Kasco 1/2 HP Surface Aerator
A 0.5 HP floating aerator from a maker with US support, for owners who want a unit built to stay in the water year round and are willing to pay for the warranty.
Amazon $1,508$1,508
The Kasco 1/2 HP Surface Aerator is the better pond aerator overall, rated 2.2 to 2.0. The Kasco 1/2 HP Surface Aerator costs $491.99 less ($1,508 vs $1,999.99).
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Airmax EcoSeries Fountain, 1/2 HP
A 0.5 HP floating aerator from a maker with US support, for owners who want a unit built to stay in the water year round and are willing to pay for the warranty.
Amazon $1,999.99$1,999.99
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every floating aerators pond aerator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Kasco 1/2 HP Surface Aerator | Airmax EcoSeries Fountain, 1/2 HP |
|---|---|---|
| Overall rating | 2.2/5 | 2.0/5 |
| Value 35% | 0 $3,016 per horsepower ($1,508) | 0 $3,999.98 per horsepower ($1,999.99) |
| Output 20% | 20 0.5 HP motor | 20 0.5 HP motor |
| Efficiency 20% | 50 flow or watts not published (neutral score used) | 50 flow or watts not published (neutral score used) |
| Warranty 25% | 25 2-year warranty | 0 warranty not published, scored as none |
Specifications
| Kasco 1/2 HP Surface Aerator | Airmax EcoSeries Fountain, 1/2 HP | |
|---|---|---|
| Aeration | ||
| Rated for | 0.5 acres | 0.2 acres |
| Maximum depth | - | 6 ft |
| Minimum depth | 15 in | 24 in |
| Power | ||
| Motor | 0.5 HP | 0.5 HP |
| Running amps | 5 A | - |
| Voltage | 120 V | 115 V |
| In the box | ||
| Power cord | 100 ft | 100 ft |
| Timer | - | Yes |
| Build | ||
| Warranty | 2 years | - |