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 3.0. The AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM leads on output. The WRSTER-TECH 1/2 HP Pond Aerator costs $85 less ($274.99 vs $359.99).
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.
WRSTER-TECH 1/2 HP Pond Aerator
#10 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 $274.99$274.99
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).
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 | WRSTER-TECH 1/2 HP Pond Aerator |
|---|---|---|
| Overall rating | 3.8/5 | 3.0/5 |
| Value 35% | 70 $120 per rated acre ($359.99) | 77 $91.66 per rated acre ($274.99) |
| 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 | WRSTER-TECH 1/2 HP Pond Aerator | |
|---|---|---|
| Aeration | ||
| Rated for | 3 acres | 3 acres |
| Maximum depth | 50 ft | 50 ft |
| Airflow | 8.2 CFM | 4.7 CFM |
| Power | ||
| Motor | 0.8 HP, 550 W | 0.5 HP |
| Noise | 60 dB | 60 dB |
| In the box | ||
| Diffusers | None | 1 |
| Tubing | - | 100 ft |
| Timer | Yes | Yes |