Big Ass Fans Cool-Space 350
#10 in 2,000 CFM and upFull review
For a patio or work area without a handy hose, where long unattended runtime matters more than airflow per dollar.
Amazon $3,099$3,099
The Big Ass Fans Cool-Space 350 is the better evaporative cooler overall, rated 3.0 to 2.8. The Big Ass Fans Cool-Space 350 leads on tank and airflow. The Big Ass Fans Cool-Space 300 wins on value. The Big Ass Fans Cool-Space 300 costs $1,100 less ($1,999 vs $3,099).
Big Ass Fans Cool-Space 300
#12 in 2,000 CFM and upFull review
For a workshop or studio owner who wants a heavy duty cooler with thick media and a long warranty more than raw airflow per dollar.
Amazon $1,999$1,999
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Big Ass Fans Cool-Space 350 for tank (50 gal tank vs 16 gal tank) and airflow (3,400 CFM vs 2,800 CFM).
- Choose the Big Ass Fans Cool-Space 300 for value ($713.93 per 1,000 CFM ($1,999, 2,800 CFM) vs $911.47 per 1,000 CFM ($3,099, 3,400 CFM)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 2,000 CFM and up evaporative cooler; a clear win is highlighted. How we rank explains each one.
| Factor weight | Big Ass Fans Cool-Space 350 | Big Ass Fans Cool-Space 300 |
|---|---|---|
| Overall rating | 3.0/5 | 2.8/5 |
| Value 30% | 3 $911.47 per 1,000 CFM ($3,099, 3,400 CFM) | 12 $713.93 per 1,000 CFM ($1,999, 2,800 CFM) |
| Airflow 25% | 20 3,400 CFM | 7 2,800 CFM |
| Tank 10% | 100 50 gal tank | 36 16 gal tank |
| Features 15% | 50 rigid cooling pads, hose hookup | 50 rigid cooling pads, hose hookup |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Big Ass Fans Cool-Space 350 | Big Ass Fans Cool-Space 300 | |
|---|---|---|
| Cooling | ||
| Airflow | 3,400 CFM | 2,800 CFM |
| Cooling area | 2,300 sq ft | 1,200 sq ft |
| Cooling pads | Rigid cellulose | Rigid cellulose |
| Pad thickness | 8 in | 8 in |
| Tank | 50 gal | 16 gal |
| Hose hookup | Yes | Yes |
| Controls and build | ||
| Remote | No | - |
| Weight | 160 lb | 100 lb |
| Warranty | 5 years | 5 years |