FoxESS H3-15.0-Smart vs GoodWe GW15K-ET
AC power: FoxESS H3-15.0-Smart 15 kW, GoodWe GW15K-ET 15 kW. Both models win equally often (4 of 12 points).
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Both models in detail
Who wins where
- FoxESS H3-15.0-Smart
- GoodWe GW15K-ET
Biggest differences
| Fact | H3-15.0-Smart | GW15K-ET |
|---|---|---|
| MPPT voltage min. | 120 V | 200 V |
| MPP trackers | 3 | 2 |
| Max. input current per MPPT | 20 A | 30 A |
| Weight | 34 kg | 48 kg |
| Noise | 55 dB(A) | 45 dB(A) |
| MPPT voltage max. | 950 V | 850 V |
Score per area = position (0–100) relative to all 263 models in this category; higher is better.
| Technical specifications | FoxESSH3-15.0-Smart | GoodWeGW15K-ET |
|---|---|---|
| Performance | ||
| AC power | 15 kW1 | 15 kW2 |
| Max. PV array power | – | 22.5 kWp2 |
| MPP trackers | 3✓1 | 22 |
| Efficiency | ||
| Max. efficiency | 97.9 %1 | 98 %✓2 |
| European efficiency | 97.2 %1 | 97.5 %✓2 |
| Noise | ||
| Noise | 55 dB(A)1 | 45 dB(A)✓2 |
| Electrical | ||
| MPPT voltage min. | 120 V✓1 | 200 V2 |
| MPPT voltage max. | 950 V✓1 | 850 V2 |
| Max. input current per MPPT | 20 A1 | 30 A✓2 |
| Connectivity & smart | ||
| Hybrid (battery-ready) | Yes1 | Yes2 |
| Backup power | Yes1 | Yes2 |
| Wi-Fi / monitoring | Yes1 | Yes2 |
| Dimensions & weight | ||
| IP rating | IP651 | IP662 |
| Width | 600 mm1 | 520 mm2 |
| Height | 450 mm1 | 660 mm2 |
| Depth | 226 mm1 | 220 mm2 |
| Weight | 34 kg✓1 | 48 kg2 |
| Warranty & lifespan | ||
| Warranty | 10 years1 | – |
Frequently asked questions
Which is better: the FoxESS H3-15.0-Smart or the GoodWe GW15K-ET?
AC power: FoxESS H3-15.0-Smart 15 kW, GoodWe GW15K-ET 15 kW. Both models win equally often (4 of 12 points).
What is the AC power of the FoxESS H3-15.0-Smart and the GoodWe GW15K-ET?
FoxESS H3-15.0-Smart: 15 kW. GoodWe GW15K-ET: 15 kW.
Which is better on MPPT voltage min.: the FoxESS H3-15.0-Smart or the GoodWe GW15K-ET?
FoxESS H3-15.0-Smart: 120 V. GoodWe GW15K-ET: 200 V.
Which is better on MPP trackers: the FoxESS H3-15.0-Smart or the GoodWe GW15K-ET?
FoxESS H3-15.0-Smart: 3. GoodWe GW15K-ET: 2.
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How we collect and check this data →
Sources
- H3 Smart THREE-PHASE HYBRID INVERTER, V1.2 | 2025/07/02 — Fox ESS · accessed Sep 29, 2026
- GoodWe ET Series 15-30kW Datasheet, 20241203-EN-V2.1 — GoodWe · accessed Nov 14, 2026