Half Off Ponds Pro Aeration 1/2 HP
#13 in Lake compressorsFull review
A shore-mounted diffused-aeration compressor for owners who want a US-supported brand and a weatherproof cabinet, at several times the price of generic kits.
Amazon $779$779
The Half Off Ponds Pro Aeration 1/2 HP rates 2.8 among lake compressors pond aerators; the Airmax EcoSeries Fountain, 1/2 HP rates 2.0 among floating aerators ones. The Half Off Ponds Pro Aeration 1/2 HP costs $1,220.99 less ($779 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
These two sit in different type classes (lake compressors and floating aerators), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Half Off Ponds Pro Aeration 1/2 HP | Airmax EcoSeries Fountain, 1/2 HP |
|---|---|---|
| Overall rating | 2.8/5 | 2.0/5 |
| Value 35% | 50 rated acreage not published (neutral score used) | 0 $3,999.98 per horsepower ($1,999.99) |
| Output 20% | 18 3.9 CFM of air | 20 0.5 HP motor |
| Efficiency 20% | 50 airflow 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
| Half Off Ponds Pro Aeration 1/2 HP | Airmax EcoSeries Fountain, 1/2 HP | |
|---|---|---|
| Aeration | ||
| Rated for | - | 0.2 acres |
| Maximum depth | - | 6 ft |
| Minimum depth | - | 24 in |
| Airflow | 3.9 CFM | - |
| Power | ||
| Motor | 0.5 HP | 0.5 HP |
| Running amps | 3.5 A | - |
| Voltage | 120 V | 115 V |
| In the box | ||
| Diffusers | 2 | - |
| Tubing | 100 ft | - |
| Power cord | - | 100 ft |
| Timer | - | Yes |
| Build | ||
| Warranty | 2 years | - |