How do I know how much wattage I actually need?

List the running (not starting) watts of everything you'd power at once — fridge, sump pump, a few lights, phone chargers — and add them up, then compare that total against the generator's stated running/rated watts, not its peak figure. Also add the highest single starting-watt appliance on top, since that's when the surge capacity actually gets tested.

Can I just plug a generator into a wall outlet to power my house?

No — this is called backfeeding and it's dangerous and often illegal. It can send power back through the grid and injure utility workers repairing lines, and it can damage your generator. A transfer switch, installed by a licensed electrician, is the only safe way to connect a generator to your home's circuits.

Is dual fuel worth it over gasoline-only?

Dual-fuel units in this set let you switch to propane, which several listings describe as offering longer shelf life for stored fuel and sometimes cleaner emissions, at the cost of somewhat lower rated watts than on gasoline per the same listings. If you already store propane for other equipment, that flexibility can matter during an extended outage.

Why does noise level matter for a home emergency generator?

A quieter unit is easier to place at a safe distance from your home without disturbing neighbors, and it makes overnight operation more tolerable. The listings here cite noise figures ranging from the high-50s to low-70s dB range at a stated distance — worth checking against your specific setback plan.

Do I need a transfer switch even for a small inverter generator?

Not necessarily — smaller inverter units are often used with individual extension cords to power specific devices directly, which doesn't require a transfer switch. A transfer switch becomes relevant once you want to power hardwired circuits or a larger portion of your home's panel, which is more common with the larger units in this set.

Best Portable Generators for Home Emergencies

Before you buy: the five-minute check

✓ Total the running watts of everything you will use simultaneously, then add only the largest additional startup surge; compare that result with the generator’s documented running and surge capacities
✓ If a listing gives separate gasoline and propane outputs, plan around the lower propane figure when you intend to use propane
✓ Confirm the exact outlet types—such as 120V household receptacles, TT-30R or NEMA L5-30R locking outlets—and verify that your intended cord or connection is compatible
✓ If you want to energize home circuits rather than connect appliances directly, plan for a compatible transfer switch and licensed-electrician installation; never backfeed through a wall outlet
✓ Operate the generator outdoors at least 20 feet from the house with exhaust pointed away from doors and windows, regardless of any CO sensor the listing mentions

Two claims to reject

Claim

A generator with a CO alert and auto-shutdown is safe to run in a garage or shed.

The reality

None of these listings claims indoor or enclosed-space safety. A CO sensor is a backup feature, not permission to operate in a garage, shed, or other enclosed or semi-enclosed area. Every unit here must run outdoors, well away from doors, windows, and vents.

Claim

A higher peak-watt number means a generator can sustain a larger load.

The reality

Peak or starting watts cover a brief surge. Running or rated watts determine the sustained load, so a large peak figure cannot substitute for documented continuous output.

Unsafe or unreliable shortcuts to skip

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Running a generator in a garage with the door cracked because it has CO shutdownA CO feature does not make an enclosed or semi-enclosed location safe. Place the generator fully outdoors and well away from doors, windows, and vents.

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Sizing the load from peak watts aloneUse total simultaneous running load plus the largest additional startup surge. A peak figure describes temporary surge capacity, not what the generator can supply continuously.

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Routing an unsuitable extension cord through a window or doorwayConnecting an appliance directly with a properly rated extension cord does not backfeed the grid, but the cord must match the load and generator outlet. Protect it from weather and pinching, and do not leave an opening that allows carbon monoxide to enter. Connecting home circuits instead requires a transfer switch installed by a licensed electrician.

Generator picks by outage scenario

High-Output Candidate Requiring Review

DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable Generator - Gas and Propane

This 500cc dual-fuel model carries a stated 13,000-watt figure, a 50A outlet described as transfer-switch ready, push-button electric start, a gasoline-or-propane selector, and CO-alert auto-shutdown. It is a high-output candidate for an outage plan involving selected home circuits, but the listing does not separate continuous output from peak output. Confirm the generator, inlet, transfer equipment, fuel-specific output, and intended loads with a licensed electrician before treating it as suitable for panel connection. Best for: A high-output emergency plan that will receive compatibility and electrician review

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Accessory and Installation: 30A Transfer Switch

Connecticut Electric EmerGen Backup Power Manual Transfer Switch Kit 30 Amp

This is not a generator; it is a 30A, 10-circuit manual transfer-switch kit for connecting compatible generator power to selected home circuits. The listing states a 7,500-watt rating, ETL listing, UL 1008 compliance, a 50-foot cord, and a rainproof outdoor inlet box. Its purpose is to prevent utility-grid backfeeding, but its 30A/7,500W ceiling means it cannot pass through the DuroStar’s full stated 13,000-watt output. A licensed electrician must verify compatibility and install it. Best for: A separately planned panel connection whose selected loads remain within the switch’s limit

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For Electric-Start Essential Loads

PowerSmart 4800W Portable Inverter Generator with Electric Start

This 223cc inverter generator offers a stated 4,800 surge watts, push-button electric start, and recoil backup. The listing identifies a TT-30R receptacle, two 120V 20A outlets, USB ports, and parallel terminals. At a stated 89 lbs with wheels, it suits an outage plan centered on selected motor-driven and household loads rather than broad panel coverage. The listing associates it with AC or sump-pump startup, but the cited 10-hour runtime applies only at 50% load, and no running-watt figure is stated here. Best for: Buyers prioritizing electric start for a carefully calculated essential-load plan

