Hoymiles HMS-2000-4T-NA
#1 in Four panelFull review
For large arrays of 450 W+ panels where cost per watt matters most. It handles the biggest panels on sale today.
Self2Solar $389$389
The Hoymiles HMS-2000-4T-NA is the better microinverter overall, rated 4.5 to 3.6. The Hoymiles HMS-2000-4T-NA leads on warranty, input current and value. The APsystems QS1 costs $94 less ($295 vs $389).
APsystems QS1
#5 in Four panelFull review
A four panel unit for 300 to 450 W panels at a low price per watt, but check that your utility accepts UL 1741 SA and price the warranty extension.
APsystems $295$295
Prices were last checked November 2, 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 Hoymiles HMS-2000-4T-NA for warranty (25-year warranty vs 10-year warranty), input current (16 A per input vs 14 A per input) and value ($0.20 per watt ($389, 1,918 W) vs $0.25 per watt ($295, 1,200 W)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every four panel microinverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hoymiles HMS-2000-4T-NA | APsystems QS1 |
|---|---|---|
| Overall rating | 4.5/5 | 3.6/5 |
| Value 25% | 78 $0.20 per watt ($389, 1,918 W) | 64 $0.25 per watt ($295, 1,200 W) |
| Grid listing 20% | 100 UL 1741 listed, meets rapid shutdown | 100 UL 1741 listed, meets rapid shutdown |
| Efficiency 15% | 60 96.5% CEC weighted efficiency | 60 96.5% CEC weighted efficiency |
| Input current 15% | 75 16 A per input | 50 14 A per input |
| Warranty 25% | 100 25-year warranty | 25 10-year warranty |
Specifications
| Hoymiles HMS-2000-4T-NA | APsystems QS1 | |
|---|---|---|
| Output | ||
| Panel inputs | 4 | 4 |
| AC output | 1,918 W | 1,200 W |
| Grid voltage | 240 V split phase or 208 V | 240 V split phase or 208 V |
| CEC efficiency | 96.5% | 96.5% |
| Peak efficiency | 96.5% | 96.5% |
| Panel input | ||
| Largest panel | 670 W | 525 W |
| Current per input | 16 A | 14 A |
| MPPT range | 16 to 60 V | 22 to 48 V |
| Listing and build | ||
| UL 1741 | Yes | Yes |
| Rapid shutdown | Yes | Yes |
| Monitoring | gateway (sold separately) | gateway (sold separately) |
| Enclosure | IP67 (NEMA 6) | NEMA 6 |
| Weight | 12.3 lb | 9.9 lb |
| Warranty | 25 years | 10 years |
| Released | 2023-01 | - |