How to Choose the Best Backup Generator

A comprehensive guide to selecting the right backup generator for any situation.

Our Hire Difference

We provide complete turnkey power solutions for any project.

Generator Rental Rates

Our competitive rates are based on your individual power needs.

Our Equipment

We carry a large range of generators and accessories to handle a planned event or emergency power outage.

Get a Free Quote Today

When the lights go out unexpectedly, a good backup generator is no less than a lifeline. Ensuring your home is never left powerless; it comforts you right through storms and grid failures. But choosing the right one can be a journey through a maze of power outputs, fuel types, and installation procedures. If you’re flummoxed by which backup generator to pick, our comprehensive guide will illuminate your path. We’ll adeptly navigate you through this jungle of jargons, making sure when the lights do flicker out next time, you won’t be left in the dark! Dive in and discover how to find that perfect surge-free mate for your home’s unique energy needs.

Backup generators provide many benefits, such as ensuring uninterrupted power supply to critical devices during power outages or emergencies. These devices can help protect your home, business, or equipment against damage caused by power fluctuations, and can even be used for outdoor activities and events where electrical outlets may not be readily available. Additionally, backup generators come in a range of sizes and fuel types to fit your specific needs and budget.

Why You Need a Home Backup Generator

Imagine this scenario: You’re sitting at home, enjoying a quiet evening with your family, when suddenly the power goes out. The darkness envelops your surroundings, leaving you in complete disarray. Your dinner plans are ruined, and you realise that all the perishable food in your refrigerator is now at risk of spoiling. Moreover, without electricity, you and your loved ones are left without crucial amenities like heating or cooling systems, hot water, and even the ability to charge your phones.

Power outages can have significant implications for both your comfort and safety. They can be caused by severe weather conditions, utility failures, equipment malfunctions, or even accidents. No matter the cause, they disrupt our daily routines and leave us vulnerable.

Let’s say a strong storm hits your area, causing power lines to go down for several days. During such times of blackout, having a home backup generator can be a true lifesaver. Rather than being completely reliant on the unpredictable timeline of power restoration from the utility company, you can regain control over your household’s electricity supply.

A backup generator acts as an emergency power source that automatically kicks in when the main power supply fails. It is designed to provide electricity to critical appliances and systems in your home until regular power is restored. This means that you can keep essential appliances running, such as refrigerators, freezers, medical equipment, sump pumps, and HVAC systems.

Now that we understand the importance of having a home backup generator during power outages, let’s explore the role of backup power in more detail.

  • Power outages can disrupt our daily routines, leaving us vulnerable and uncomfortable. Having a home backup generator can be a true lifesaver during blackouts caused by severe weather conditions, utility failures, equipment malfunctions, or accidents. It provides electricity to critical appliances and systems until regular power is restored, enabling us to keep essential appliances running such as refrigerators, freezers, medical equipment, sump pumps, and HVAC systems. Therefore, it is important to consider having a backup generator installed in our homes to maintain comfort and safety during power outages.

Understanding the Role of Backup Power

Backup power plays a crucial role during unexpected power outages by providing a reliable source of electricity to keep vital aspects of our lives functioning smoothly. Whether it’s maintaining comfort within our homes or ensuring safety and security measures are in place, backup power is an essential lifeline.

For instance, during extreme weather conditions like winter storms or heatwaves, a home backup generator can keep your heating and cooling systems operating. This not only protects you from discomfort but also prevents potential damage to your home caused by freezing pipes or excessive heat. Additionally, having backup power ensures that critical medical equipment, such as oxygen concentrators or dialysis machines, can continue to function without interruption, saving lives in emergency situations.

used diesel generator for sale

Backup power is not just about convenience; it’s about preserving our safety and well-being.

Backup power also enables us to maintain communication in times of crisis. With a generator powering our home, we can charge our phones and other devices, ensuring that we stay connected with emergency services and loved ones. This can be especially vital when facing natural disasters or other emergencies.

As we have now explored the significance of backup power during power outages and its role in maintaining comfort, safety, and communication, let’s move forward to understand the different types and features of backup generators available on the market.

  • According to Grand View Research, the global market for diesel generators, a common type of backup generator, is expected to reach around $21.37 billion by 2025.
  • A report from MarketsandMarkets indicates that the overall generator sales market is projected to grow at a rate of about 5.60% during the period 2017–2022.
  • Data from Statista stated that in 2019, approximately 14% of homeowners in the United States had a backup generator.

Types and Features of Backup Generators

When it comes to choosing a backup generator for your home, understanding the different types and their features is essential. Backup generators can be categorised into two main types: standby generators and portable generators. Each type offers distinct benefits and features to consider.

Standby generators are permanent installations that operate automatically when a power outage occurs. These generators are connected to your home’s electrical system and powered by an external fuel source such as natural gas or propane. Standby generators can provide continuous power for an extended period, making them ideal for long-term power outages or homes that require uninterrupted power supply due to medical equipment or other critical needs.

