AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM
A shore-mounted diffused-aeration compressor rated for 3 acres for buyers who will buy their own tubing and diffusers and want the motor at the lowest price.
Amazon $359.99$359.99
The AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM is the better pond aerator overall, rated 3.8 to 2.8. The AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM leads on output and value. The AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM costs $190 less ($359.99 vs $549.99).
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.
HQUA PAS20 Pond Aeration System
#14 in Lake compressorsFull review
A shore-mounted diffused-aeration compressor rated for 3 acres that comes with tubing and diffusers, for a pond or small lake where electricity is on shore.
Amazon $549.99$549.99
Which should you buy?
- Choose the AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM for output (8.2 CFM of air vs 4.7 CFM of air) and value ($120 per rated acre ($359.99) vs $183.33 per rated acre ($549.99)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every lake compressors pond aerator; a clear win is highlighted. How we rank explains each one.
| Factor weight | AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM | HQUA PAS20 Pond Aeration System |
|---|---|---|
| Overall rating | 3.8/5 | 2.8/5 |
| Value 35% | 70 $120 per rated acre ($359.99) | 58 $183.33 per rated acre ($549.99) |
| Output 20% | 100 8.2 CFM of air | 34 4.7 CFM of air |
| Efficiency 20% | 100 1.5 CFM per 100 W | 50 airflow or watts not published (neutral score used) |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM | HQUA PAS20 Pond Aeration System | |
|---|---|---|
| Aeration | ||
| Rated for | 3 acres | 3 acres |
| Maximum depth | 50 ft | 65 ft |
| Airflow | 8.2 CFM | 4.7 CFM |
| Power | ||
| Motor | 0.8 HP, 550 W | 0.8 HP |
| Running amps | - | 6.2 A |
| Noise | 60 dB | - |
| In the box | ||
| Diffusers | None | 2 |
| Tubing | - | 200 ft |
| Timer | Yes | Yes |