COOLTUREK250F-D

Air purifier · sold under 2 brands

DOE certified smoke CADR

130cfmDOE test

Dust 140 · PM2.5 135 cfm

Effective room size 202 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

COOLTURE K250F-D: certified to DOE with smoke CADR 130 cfm, dust 140, PM2.5 135, effective room size 202 sq ft. The same unit is also filed as Purivortex K250F-D. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model K250F-D. A listing with any of these numbers is this unit.

Every model number filed under basic model K250F-D, DOE data as of 2026-11-03
Model numberFiled by
K250F-D (DOE basic model)COOLTURE, Purivortex
PX700COOLTURE, Purivortex

Same unit, 2 brands

Every brand files K250F-D, PX700.

130 cfm under every name. Choose on price, warranty and what's in stock.

Both filed under DOE basic model K250F-D. Listing status as of 2026-11-03.

Compare the 2 brands on one page

How much does the COOLTURE K250F-D cost to run?

About $3.15 a month, or $37.77 a year, on DOE's annual energy figure of 208 kWh.

Electricity at 18.16¢/kWh, the US residential average for August 2026 (EIA Electric Power Monthly, table 5.6.A). Each 1¢/kWh you pay above or below 18.16¢ moves the yearly figure by $2.08.

How does the COOLTURE K250F-D rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 100 to 149 cfm), 28 models have a matched Amazon listing. Its CADR/W of 3.8 is tied for 18th of the 28, and 22% below their median of 4.85.

DOE's annual energy figure for it is 208 kWh, against their median of 168 kWh: $7.26 a year more at the US average price.

Air purifiers for 200 sq ft (80 with a listing)

Among 66 air purifiers, PM2.5 CADR 100 to 149 cfm

Smoke CADR (cfm)130

Higher than 35 of 66. 3 others share 130.

93145 cfm

Efficiency (CADR/W)3.8

Higher than 19 of 66. 4 others share 3.8.

2.49.1

Three to compare with

From models with a matched listing.

  • Within 20 cfm of its size, highest CADR/W

    AROEVE DH-JH021US-A00138 smoke CADR

    Room size 214 sq ft, CADR/W 8: about 53% less power for the same clean air.

  • Nearest size in its class with a higher CADR/W

    Windmill SAP2V1130 smoke CADR

    Room size 202 sq ft, CADR/W 6.4: about 41% less power for the same clean air.

  • Nearest bigger unit

    AIRFIRE AP201151 smoke CADR

    Room size 234 sq ft, CADR/W 3.5.

DOE record

Air cleaning

Smoke CADR
130 cfm
Dust CADR
140 cfm
PM2.5 CADR
135 cfm
Effective room size
202 sq ft
Efficiency (IEF)
3.8 cfm/W
Energy use
208 kWh/year

Record

DOE basic model
K250F-D
DOE class
100 <= PM2.5 Clean Air Delivery Rate < 150
Brands on the filings
2
In DOE's list since
2026-11-02first snapshot we hold

Questions

What room size is it for?
DOE lists an effective room size of 202 sq ft, based on its smoke CADR of 130 cfm: CADR and room size.
How much does the COOLTURE K250F-D cost to run for a year?
About $37.77: DOE's annual figure of 208 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).
Who makes the COOLTURE K250F-D?
DOE's database has no manufacturer field, so the record doesn't say. It does show 2 brands filing one basic model, K250F-D: COOLTURE and Purivortex.
Is the COOLTURE K250F-D the same as the Purivortex K250F-D?
Yes, by DOE's records. Purivortex files K250F-D and PX700 under the same basic model, K250F-D, with the same 130 cfm.