Air King 20" Box Fan vs Lasko 20" Box Fan
Buy the Lasko 20" Box Fan for most homes: it moves up to 1,800 CFM, is rated for window mounting, and has a weather-resistant motor for window use. Buy the Air King 20" Box Fan if you want the higher 2,163 CFM ceiling and commercial-grade build for a garage or shop. The Air King's lowest recorded daily price was $51.34 on October 30, 2026; no current Lasko price was given, so compare live store prices before deciding.
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Air King 20" Box Fan
4Choose the Air King if you need maximum airflow and a commercial-grade fan for a garage, shop, or large room.
- Highest airflow of the two at 2,163 CFM
- Quieter on paper at 60 dB max
- Commercial-grade build with impact-resistant grille
- Top-mounted rotary switch is easy to reach
- Carry handle built in
- Not rated for window mounting
- Small rating base of 22 reviews
- No oscillation or remote
- 4 of 5 rating trails the Lasko
What separates them
| Air King 20" Box Fan | Lasko 20" Box Fan | |
|---|---|---|
| Max airflow | 2,163 CFM | 1,800 CFM (1,710 CFM in the description) |
| Window use | Not rated for window mounting | Weather-resistant motor, window mount listed |
| Noise | 60 dB max | 100 dB max |
| Build | Commercial grade, impact-resistant plastic grille | Steel and plastic, classic home style |
| Controls | Top-mounted rotary switch | Top-mounted manual controls |
| Power draw | 166 watts, 1.3 amps, 8 ft cord | Not listed |
| Ratings | 4 of 5 from 22 ratings | 4.5 of 5 from 55,047 ratings |
| Price |
Price history
- Air King 20" Box Fan: lowest $51.34 on Oct 30 at Ferguson Home; $51.34 on Nov 2.
- Lasko 20" Box Fan: lowest $25.99 on Nov 2 at Gabriel Building Supply Ponchatoula.
Prices at every store
Air King 20" Box Fan
- eBayCheck price at eBay
- Ferguson HomeCheck price at Ferguson Home
- Home Essentials DirectCheck price at Home Essentials Direct
Lasko 20" Box Fan
- Gabriel Building Supply PonchatoulaCheck price at Gabriel Building Supply Ponchatoula
- WalmartCheck price at Walmart
Specs compared
| Spec | Air King 20" Box Fan | Lasko 20" Box Fan |
|---|---|---|
| Fan Size | 20-inch | 20 inch |
| Height | 22.5 inch | 22.56 in |
| Length | 6.38 inch | 21.5 in |
| Width | 21.38 inch | 4.44 in |
| Mounting Type | Floor | Floor |
| Max Noise Level | 60 Decibels | 100 dB |
| Wall Mount | No | Yes |
| Window Mount | No | Yes |
| Clip-On | No | No |
| Number Of Speeds | 3 | 3 |
| Oscillation |
What reviewers say
Air King 20" Box Fan
Rated 4 out of 5 from 22 ratings. Owners generally treat it as a strong, simple air mover rather than a comfort fan.
- Moves a large volume of air
- Straightforward knob controls
- Feels sturdy for the price
- Loud on the high setting
- No oscillation or tilt
- Large and heavy to move around
Lasko 20" Box Fan
With more than 55,000 ratings averaging 4.5 out of 5, owners treat this as a dependable cheap workhorse for moving air. Most praise the airflow and price; the common complaints are noise and long-term durability.
- Strong airflow for the price
- Simple to set up and move around
Questions and answers
- Which is better for a bedroom?
- The Air King, mainly on noise: its listed max is 60 dB versus 100 dB for the Lasko. Neither oscillates, so aim it where you want the air.
- Can I put either one in a window?
- The Lasko is the safer pick. It lists window mounting and a weather-resistant motor. The Air King is listed for floor placement only.
- Which moves more air?
- The Air King, at up to 2,163 CFM versus 1,800 CFM for the Lasko. The Lasko description cites 1,710 CFM, so expect a modest gap in practice.
- Is the Lasko worth it over the Air King?
- If you need window use or want a fan with a long track record, yes. Its 4.5 rating comes from over 55,000 reviews versus 22 for the Air King.
- Which lasts longer?
- Neither maker publishes a lifespan figure here. The Air King is sold as commercial grade with an impact-resistant grille; the Lasko has a much larger review base to judge reliability from.
- How much do they cost?
- The Air King's lowest recorded daily price was $51.34 on October 30, 2026. No Lasko price was given, so check current store prices before buying.