Best Generators to Power Your Refrigerator Efficiently
When the power goes out, keeping your refrigerator running is critical to prevent food spoilage. Choosing the best generator for a refrigerator requires considering surge watts, running watts, fuel type, and portability. Below is a comparison table featuring top-rated generators suitable for refrigerators, highlighting key specs to help you make an informed decision quickly.
| Product | Starting/Surge Watts | Running Watts | Fuel Type | Additional Features |
|---|---|---|---|---|
| WEN 4,750-Watt Dual Fuel Portable Generator | 4750 (gasoline), 4350 (propane) | 3800 (gasoline), 3500 (propane) | Gasoline/Propane | Electric start, 120V/240V switchable |
| Jackery Solar Generator 300 | 300W (pure sine wave AC outlet) | 300W | Lithium Battery/Solar | Lightweight, fast recharge via solar and USB-C |
| Westinghouse 12,500 Watt Dual Fuel Generator | 12,500 (gasoline), 11,200 (propane) | 9,500 (gasoline), 8,500 (propane) | Gasoline/Propane | Remote electric start, transfer switch ready |
| Westinghouse 14,500 Peak Watt Tri-Fuel Generator | 14,500 (gasoline), 13,500 (propane), 12,000 (natural gas) | 11,500 (gasoline),10,500 (propane), 9,500 (natural gas) | Gasoline/Propane/Natural Gas | Runs up to 19 hours, durable cast iron sleeve engine |
| WEN Quiet 6,800-Watt Dual Fuel Inverter Generator | 6,800 (gasoline), 6,000 (propane) | 5,100 (gasoline), 4,500 (propane) | Gasoline/Propane | CO shutdown sensor, low power EV charging |
WEN 4,750-Watt Dual Fuel Portable Generator

The WEN 4,750-Watt Dual Fuel Portable Generator offers versatile power by allowing you to switch easily between gasoline and propane. It delivers 4750 surge watts and 3800 running watts on gasoline and slightly lower on propane, enough to handle refrigerators efficiently. The generator features a simple selection dial for fuel switching and an electric start that powers the 224cc 4-stroke OHV engine with just a key turn. It supports both 120V and 240V outputs, making it suitable for emergency backup and transfer switches. Its portability is enhanced with a convenient wheel kit, ensuring easy transport and setup during power outages.
Jackery Solar Generator 300 Backup Lithium Battery

The Jackery Solar Generator 300 is a highly portable, lightweight alternative for those prioritizing clean energy and quiet operation. Powered by a 293Wh lithium-ion battery, it supplies a steady 300 watts of pure sine wave AC power, sufficient for smaller refrigerators and essential electronics. It quickly recharges via wall outlet, USB-C PD port, car outlet, or solar panel compatibility with the SolarSaga 100. This model includes multiple output ports, enabling simultaneous charging of devices, making it ideal for outdoor trips or short-term backup in mild power needs. Its compact size of just 7.1 pounds increases ease of portability.
Westinghouse 12,500 Watt Dual Fuel Home Backup Generator

Designed as a robust home backup power source, the Westinghouse 12,500 Watt Dual Fuel Generator supplies an impressive 9,500 running watts on gasoline, and slightly less on propane, which is plenty to power multiple household appliances including large refrigerators. It features remote start using a key fob and electric and recoil start options, plus a 6.6-gallon fuel tank with gauge for extended runtime up to 12 hours. Its outlets include household, transfer switch ready, and RV receptacles, all with safety covers. The generator’s 457cc 4-stroke OHV engine includes smart features like automatic low oil shutdown and a digital hour meter to monitor usage.
Westinghouse 14,500 Peak Watt Tri-Fuel Backup Generator

The Westinghouse 14,500 Peak Watt Tri-Fuel Generator stands out for its ability to run on gasoline, propane, or natural gas, offering exceptional flexibility. It delivers up to 11,500 running watts on gasoline, and credible outputs on propane and natural gas as well, supporting larger refrigerators or multiple appliances simultaneously. Powered by a heavy-duty 550cc 4-stroke OHV engine, it has a long runtime of up to 19 hours on a gasoline fuel tank and 7 hours on propane. This makes it ideal for long-term home backup needs. Equipped with a durable cast iron sleeve engine, it offers dependability in extended use.
WEN Quiet 6,800-Watt Dual Fuel Inverter Generator

The WEN Quiet 6800-Watt Dual Fuel Inverter Generator offers powerful and quiet operation with a 224cc dual-fuel engine capable of 6800 surge watts and 5100 rated watts on gasoline. It also runs efficiently on propane with slightly lower wattage. Its inverter design ensures clean and stable power which is important to protect sensitive electronics and refrigerators. Unique to this model is the bonded-neutral 240V output for low-power EV charging and the WEN Watchdog CO Shutdown Sensor that automatically turns off the unit if dangerous carbon monoxide is detected, ensuring safety for indoor-adjacent use.
Buying Guide: Key Factors When Choosing a Generator for a Refrigerator
To keep your refrigerator running smoothly during power outages, select a generator that meets the following criteria:
- Sufficient Surge and Running Watts: Refrigerators require higher surge watts to start the compressor motor—typically 1500 to 2200 surge watts—and then use less running watts. Choose a generator with at least 2000-3000 surge watts and 1500-2000 running watts or more, depending on your refrigerator size.
- Fuel Type: Generators powered by gasoline, propane, natural gas, or battery (solar/lithium) have different advantages. Dual or tri-fuel generators provide fuel flexibility, helpful during fuel shortages. Battery-powered solar generators offer quiet and emission-free power but usually with limited wattage and runtime.
- Portability: If you need a generator for outdoor use or camping, weight and wheels matter. Portable inverter generators are lighter and quieter, ideal for travel, while larger home backup models may be heavier but provide higher wattage.
- Starting Method and Convenience: Electric start generators are easier to operate during emergencies compared to recoil start models. Remote start capability adds convenience especially if installed at some distance.
- Runtime and Fuel Tank Size: Longer runtime means fewer refueling interruptions during outages. Consider models with larger fuel tanks or the ability to connect to continuous fuel sources like natural gas.
- Safety Features: Carbon monoxide sensors, automatic low oil shutdown, and covered outlets increase safety during operation. Inverter generators also provide clean power with minimal harmonic distortion, protecting sensitive appliances.
- Compatibility with Transfer Switches: If you want to connect the generator directly to your home electrical system, ensure it supports transfer switch compatibility.
- Noise Level: Consider quieter inverter models for residential areas or camping environments where noise restrictions apply.
By comparing these factors, you can select a generator that reliably powers your refrigerator with safety and convenience during power interruptions.