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Everything You Need To Know About Inverter Generators

Inverter generators represent a significant leap forward in portable power technology, offering a blend of efficiency, versatility, and reliability that traditional generators struggle to match.

Whether you're an outdoor enthusiast seeking reliable power for camping adventures, a homeowner in need of backup electricity during outages, or a contractor powering tools at a remote job site, understanding the capabilities of inverter generators is essential. 

Join us as we delve into the world of inverter generators and discover why they've become indispensable tools in the realm of portable power generation.

What is an Inverter Generator?

An inverter generator is a type of portable power generator that utilises advanced technology to produce electricity. 

Unlike conventional generators, which generate AC (alternating current) directly from the engine, inverter generators first convert AC power into DC (direct current) before converting it back into clean, stable AC power.

This process is facilitated by sophisticated electronic circuitry and components, including inverters and voltage regulators.

How does it Work?

Inverter generators operate on a fundamentally different principle than conventional generators, employing advanced electronics to generate clean and stable power. Here's a breakdown of how an inverter generator works:

1. AC Generation

Like conventional generators, an inverter generator starts by generating AC (alternating current) electricity using a small engine powered by gasoline, propane, or diesel fuel. 

2. Rectification

The AC electricity produced by the generator's alternator is then converted into DC (direct current) electricity via a set of diodes through a process called rectification. The diodes allow current to flow in only one direction, effectively converting the AC waveform into a pulsating DC waveform.

3. Inversion

The pulsating DC electricity is then passed through an inverter module, which utilises advanced electronic circuitry to convert it back into clean and stable AC electricity. 

4. Voltage Regulation

Inverter generators also incorporate sophisticated voltage regulation systems to maintain a steady output voltage, even under varying load conditions. This is achieved through feedback mechanisms that continuously monitor the output voltage and adjust the inverter's operation accordingly.

5. Variable Engine Speed

One of the key features of inverter generators is their ability to adjust the engine speed dynamically based on the electrical load. Unlike conventional generators, which run at a constant speed regardless of the load, inverter generators can vary their engine speed to match the power demand. 

Benefits of Using an Inverter Generator

Inverter generators offer a multitude of advantages over traditional generators, making them an attractive choice for various applications. Here are some of the key benefits of using an inverter generator:

1. Fuel Efficiency

Inverter generators are designed to optimise fuel consumption by adjusting the engine speed to match the electrical load. 

Unlike conventional generators that run at a constant speed, inverter generators can operate at lower speeds when the load is light, resulting in significant fuel savings, especially during prolonged use.

2. Noise Reduction

Inverter generators are known for their quieter operation compared to conventional generators. 

By utilising advanced muffler designs and variable engine speed control, inverter generators produce less noise, making them suitable for use in noise-sensitive environments such as campsites, residential areas, and outdoor events.

3. Clean Power Output

One of the standout features of inverter generators is their ability to produce clean and stable power with minimal harmonic distortion. 

This clean power output is crucial for powering sensitive electronic devices, including laptops, smartphones, televisions, and audio equipment, without the risk of damage or interference.

4. Portability

Inverter generators are typically more compact and lightweight than conventional generators with similar power output. 

This makes them highly portable and easy to transport, whether you're camping in the wilderness, tailgating at a sporting event, or powering tools at a remote job site. The compact design and integrated carrying handles make it effortless to move an inverter generator from one location to another.

5. Parallel Capability

Many inverter generators are equipped with parallel capability, allowing you to connect two or more units together to increase power output. 

This feature is particularly useful when you need extra power for larger appliances or equipment, such as RV air conditioners, refrigerators, or power tools. 

By connecting multiple inverter generators in parallel, you can effectively double or triple your available power capacity without sacrificing portability or convenience.

6. Eco Friendliness

Inverter generators are more environmentally friendly than conventional generators, thanks to their fuel-efficient operation and cleaner emissions. 

By consuming less fuel and producing fewer emissions, inverter generators help reduce carbon footprint and minimise air pollution, making them a greener choice for both outdoor enthusiasts and environmentally conscious users.

Applications and Use Cases

Inverter generators find applications in various scenarios and environments, catering to the diverse power needs of users. Here are some common use cases for inverter generators:

Camping and Outdoor Activities

Inverter generators are popular among outdoor enthusiasts for providing reliable power during camping trips, hiking expeditions, and other outdoor activities. 

Whether you need to charge electronic devices, power lighting equipment, or run small appliances, an inverter generator ensures that you have access to electricity in remote locations where grid power is unavailable.

Recreational Vehicles (RVs) and Boating

Inverter generators are essential for RV owners and boating enthusiasts who rely on mobile power sources for their adventures. 

Whether you're cruising in an RV or sailing on a boat, an inverter generator provides the necessary power to operate appliances, charge batteries, and run onboard systems, enhancing comfort and convenience on the road or water.

Tailgating and Outdoor Events

Inverter generators are a staple at tailgating parties, picnics, and outdoor events where power outlets may be scarce. 

From powering electric grills and portable speakers to charging electronic gadgets and running mini-fridges, an inverter generator ensures that you can enjoy your favourite activities without worrying about power limitations.

Backup Power for Homes and Businesses

Inverter generators serve as reliable backup power sources for homes and businesses during emergencies and power outages. 

Whether it's keeping essential appliances running, maintaining communication devices operational, or powering medical equipment, an inverter generator provides peace of mind knowing that you have a backup power solution in place when the grid fails.

Construction and Job Sites

Inverter generators are indispensable tools for contractors, construction crews, and tradespeople working at job sites without access to grid power. 

Whether it's operating power tools, lighting equipment, or temporary electrical systems, an inverter generator delivers the necessary power to keep construction projects running smoothly and efficiently.