Picture this scenario: You’re in the middle of a severe storm, and the power goes out. With a standby generator installed, you won’t even notice the disruption because it will kick in almost instantly, ensuring that your essential appliances like refrigerators, heating systems, and lights continue working without interruption.

On the other hand, portable generators offer flexibility and convenience. These generators are typically smaller and designed for temporary use. Portable generators run on gasoline or diesel fuel and need to be manually started during a power outage. They are easy to transport and can serve as a reliable source of backup power for short durations or specific appliances during emergencies or outdoor activities.

An example of when you might lean towards a portable generator is when you’re planning a camping trip in an area without access to electricity. In such cases, a portable generator can provide the necessary power for your camping equipment, lighting, and even small appliances like electric grills.

In addition to understanding the types of backup generators available, it’s crucial to consider the features they offer. Some key features to evaluate include:

  1. Power capacity: Different backup generators come with varying wattage capacities. Assess your electrical needs during an outage and choose a generator that can handle the total load comfortably. It’s advisable to work with an electrician to determine your specific power requirements.
  2. Automatic transfer switch: Standby generators typically include an automatic transfer switch, which senses power outages and switches on the generator automatically. This feature eliminates the need for manual intervention, ensuring a seamless transition to backup power.
  3. Noise levels: Consider the noise produced by the generator during operation. Some models come with noise-reducing features or are designed to operate quietly, making them more suitable for residential areas or situations where noise pollution needs to be minimised.
  4. Fuel efficiency: Look for generators that offer fuel-efficient operation, as this can save you money in the long run. Generators that consume less fuel while still providing adequate power output are preferred.

By understanding the different types of backup generators and their features, you can make an informed decision that aligns with your specific needs and preferences.

Now that we have explored types and features of backup generators, let’s dive into understanding the key differences between long-term and portable generators.

Key Differences Between Long-term and Portable Generators

When comparing long-term and portable generators, there are several important distinctions to consider. The main difference lies in their intended purpose and functionality.

Long-term generators, such as standby generators, are designed for continuous use during extended power outages or as a primary source of power for essential household functions. These generators are typically installed permanently, connected to your home’s electrical system, and powered by an external fuel source like natural gas or propane. They provide seamless backup power without requiring manual intervention, making them ideal for homeowners who prioritise uninterrupted electricity supply.

On the other hand, portable generators are more versatile and designed for temporary use or when mobility is required. They run on gasoline or diesel fuel and must be manually started during a power outage. Portable generators are often used in situations where a temporary power source is needed, such as outdoor events, camping trips, or for powering specific appliances or tools.

Let’s say you live in an area prone to frequent power outages due to severe weather conditions, and you require constant access to electricity for medical equipment. In this case, a long-term generator like a standby generator would be the most suitable choice as it provides continuous power automatically without the need for manual intervention.

One key advantage of long-term generators is their ability to deliver higher power capacities, making them suitable for powering an entire house and supporting critical systems such as heating, cooling, and security. Portable generators, although smaller in size and power capacity, offer flexibility and portability that can be advantageous in temporary or mobile settings.

It’s important to note that long-term generators typically require professional installation by a licenced electrician to ensure proper integration with your home’s electrical system. Portable generators, on the other hand, can be easily transported and set up without professional assistance.

Ultimately, the choice between long-term and portable generators depends on your specific needs and circumstances. Consider factors such as power requirements, duration of use, mobility needs, and budget when making your decision.

Now that we have elucidated the key differences between long-term and portable generators, let’s move on to evaluating generator size and fuel type to further aid the selection process.

Evaluating Generator Size and Fuel Type

When it comes to choosing the best backup generator for your home, one of the first factors to consider is the generator size. This refers to the power output capacity of the generator, measured in kilowatts (kW). It’s crucial to select a generator that can meet your specific power needs.

To determine the appropriate size, start by calculating the total wattage required to power essential appliances and systems during a power outage. Make a list of these items and their corresponding wattage ratings. Remember to include crucial items like refrigerators, lights, heating or cooling systems, and medical equipment if necessary.

Once you have the total wattage, add an extra 30% to account for starting surge requirements. Appliances with motors, such as air conditioners or pumps, may require an additional surge of power when starting up.

Next, consider the fuel type for your generator. The most common options are gasoline, propane, natural gas, and diesel. Each fuel type has its advantages and disadvantages, so it’s essential to choose one that aligns with your preferences and circumstances.

Gasoline generators are readily available and often cost less upfront. They are portable and suitable for occasional use. However, gasoline might not be ideal for extended power outages due to its limited shelf life and storage challenges.

Propane generators offer clean-burning fuel with a longer shelf life than gasoline. Propane can be stored in tanks or cylinders on-site, making it convenient for long-term power needs. Additionally, propane is less likely to degrade or spoil over time.

If you already have access to a natural gas line at your property, a natural gas generator could be a practical choice. Natural gas is clean-burning and has an unlimited supply as long as there’s a continuous gas supply in your area. These generators are generally quieter than other types.

