Hoymiles HMS-1800-4T-NA vs Hoymiles HMS-2000-4T-NA

Last updated: November 2, 2026

The Hoymiles HMS-2000-4T-NA is the better microinverter overall, rated 4.5 to 4.3. The Hoymiles HMS-2000-4T-NA leads on input current. The Hoymiles HMS-1800-4T-NA costs $20 less ($369 vs $389).

Hoymiles HMS-1800-4T-NA vs Hoymiles HMS-2000-4T-NA

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?

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 weightHoymiles HMS-2000-4T-NAHoymiles HMS-1800-4T-NA
Overall rating4.5/54.3/5
Value 25%78 $0.20 per watt ($389, 1,918 W)72 $0.22 per watt ($369, 1,660 W)
Grid listing 20%100 UL 1741 listed, meets rapid shutdown100 UL 1741 listed, meets rapid shutdown
Efficiency 15%60 96.5% CEC weighted efficiency60 96.5% CEC weighted efficiency
Input current 15%75 16 A per input62 15 A per input
Warranty 25%100 25-year warranty100 25-year warranty

Specifications

Hoymiles HMS-2000-4T-NAHoymiles HMS-1800-4T-NA
Output
Panel inputs44
AC output1,918 W1,660 W
Grid voltage240 V split phase or 208 V240 V split phase or 208 V
CEC efficiency96.5%96.5%
Peak efficiency96.5%96.5%
Panel input
Largest panel670 W600 W
Current per input16 A15 A
MPPT range16 to 60 V16 to 60 V
Listing and build
UL 1741YesYes
Rapid shutdownYesYes
Monitoringgateway (sold separately)gateway (sold separately)
EnclosureIP67 (NEMA 6)IP67 (NEMA 6)
Weight12.3 lb12.3 lb
Warranty25 years25 years
Released2023-012023-01

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