Hessaire MC61
For a big garage, shop or patio that needs real airflow on a budget. Pricier per CFM than the MC37 at current prices but covers far more space.
Amazon $699.85$699.85
The Hessaire MC61 is the better evaporative cooler overall, rated 3.3 to 3.0. The Hessaire MC61 leads on value, airflow and features. The Big Ass Fans Cool-Space 350 wins on warranty and tank. The Hessaire MC61 costs $2,399.15 less ($699.85 vs $3,099).
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
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 MC61 for value ($132.05 per 1,000 CFM ($699.85, 5,300 CFM) vs $911.47 per 1,000 CFM ($3,099, 3,400 CFM)), airflow (5,300 CFM vs 3,400 CFM) and features (rigid cooling pads, oscillation, hose hookup vs rigid cooling pads, hose hookup).
- Choose the Big Ass Fans Cool-Space 350 for warranty (5-year warranty vs 1-year warranty) and tank (50 gal tank vs 14.6 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 MC61 | Big Ass Fans Cool-Space 350 |
|---|---|---|
| Overall rating | 3.3/5 | 3.0/5 |
| Value 30% | 72 $132.05 per 1,000 CFM ($699.85, 5,300 CFM) | 3 $911.47 per 1,000 CFM ($3,099, 3,400 CFM) |
| Airflow 25% | 62 5,300 CFM | 20 3,400 CFM |
| Tank 10% | 30 14.6 gal tank | 100 50 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 MC61 | Big Ass Fans Cool-Space 350 | |
|---|---|---|
| Cooling | ||
| Airflow | 5,300 CFM | 3,400 CFM |
| Cooling area | 1,600 sq ft | 2,300 sq ft |
| Cooling pads | Rigid cellulose | Rigid cellulose |
| Pad thickness | - | 8 in |
| Tank | 14.6 gal | 50 gal |
| Hose hookup | Yes | Yes |
| Controls and build | ||
| Fan speeds | 3 | - |
| Oscillation | Yes | - |
| Remote | No | No |
| Power draw | 430 W | - |
| Weight | 57 lb | 160 lb |
| Warranty | 1 year | 5 years |