Imagine never being left in the dark or without power during a storm or outage. With a Generac generator, your worries can be put to rest. From portable to whole-house options, Generac offers a range of generators to suit your needs. In this article, we will explore the various factors to consider when choosing the right Generac generator for your specific requirements. With our friendly guidance, you can confidently make an informed decision and find the perfect generator to keep your home powered and secure.
Determining Your Power Needs

Assessing your power requirements
When choosing a Generac generator, it’s important to first assess your power requirements. Think about the appliances and electronics you want to be able to power during an outage. Make a list of all the essential appliances, such as refrigerators, freezers, medical equipment, and sump pumps. Additionally, consider any non-essential appliances or devices you may want to power, such as TVs, computers, and lights.
Understanding wattage and starting watts
To properly determine your power needs, you need to understand the concepts of wattage and starting watts. Wattage refers to the amount of power an appliance or device uses when it’s running. Starting watts, on the other hand, are the additional watts needed to start an appliance or device. Some appliances, like refrigerators and air conditioners, require a higher starting wattage than their running wattage.
Considering essential vs. non-essential appliances
When determining your power needs, it’s important to prioritize the appliances and devices you consider essential. These are the items that are necessary for your safety, health, or well-being during a power outage. Non-essential appliances, while nice to have, may not be vital for your immediate needs. By differentiating between essential and non-essential items, you can better understand the power requirements and choose the appropriate Generac generator.
Types of Generac Generators
Portable generators
Portable generators are a versatile option for both indoor and outdoor use. They are designed to be easily moved and can provide temporary power during emergencies or outdoor activities. Portable generators come in various sizes and power outputs, allowing you to choose the one that suits your specific needs. They usually run on gasoline or propane, making them a flexible choice for different situations.
Standby generators
Standby generators, also known as whole-house generators, are permanently installed outside your home or business. They are connected to your electrical system and automatically turn on when there’s a power outage. Standby generators offer a seamless backup power solution, providing you with uninterrupted power for all your essential appliances and systems. They are typically fueled by natural gas or propane and are available in different sizes to meet your power requirements.
Inverter generators
Inverter generators are known for their quiet operation and clean power output. They are designed to produce a stable and reliable source of power, making them ideal for sensitive electronics and devices. Inverter generators are typically more compact and lightweight than other types of generators, making them highly portable. They are often used for camping, RVing, or outdoor events where quiet operation and fuel efficiency are important factors.
Choosing the Fuel Type
Gasoline generators
Gasoline generators are commonly used due to the accessibility of gasoline. They are generally more affordable compared to other fuel types and provide a reliable source of power. Gasoline generators are also readily available at most gas stations, making it easy to refuel during an emergency. However, gasoline has a shorter shelf life compared to other fuels, so proper storage and maintenance are necessary to ensure its usability.
Propane generators
Propane generators are a popular choice due to the clean-burning nature of propane. Propane offers a longer shelf life compared to gasoline, making it a convenient fuel option. Propane generators are also quieter during operation and produce fewer emissions, which is beneficial for both the environment and your personal comfort. Propane is typically stored in portable cylinders or larger tanks, and refueling is as simple as connecting a new tank.
Diesel generators
Diesel generators are known for their durability and fuel efficiency. They are often used in commercial settings where a reliable and consistent power source is required. Diesel fuel is less flammable than gasoline, making diesel generators a safer option in certain situations. However, diesel generators tend to be more expensive upfront and require regular maintenance to ensure optimal performance. They are best suited for applications where long-term power is needed.
Generator Size and Power Output
Calculating your power requirements
To determine the right generator size and power output, you need to calculate your power requirements. Start by adding up the wattage of all the essential appliances and devices you want to power. Consider both the running wattage and starting wattage for each item. Once you have the total wattage, multiply it by a safety factor to ensure your generator can handle any additional power needs. A safety factor of 1.5 to 2 is generally recommended.
Determining the right generator size
Once you have calculated your power requirements, you can determine the right generator size. Generators are available in various sizes, ranging from small portable units to large standby models. Choosing the right generator size depends on factors such as the number of essential appliances you want to power simultaneously and the starting wattage requirements of those appliances. It’s important to select a generator that can meet your power needs without overloading.
