Why a generator alone is not enough
People budget carefully for watts and then discover the machine is unusable. Four constraints do it:
- It has to be twenty feet from the house. Which means a cord that reaches, rated for the load.
- It has to run in rain. Rain is what caused the outage, and manufacturers tell you not to run one wet.
- It has to be refueled safely. Gasoline on a hot muffler ignites.
- It has to start next year. Which means treated fuel and an oil change.
Together those five items cost far less than the difference between two generator sizes, and without them you own equipment you cannot use.
The order matters
| Priority | Item | What happens without it |
|---|
| 1 | CO alarm on every level | The failure mode is fatal, not inconvenient |
|---|
| 2 | Cord rated for the load | The machine cannot be twenty feet away |
|---|
| 3 | Running cover | You cannot run it in the weather that caused the outage |
|---|
| 4 | Fuel cans and stabilizer | You run out on day two, or it will not start next year |
|---|
| 5 | Oil for the first change | The machine shuts down mid-outage with nothing on the shelf |
|---|
This ordering is our judgment about consequence, not a manufacturer recommendation. Items 2 through 5 are all recoverable given a shop that is open; item 1 is not.
How much fuel is actually enough
Work it from consumption rather than from tank size. Westinghouse publishes 4.7 gallons over up to 14.5 hours for the WGen5300DF, which is about 0.32 gallons an hour averaged across the tank.
Six hours of running a day — enough to keep a fridge and freezer safe — is roughly two gallons. Three days is about six gallons, so two or three five-gallon cans is a realistic store.
Running continuously instead of in blocks costs four times as much and would need more gasoline than most residential garages may legally hold. The consumption arithmetic works it through, and the storage guidance covers the legal and practical limits.
What we deliberately left off
- Wheel kits for machines that already have wheels.
- Branded funnels and magnetic trays. A funnel is a funnel.
- Hour meters on machines that ship with one.
- Storage covers sold as running covers. A zip-up bag for a parked generator is not the same product and using one while the engine runs is dangerous.
The test is whether the absence of an item stops the machine being used safely or stops it starting next year. If not, it is not on the list.
If you have a transfer switch
Add two things: an inlet box on the exterior wall so nothing runs through a window, and the L14-30 cord above to connect the two. Both get fitted by an electrician as part of the switch installation, out of season.
Without them, a transfer switch cannot reach hardwired loads — the furnace, the well pump, the sump pump — which are usually the reason you wanted one.
Buy it in the spring
Cords, cans, covers and alarms sell out within hours of a storm warning and cost the same money in April. Buying out of season removes the one scenario where you own a generator and still cannot use it.