energy use kwh yr | 144.00 |
| technology types | Fan and Filter |
| ozone emissions ppb | 0.00 |
| filter 1 type | HEPA-Type |
| connected capable | No |
| connects using | None |
| Model | Certification | Est. energy cost |
|---|---|---|
| AP215SF4B | ENERGY STAR Certified | $24.48/yr |
| LAP-C341S-WUSZ | ENERGY STAR Certified | $24.65/yr |
| DR-HAP005AS | ENERGY STAR Certified | $24.82/yr |
| DR-HAP005AS | ENERGY STAR Certified | $24.82/yr |
| DR-HAP010S | ENERGY STAR Certified | $25.16/yr |
The Longstar EP-KJTS01-140-25W is certified at 144 kWh per year, which works out to about $24.48/yr at the flat rate assumed on this site. Certified figures come from standardized test procedures, so your actual bill varies with usage and your local electricity rate.
Among the 80 air purifiers compared on this site, the Longstar EP-KJTS01-140-25W ranks 38th cheapest to run and sits in the bottom 46% of the cost range. That is 1% below the category median of $24.82/yr. The cheapest sampled model runs at $5.10/yr and the most expensive at $67.35/yr.
The Longstar EP-KJTS01-140-25W is listed as ENERGY STAR Certified. Among the 57 sampled air purifiers with that status the median running cost is $27.54/yr, and the Longstar EP-KJTS01-140-25W ranks 18th cheapest within that group. Certification status reflects efficiency relative to product class, not absolute energy use.
Simple estimate, 30 days per month (assuming $0.17/kWh)