Hessaire MC37
#11 in 2,000 CFM and upFull review
The value pick for a garage, patio or shop in a dry climate: lots of airflow per dollar with oscillation and a hose hookup.
Amazon $398$398
The Hessaire MC37 and the Big Ass Fans Cool-Space 300 are evenly matched, rated 2.8 and 2.8. The Hessaire MC37 leads on value and features. The Big Ass Fans Cool-Space 300 wins on warranty and tank. The Hessaire MC37 costs $1,601 less ($398 vs $1,999).
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 Hessaire MC37 for value ($128.39 per 1,000 CFM ($398, 3,100 CFM) vs $713.93 per 1,000 CFM ($1,999, 2,800 CFM)) and features (rigid cooling pads, oscillation, hose hookup vs rigid cooling pads, hose hookup).
- Choose the Big Ass Fans Cool-Space 300 for warranty (5-year warranty vs 1-year warranty) and tank (16 gal tank vs 10.3 gal tank).
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 | Hessaire MC37 | Big Ass Fans Cool-Space 300 |
|---|---|---|
| Overall rating | 2.8/5 | 2.8/5 |
| Value 30% | 73 $128.39 per 1,000 CFM ($398, 3,100 CFM) | 12 $713.93 per 1,000 CFM ($1,999, 2,800 CFM) |
| Airflow 25% | 13 3,100 CFM | 7 2,800 CFM |
| Tank 10% | 10 10.3 gal tank | 36 16 gal tank |
| Features 15% | 75 rigid cooling pads, oscillation, hose hookup | 50 rigid cooling pads, hose hookup |
| Warranty 20% | 0 1-year warranty | 100 5-year warranty |
Specifications
| Hessaire MC37 | Big Ass Fans Cool-Space 300 | |
|---|---|---|
| Cooling | ||
| Airflow | 3,100 CFM | 2,800 CFM |
| Cooling area | 950 sq ft | 1,200 sq ft |
| Cooling pads | Rigid cellulose | Rigid cellulose |
| Pad thickness | - | 8 in |
| Tank | 10.3 gal | 16 gal |
| Hose hookup | Yes | Yes |
| Controls and build | ||
| Fan speeds | 3 | - |
| Oscillation | Yes | - |
| Remote | No | - |
| Power draw | 250 W | - |
| Weight | 40 lb | 100 lb |
| Warranty | 1 year | 5 years |