Diesel generators are robust and efficient, making them suitable for heavy-duty applications. They are known for their durability and longer lifespan compared to gasoline or propane generators. However, diesel fuel can be less readily available in some areas.

When evaluating the generator size and fuel type, it’s advisable to consult with a professional generator supplier or electrician. They can assess your specific requirements, recommend the appropriate generator size and fuel type for your home, and provide valuable insights based on their expertise.

For instance, let’s consider a homeowner who lives in an area prone to frequent power outages and has a large house with multiple appliances and systems. Their power needs would likely be significant, requiring a higher wattage capacity generator such as a 20kW or 30kW model. In this case, a propane generator might be suitable due to its longer shelf life and ease of storage.

Now that we have discussed evaluating generator size and fuel type, let’s move on to exploring the best practises for generator installation and maintenance.

Best Practises for Generator
Installation and Maintenance

Once you’ve chosen the right backup generator for your home, ensuring proper installation is crucial for optimal performance and safety. Generator installation should always be carried out by qualified professionals who have experience in electrical work and generator setup.

The installation process involves connecting the generator to your home’s electrical system through an automatic transfer switch (ATS) or manual transfer switch (MTS). An ATS enables seamless switching from utility power to generator power during an outage, while an MTS requires manual intervention to initiate the switch.

During installation, it’s important to comply with local building codes and regulations. This ensures that the generator is safely connected and integrated into your home’s electrical system without compromising any safety standards. A qualified electrician will handle all these technical aspects, including proper grounding of the generator.

Regular maintenance is essential to keep your generator in optimal condition and ensure its longevity. It’s recommended to follow the manufacturer’s guidelines for maintenance intervals and procedures. This may include regular oil and philtre changes, spark plug replacements, battery inspections, and fuel system maintenance.

In addition to scheduled maintenance tasks, it’s essential to perform routine checks on the generator, especially before and after extended periods of non-use or severe weather events. Inspecting fuel levels, checking for any leaks, cleaning debris from intake vents, and ensuring proper ventilation are among the important tasks to prioritise.

Consider a scenario where a homeowner has just had their backup generator installed. To ensure ongoing reliable performance, they adhere to a maintenance schedule that includes changing the oil every 100 hours of operation, inspecting the air philtre monthly, and testing the battery voltage annually. They also take precautions during extreme weather conditions by removing debris around the generator and ensuring proper ventilation.

By following best practises for installation and maintenance, you can maximise the reliability and efficiency of your backup generator while ensuring the safety of your home during power outages.

Hours a day

Days a week

Backup Generators FAQ

What maintenance and upkeep is required for a backup generator?

Regular maintenance and upkeep are essential for keeping a backup generator in optimal working condition. This includes periodic oil and philtre changes, spark plug inspection/replacement, and battery testing. Additionally, it is important to inspect the fuel system, air intake, and cooling system regularly. Statistics show that generators that receive regular maintenance have significantly fewer breakdowns and longer lifespans compared to those that are neglected.

How does a backup generator work?

A backup generator works by converting mechanical energy into electrical energy, providing power during a blackout or emergency situation. Typically fueled by diesel, propane, or natural gas, the generator consists of an engine that turns a rotor inside a coil of wire, producing an electric current. This current is then converted into usable electricity for appliances and devices in your home. According to a study conducted by TechSci Research, the global market for backup generators is expected to reach $3.5 billion by 2023, indicating the growing demand and importance of these devices for homeowners.

When is it necessary to have a backup generator?

It is necessary to have a backup generator for your home in multiple scenarios, such as during power outages caused by natural disasters like hurricanes, storms, or earthquakes. According to data from the U.S. Energy Information Administration, power outages in the United States have been increasing in frequency and duration over the past decade. A backup generator ensures that you have access to essential functions like lighting, heating or cooling, and the ability to charge devices, which is crucial for safety and comfort during prolonged power interruptions.

What types of backup generators are available on the market?

The market offers a wide range of backup generators, including portable generators, standby generators, and inverter generators. Portable generators are versatile and can be used for various purposes, making them popular among homeowners. Standby generators are permanently installed and automatically turn on during power outages, providing seamless backup power. Inverter generators offer clean and stable power, making them suitable for sensitive electronics. According to a report by Grand View Research, the global backup generator market is expected to reach $5.24 billion by 2025, indicating the availability and increasing demand for these products.

What size of backup generator do I need for my home or business?

The size of backup generator you need for your home or business depends on your power requirements. A good rule of thumb is to calculate the total wattage of all essential appliances and electronics that you would like to keep running during a power outage. A 5,000-7,500-watt generator is usually sufficient for most average-sized homes, while larger properties or businesses may require generators with higher wattages. It’s important to account for starting wattage as some appliances require more power to start up.

Contact Us


Unit 1/81-83 Canterbury Rd, Kilsyth VIC 3137