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For Dual-Fuel Monitoring and Portability

maXpeedingrods 4000 Watt Inverter Generator with Bluetooth® Control

The listing rates this dual-fuel inverter at 3,200 running watts on gasoline with 4,000 peak, or 3,000 running watts on propane with 3,600 peak. Its app is described as supporting remote start plus fuel and output monitoring, and the unit includes a NEMA L5-30R locking outlet with an adapter. At a stated 52.9 lbs, it fits an outage scenario where portability, fuel choice, and remote status checks matter. The app is only a convenience: safe startup still requires confirming outdoor placement and surrounding conditions in person. Best for: Selected essential loads where dual-fuel flexibility and remote monitoring are priorities

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For RV-Port Backup With More Noise

Oxseryn Power Equipment 4400 Watts Inverter Generator Gas Powered

This open-frame inverter is listed at 4,400 peak watts and 3,400 running watts, with two 120V AC outlets, a 12V DC port, and a dedicated RV port. The stated runtime reaches 14 hours at 25% load with Eco mode and a 2-gallon tank. Its documented trade-off is noise: the listing states under 72 dBA at 23 feet, louder than the enclosed inverters here. Best for: An outage or RV setup that needs a documented RV port and accepts open-frame noise

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Identification-Limited Open-Frame Option

4000W Gas-Powered Inverter Generator

The supplied name does not clearly identify a brand or model, so confirm the exact product before considering it. The listing states a 208cc gas engine, 4,000 starting watts, 3,200 running watts, under 3% THD, a 30A connector, two 120V AC outlets, and a 12V DC port. It also claims up to 9 hours at 25% load from a 2-gallon tank and a 55-lb open-frame build. Best for: No recommendation until the exact manufacturer, model, outlet type, and current documentation are verified

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For Quiet, Light Electronics Backup

Pulsar 2,200W Portable Dual Fuel Quiet Inverter Generator with USB Outlet & Parallel Capability

This compact dual-fuel inverter is listed at 1,800 running watts on gasoline with 2,200 peak, or 1,600 running watts on propane with 2,000 peak. It has two 120V outlets, USB output, and parallel capability, with a stated 60 dB noise level. The listing states 8 hours on a 1.18-gallon gasoline tank at half load but only 75 minutes on a 1-lb propane tank. Best for: Short outages involving electronics, a router, lighting, and other loads that fit its limited running output

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For the Lightest Grab-and-Go Plan

AIVOLT 1600W Super Quiet Inverter Generator 28lbs Portable for Camping

At a stated 28 lbs, this 60cc inverter is the lightest unit here. The listing gives 1,600 starting watts and 1,260 running watts, under 3% THD, two 120V outlets, USB-A/C ports, CO-alert auto-shutdown, low-oil shutdown, and overload protection. Runtime is stated as 8 hours at 25% load but 2 hours at full load. Its limited output makes it a device-level option, not a furnace- or pump-level backup. Best for: Phones, lighting, and a small number of carefully sized devices when low carrying weight matters most

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DuroStar DS13000MX: documented details and the key unknown

13,000 watts stated; continuous output not separately documented

Stated Output

Dual fuel—gasoline or propane, selected from the front panel

Fuel

50A outlet described by the listing as transfer-switch ready

Key Outlet

Push-button remote/electric start

Start Type

CO Alert with automatic shutdown when carbon monoxide is detected

Safety Feature

All-metal steel-frame construction, according to the listing

Build

Common questions

How do I calculate the wattage I need?

Add the running watts of every device that will operate simultaneously. Then identify the appliance with the largest startup requirement and add only the difference between its starting watts and running watts. Your generator needs enough documented running capacity for the sustained total and enough surge capacity for that combined momentary load.

Can I plug a generator into a wall outlet to power home circuits?

No. That is backfeeding and can energize the utility grid, endanger line workers, and damage equipment. Connecting a generator to home circuits requires compatible transfer equipment installed by a licensed electrician.

Is dual fuel worth considering?

Dual-fuel units let you switch to propane, and several listings describe propane as having a longer storage life and sometimes cleaner emissions. The trade-off in these listings is lower output on propane than gasoline. That flexibility can matter during an extended outage, especially if you already store propane for other equipment.

Why does generator noise matter during an outage?

A quieter generator is less disruptive to occupants and neighbors while operating at the required outdoor distance. The listings here state figures from the high-50s to low-70s dB range under differing conditions, so compare the stated distance and operating mode rather than treating every number as directly equivalent.

Do I need a transfer switch for a small inverter generator?

Not when you are connecting individual appliances directly with properly rated extension cords. Use cords compatible with the generator outlet and appliance load, protect them from weather and pinching, and avoid openings that can admit exhaust. A transfer switch becomes necessary when you want to energize hardwired home circuits or connect through the electrical panel.

Before you buy: the five-minute check

Two claims to reject

Unsafe or unreliable shortcuts to skip

Generator picks by outage scenario

DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable Generator - Gas and Propane

Connecticut Electric EmerGen Backup Power Manual Transfer Switch Kit 30 Amp

PowerSmart 4800W Portable Inverter Generator with Electric Start

maXpeedingrods 4000 Watt Inverter Generator with Bluetooth® Control

Oxseryn Power Equipment 4400 Watts Inverter Generator Gas Powered

4000W Gas-Powered Inverter Generator

Pulsar 2,200W Portable Dual Fuel Quiet Inverter Generator with USB Outlet & Parallel Capability

AIVOLT 1600W Super Quiet Inverter Generator 28lbs Portable for Camping

DuroStar DS13000MX: documented details and the key unknown

Common questions

The bottom line