WindmillSAP2V1
Air purifier
DOE certified smoke CADR
130cfmDOE test
Dust 159 · PM2.5 143 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
Windmill SAP2V1: certified to DOE with smoke CADR 130 cfm, dust 159, PM2.5 143, effective room size 202 sq ft. DOE data as of 2026-11-03.
Every model number on this record
Filed with DOE under basic model SAP2V1. A listing with any of these numbers is this unit.
| Model number | Filed by |
|---|---|
| SAP2V1 (DOE basic model) | Windmill |
| SAP1V1 | Windmill |
| SAP3V1 | Windmill |
| SAP4V1 | Windmill |
| SAP5V1 | Windmill |
| SAP6V1 | Windmill |
How much does the Windmill SAP2V1 cost to run?
About $2.00 a month, or $23.97 a year, on DOE's annual energy figure of 132 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 $1.32.
How does the Windmill SAP2V1 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 6.4 is 4th of the 28, and 32% above their median of 4.85.
DOE's annual energy figure for it is 132 kWh, against their median of 168 kWh: $6.54 a year less 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)6.4
Higher than 55 of 66.
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- 138 smoke CADRA00 Room size 214 sq ft, CADR/W 8: about 20% less power for the same clean air.
Nearest size in its class with a higher CADR/W
AEOCKY LunaPure-EJH100 137 smoke CADRRoom size 212 sq ft, CADR/W 7.5: about 15% less power for the same clean air.
Nearest bigger unit
AIRFIRE AP201151 smoke CADRRoom size 234 sq ft, CADR/W 3.5.
DOE record
Air cleaning
- Smoke CADR
- 130 cfm
- Dust CADR
- 159 cfm
- PM2.5 CADR
- 143 cfm
- Effective room size
- 202 sq ft
- Efficiency (IEF)
- 6.4 cfm/W
- Energy use
- 132 kWh/year
Record
- DOE basic model
- SAP2V1
- DOE class
- 100 <= PM2.5 Clean Air Delivery Rate < 150
- Brands on the filings
- 1
- In DOE's list since
- 2026-11-02first snapshot we hold
- UPC (ENERGY STAR record)
- 860014898426, 860014898433, 860014898440, 860014898457
- ENERGY STAR record
- SAP2V1certified 2026-02-10
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 Windmill SAP2V1 cost to run for a year?
- About $23.97: DOE's annual figure of 132 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).