Remote Work and Telecommuting

Inverter generators are valuable assets for individuals working remotely or telecommuting from off-grid locations. 

Whether you're setting up a temporary office in a remote cabin or conducting field research in a wilderness area, an inverter generator ensures that you have the power you need to stay connected, productive, and comfortable.

Considerations when Choosing an Inverter Generator

Selecting the right inverter generator involves assessing various factors to ensure that it meets your specific power requirements and preferences. Here are some essential considerations to keep in mind when choosing an inverter generator:

Power Output

Determine the amount of power you need based on the appliances, tools, or devices you plan to run with the generator. Consider both the starting (peak) and running (continuous) power requirements of your equipment to ensure that the generator can handle the load effectively.


Evaluate the size, weight, and design of the generator to ensure that it's portable enough for your intended use. Look for compact and lightweight models with integrated handles or wheels for easy transport, especially if you plan to move the generator frequently.

Fuel Type

Consider the fuel type—gasoline, propane, or diesel—preferred for your generator. Gasoline generators are widely available and offer convenience, while propane generators provide longer shelf life for fuel storage and cleaner emissions. Diesel generators are known for their fuel efficiency and durability, making them suitable for heavy-duty applications.

Fuel Efficiency

Look for generators with fuel-efficient engines and advanced technology, such as variable engine speed control and eco-mode settings, to maximise fuel economy and reduce operating costs over time.

Noise Level

Pay attention to the noise level produced by the generator, especially if you plan to use it in noise-sensitive environments or residential areas. Choose models with low decibel ratings and advanced muffler designs for quieter operation.

Clean Power Output

Ensure that the generator produces clean and stable power with minimal harmonic distortion, especially if you intend to power sensitive electronic devices such as laptops, smartphones, and televisions. Look for models with low total harmonic distortion (THD) ratings to prevent damage to electronics.

Runtime and Tank Capacity

Consider the generator's runtime on a single tank of fuel and the size of its fuel tank to determine how long it can operate before needing refuelling. Choose a generator with sufficient runtime for your needs, whether it's for short-term use during outdoor activities or extended backup power during emergencies.

Parallel Capability

If you anticipate the need for higher power output in the future, consider generators with parallel capability, allowing you to connect multiple units together to increase power capacity. This feature provides flexibility and scalability as your power requirements evolve over time.


Assess the build quality, construction materials, and warranty coverage of the generator to ensure long-term reliability and peace of mind. Look for models made from robust materials and backed by comprehensive warranties to protect your investment against defects and malfunctions.

Maintenance and Care

Proper maintenance and care are essential for ensuring the longevity, reliability, and optimal performance of your inverter generator. By following these maintenance guidelines, you can keep your generator in top condition and avoid costly repairs or premature failures:

Regular Inspections

Perform visual inspections of your generator at regular intervals to check for signs of wear, damage, or corrosion. Inspect the fuel tank, fuel lines, oil level, air filter, spark plug, and electrical connections for any issues and address them promptly.

Oil Changes

Change the engine oil according to the manufacturer's recommendations or at least once every season or after every 50-100 hours of operation, whichever comes first. Use high-quality engine oil with the recommended viscosity grade for optimal lubrication and engine protection.

Air Filter Maintenance

Clean or replace the air filter regularly to prevent dust, dirt, and debris from entering the engine and causing damage. A clogged or dirty air filter can restrict airflow and lead to engine performance issues, so inspect and clean the air filter as needed.

Fuel System Maintenance

Keep the fuel system clean and free of contaminants by using clean, fresh fuel and adding fuel stabilisers to prevent fuel degradation. Drain the fuel tank and carburetor if the generator will be stored for an extended period to avoid fuel-related problems.

Spark Plug Inspection

Check the condition of the spark plug periodically and replace it if worn, fouled, or damaged. A properly functioning spark plug is essential for reliable engine starting and smooth operation, so ensure that it's in good condition and properly gapped.

Battery Maintenance

If your inverter generator is equipped with a battery for electric start or backup power, monitor the battery condition and perform regular maintenance as needed. Keep the battery terminals clean and tight, and recharge the battery if it becomes discharged.

Cooling System Maintenance

Ensure that the generator's cooling system, including the radiator or cooling fins, is clean and free of debris to prevent overheating. Check for proper coolant levels and circulation, and inspect hoses and connections for leaks or damage.

Exhaust System Inspection

Inspect the exhaust system for signs of leaks, corrosion, or damage, and repair or replace any components as necessary. Ensure that the exhaust outlet is clear and unobstructed to allow for proper ventilation and exhaust gas dispersion.

Storage Preparation

If you plan to store the generator for an extended period, drain the fuel tank and carburetor and change the engine oil. Store the generator in a clean, dry, and well-ventilated area, away from moisture, dust, and extreme temperatures.

Professional Servicing

If you're not comfortable performing maintenance tasks yourself or if your generator requires more extensive repairs or servicing, consult a qualified technician or authorised service centre for professional assistance. Regular servicing by trained professionals can help identify and address potential issues before they escalate into major problems.

Is it worth getting an Inverter Generator?

Inverter generators offer undeniable benefits in terms of portability, reliability, and versatility, making them a worthwhile investment for many users. 

While the initial cost of purchasing an inverter generator may be higher compared to conventional models, the long-term advantages, including clean power output, quiet operation, and fuel efficiency, often justify the investment.

Whether for camping trips, outdoor events, backup power needs, or remote work environments, the convenience and peace of mind provided by an inverter generator is invaluable. Riequip stocks a wide array of inverter generators, which you can browse on our site. Shop with us for the best range of Honda, Titan and Genmac inverters on the market!

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