Renogy PUH 1000W with Transfer Switch
#6 in Up to 1,000 WFull review
For a van or small RV that plugs into shore power and wants loads to stay on when it unplugs. Pair it with a separate charger.
Amazon $269.98$269.98
The Renogy PUH 1000W with Transfer Switch is the better 12V inverter overall, rated 3.5 to 3.2. The Renogy PUH 1000W with Transfer Switch leads on features, value and efficiency. The Xantrex PROwatt SW 1000 wins on idle draw and warranty. The Renogy PUH 1000W with Transfer Switch costs $79.02 less ($269.98 vs $349).
Xantrex PROwatt SW 1000
#14 in Up to 1,000 WFull review
A dependable, listed plug-in inverter for TVs, laptops and small kitchen gadgets in an RV. Check that your loads fit its real 900 W rating.
Amazon $349$349
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 Renogy PUH 1000W with Transfer Switch for features (remote included, app, transfer switch, hardwire terminal vs optional remote, display; no app), value ($0.27 per continuous watt vs $0.39 per continuous watt) and efficiency (92% peak efficiency (maker rating) vs 90% peak efficiency (maker rating)).
- Choose the Xantrex PROwatt SW 1000 for idle draw (0.6 A idle (about 7.2 W) with nothing plugged in vs 1 A idle (about 12 W) with nothing plugged in) and warranty (2-year warranty vs 1-year warranty).
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 | Renogy PUH 1000W with Transfer Switch | Xantrex PROwatt SW 1000 |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Value 30% | 69 $0.27 per continuous watt | 44 $0.39 per continuous watt |
| Idle draw 15% | 0 1 A idle (about 12 W) with nothing plugged in | 53 0.6 A idle (about 7.2 W) with nothing plugged in |
| Safety listing 15% | 100 UL certified to UL 458 and CSA C22.2 No. 107.1-01 | 100 ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Warranty 15% | 0 1-year warranty | 25 2-year warranty |
| Features 15% | 95 remote included, app, transfer switch, hardwire terminal | 22 optional remote, display; no app |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| Renogy PUH 1000W with Transfer Switch | Xantrex PROwatt SW 1000 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 1,000 W | 900 W |
| Surge power | 2,000 W for 2 s | 2,000 W |
| DC input range | 11 to 15.5 V | 10.5 to 15.5 V |
| Idle draw | 1 A (12 W) | 0.6 A (7.2 W) |
| Peak efficiency | 92% | 90% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | Yes | No |
| USB ports | 1 | 1 |
| Transfer switch | Yes | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Included | Optional extra |
| App | Built in | No |
| Display | - | Yes |
| Safety listing | UL certified to UL 458 and CSA C22.2 No. 107.1-01 | ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Cooling | fan | load-controlled fan |
| Dimensions | 15.3 x 8.1 x 3.8 in | 13.4 x 8.7 x 3.5 in (339 x 220 x 89 mm) |
| Weight | 8.2 lb | 7.2 lb |
| Warranty | 1 year | 2 years |
| Released | - | 2009-10 |