Why Use An Inverter Generator

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These machines come at a premium price, but they run longer, quieter, and more efficiently.

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The portable gas generator has had some technological makeovers in recent years. One is critical to safety, and one significantly boosts the level of performance for a certain breed known as inverter generators. If you’re looking into getting a portable generator, you may want to consider an inverter.

To reduce the risk of carbon monoxide poisoning, some new portable generators feature a built-in sensor that triggers an automatic shutoff if CO builds up to dangerous levels in an enclosed space.

And some also have engines that emit less CO in the first place. The best generators come with both features. Many inverters now offer a CO safety shutoff as well as improved performance in the way of fuel efficiency and reduced noise.

As a group, inverter generators are more expensive than conventional portable models, but they have distinct advantages.

An inverter generator electronically throttles the engine up and down to meet demand instead of running full tilt all the time. The resulting improvement in efficiency means that you won’t have to fill up the gas tank as often.

Inverter generators also produce lower emissions and are generally very quiet.

  1. “You can carry on a conversation next to an inverter generator,” says Dave Trezza, who oversees CR’s generator testing. To help you make better sense of your options, we break our inverter generator ratings into three groups:.
  2. Large Inverter GeneratorsWith very few exceptions, the large inverter generators in our ratings weigh around 250 pounds or more (wheels included).
  3. That’s too big to haul along to a tailgate party but big enough to power your house.
  4. They generate 5,000 watts of power or more (at 220 volts). This category of inverter generator can be connected directly to your electrical panel with a safety device called a transfer switch, which CR strongly recommends.

That allows them to power entire circuits in your home rather than having to plug in individual electronics with extension cords.

Midsized Inverter GeneratorsThese weigh 80 pounds or more and might come with wheels. They produce 2,500 to 4,500 watts but don’t allow the recommended option of connecting to an electrical panel with a transfer switch. Instead, you plug appliances or electronics directly into the generator, which can be dangerous if you don’t follow certain guidelines.

This size is well suited for users of recreational vehicles. These models produce all the power you need for plug-in appliances like a toaster or microwave, and they’re light enough to unload and carry away to a safe distance from your RV before use. Recreational Inverter GeneratorsThese weigh up to 60 pounds and are designed to be carried with one hand.

Most recreational models max out at around 2,000 watts, which should be plenty for tailgating or camping.

“Don’t let the size lull you into a false sense of security,” Trezza says. “Even though they’re about as big as a gym bag, our tests show that these models emit carbon monoxide at a rate that can quickly build up to unsafe levels in an enclosed space.”.

How to Run a Generator Safely. About half of the inverter generators in our ratings have the automatic CO shutoff. Only those with it can earn our recommendation, regardless of how well the models perform otherwise.