AIMS Power 1000W Pure Sine (ETL)
#1 in Up to 1,000 WFull review
One of the cheapest listed 1000 W pure sine inverters, for vans, trucks and CPAP use. A plug-in unit, not for hardwiring into an RV panel.
Amazon $219$219
The AIMS Power 1000W Pure Sine (ETL) is the better 12V inverter overall, rated 3.8 to 3.5. The AIMS Power 1000W Pure Sine (ETL) leads on value and efficiency. The Xantrex Freedom X 1000 wins on features. The AIMS Power 1000W Pure Sine (ETL) costs $178.34 less ($219 vs $397.34).
Xantrex Freedom X 1000
#7 in Up to 1,000 WFull review
For RV and van owners who want a listed, hardwired 1000 W inverter with automatic shore-power transfer. It costs more than plug-in units, but it installs like an OEM part.
Amazon $397.34$397.34
Prices were last checked October 24, 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 AIMS Power 1000W Pure Sine (ETL) for value ($0.22 per continuous watt vs $0.40 per continuous watt) and efficiency (95% peak efficiency (maker rating) vs 91% peak efficiency (maker rating)).
- Choose the Xantrex Freedom X 1000 for features (optional remote, app add-on, transfer switch, hardwire terminal, display vs optional remote; no app).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1,000 W 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | AIMS Power 1000W Pure Sine (ETL) | Xantrex Freedom X 1000 |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Value 30% | 79 $0.22 per continuous watt | 42 $0.40 per continuous watt |
| Idle draw 15% | 80 0.4 A idle (about 4.8 W) with nothing plugged in | 50 idle draw not published (neutral score used) |
| Safety listing 15% | 100 ETL listed to UL 458 and CSA C22.2 No. 107.1 | 100 ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Warranty 15% | 25 2-year warranty | 25 2-year warranty |
| Features 15% | 12 optional remote; no app | 75 optional remote, app add-on, transfer switch, hardwire terminal, display |
| Efficiency 10% | 100 95% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
Specifications
| AIMS Power 1000W Pure Sine (ETL) | Xantrex Freedom X 1000 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 1,000 W | 1,000 W |
| Surge power | 2,000 W | 2,000 W for 5 s |
| DC input range | 10 to 15 V | 10 to 18 V |
| Idle draw | 0.4 A (4.8 W) | - |
| Peak efficiency | 95% | 91% |
| Connections | ||
| AC outlets | 2 | 0 |
| GFCI outlets | No | No |
| Hardwire terminal | No | Yes |
| USB ports | 1 | None |
| Transfer switch | No | Yes |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | No | Optional add-on |
| Display | No | Yes |
| Safety listing | ETL listed to UL 458 and CSA C22.2 No. 107.1 | ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Cooling | load-controlled fan | load-controlled fan |
| Dimensions | 11.53 x 5.51 x 2.91 in | 13.4 x 9.1 x 3.7 in (340 x 232 x 95 mm), 10.3 in wide with flanges |
| Weight | 5.3 lb | 11.5 lb |
| Warranty | 2 years | 2 years |
| Released | - | 2017-07 |