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ReaLoadREVIEWS
ReaLoad Engineering Benchmark

A-iPower GXS12000RD vs. DuroMax XP15000EH

Fuel Benchmark:
Elevation:

ReaLoad Technical Verdict & Engineering Dossier

Motor Surge & HVAC Starting

A-iPower GXS12000RD delivers 12,000W surge, sufficient for a 3.5-Ton central A/C with soft-starter. Inverters under 7,500W surge will trip breaker overcurrent protection on direct compressor starts.

72-Hour Fuel Logistics

At 50% load over 72 hours, continuous gasoline generators consume ~56 gallons (11x 5-gallon cans). Direct utility Natural Gas hookup eliminates fuel storage degradation, winter freezing, and gas station queues.

NEC 250.20 Neutral Bonding

Bonded neutral generators require terminal bridge disconnection before connecting to home service panels to prevent double-ground GFCI trips.

Natural Gas Leader
A-iPower GXS12000RD
0 W running on NG (+0 W lead)
Acoustic Winner
A-iPower GXS12000RD
74 dBA at 23ft (-0 dBA quieter)
Easiest Home Hookup
A-iPower GXS12000RD
Bonded Neutral (Home Interlock Ready)
Best $/Running Watt
A-iPower GXS12000RD
$0.12/W ($1,099)
Technical Specification
Open-Frame Inverter
A-iPower GXS12000RD
$1,099Read Review
Open-Frame Inverter
DuroMax XP15000EH
$2,499Read Review
Running Watts
Power Output
9,000 W
12,000 WBest
Peak Starting Surge
Power Output
12,000 W
15,000 WBest
240V Output Amps
Power Output
37.5 A
50 ABest
Sine Wave Purity
Power Quality
<5% THD (Pure Sine)
<4.6% THD (Pure Sine)Best
Fuel Burn (25%)
Fuel Consumption
0.48 GPHBest
0.85 GPH
Fuel Burn (50%)
Fuel Consumption
0.95 GPHBest
1.45 GPH
Runtime (25% Load)
Fuel Consumption
14 Hours
14.5 HoursBest
Fuel Tank Capacity
Fuel Consumption
8 Gallons
10.8 GallonsBest
14-50R 50A Outlet
Outlets & Receptacles
1x NEMA 14-50R (50A)Best
1x NEMA 14-50R (50A)Best
L14-30R 30A Outlet
Outlets & Receptacles
1x NEMA L14-30R (30A)Best
1x NEMA L14-30R (30A)Best
TT-30R RV Outlet
Outlets & Receptacles
NoneBest
NoneBest
5-20R Duplex Outlets
Outlets & Receptacles
2x NEMA 5-20R DuplexBest
2x NEMA 5-20R DuplexBest
Engine Start Method
Starting & Safety
Electric Push-Button & Recoil Pull
Wireless Remote, Electric Key & Recoil
Carbon Monoxide Sensor
Starting & Safety
CO Watchdog / Shield Sensor (ANSI/PGMA G300)
CO Watchdog / Shield Sensor (ANSI/PGMA G300)
Noise Level (23ft)
Acoustics & Physical
74 dBABest
74 dBABest
Chassis Dimensions
Acoustics & Physical
28.5" L × 26" W × 26.5" H
33" L × 30" W × 35" H
Dry Weight
Acoustics & Physical
218 lbsBest
330 lbs
Neutral Bonding
NEC 2026 Hookup
Bonded Neutral (Unbonding Required for Home ATS)
Bonded Neutral (Unbonding Required for Home ATS)
Verified Street Price
Cost & Value
$1,099.00Best
$2,499.00