Evaluating power output options
When choosing a Generac generator, consider the power output options available. Some models can provide power through multiple outlets, allowing you to connect multiple devices directly to the generator. Others may have additional features such as USB ports or RV-ready outlets for specific applications. Evaluate your power requirements and the types of devices you need to power to determine which power output options will best suit your needs.
Consider the Run Time and Fuel Efficiency
Understanding run time
The run time of a generator refers to how long it can provide power on a single tank of fuel. It’s an important factor to consider, especially during prolonged power outages. The run time can vary depending on the generator’s fuel capacity and fuel efficiency. It’s also influenced by the power load you place on the generator. If you anticipate longer power outages, consider a generator with a longer run time or the ability to connect additional fuel sources.
Evaluating fuel consumption
Fuel consumption is an essential consideration when choosing a Generac generator. Different generator models have varying levels of fuel consumption, depending on factors like the size of the generator, the power load placed on it, and the fuel type used. Generators with higher fuel efficiency will consume less fuel, resulting in longer run times and potentially lower operating costs. Look for fuel consumption specifications when comparing different generators.
Exploring fuel efficiency technologies
Generac offers various fuel efficiency technologies in their generators to optimize fuel consumption. One such technology is the Generac OHVI® engine, which is designed to maximize power output while minimizing fuel consumption. Inverter generators also tend to be more fuel-efficient due to their ability to adjust engine speed based on the power load. Consider the fuel efficiency technologies available in Generac generators to ensure you get the most out of your fuel supply.
Noise Level Considerations
Understanding decibel levels
Generators produce noise during operation, and it’s essential to consider the noise level when choosing a Generac generator. Noise levels are measured in decibels (dB). A lower decibel rating indicates a quieter generator. It’s important to strike a balance between power and noise, especially if you’ll be using the generator in residential areas or noise-sensitive environments. Keep in mind that decibel levels can increase as the power load on the generator increases.
Comparing noise levels of different generators
When comparing different Generac generators, pay attention to the noise levels specified by the manufacturer. These levels are usually given at a specific distance from the generator, such as 23 feet. The noise levels can vary depending on the size and type of the generator, as well as the load placed on it. Consider the noise levels in relation to your specific needs and any noise regulations or restrictions in your area.
Finding the right balance between power and noise
Finding the right balance between power and noise is crucial when choosing a Generac generator. Consider your power requirements and the noise tolerance in your intended operating environment. If noise is a significant concern, look for models that offer quieter operation, such as Generac’s QuietSource® series. Additionally, you can choose generators with sound-reducing features like noise-reducing enclosures or mufflers to minimize the noise impact.
Transfer Switch Options
Understanding the importance of a transfer switch
A transfer switch is a crucial component of a standby generator system. It acts as a connection point between your generator and your electrical system. The transfer switch ensures a safe and seamless transition of power from the utility grid to your generator during an outage. It also prevents backfeeding, which can be hazardous to utility workers. Installing a transfer switch is essential for the proper functioning and safety of your standby generator.
Different types of transfer switches available
Generac offers different types of transfer switches to suit various needs. Manual transfer switches require you to manually switch the power source between the utility grid and the generator. Automatic transfer switches, on the other hand, detect a power outage and automatically switch to generator power without any manual intervention. Select the type of transfer switch that aligns with your convenience, usage, and budgetary considerations.
Selecting the right transfer switch for your generator
When selecting a transfer switch for your Generac generator, ensure compatibility with your generator model and size. Transfer switches are rated by the maximum amount of power they can handle, usually in amps. Consider both the continuous and surge power requirements of your generator when choosing a transfer switch. It’s recommended to consult a qualified electrician to determine the appropriate transfer switch for your specific generator and electrical system.
Additional Features and Accessories
Electric start vs. manual start
Many Generac generators offer the option of electric start or manual start. Electric start models feature a battery-powered starter, allowing you to easily start the generator with the push of a button. Manual start models require you to use a pull cord or recoil start to start the generator. Electric start generators can be more convenient, especially for those with limited physical strength or mobility. Consider your preferences and needs when choosing between electric start and manual start.
Automatic voltage regulation
Automatic voltage regulation (AVR) is a feature available in some Generac generators. It helps regulate the voltage output of the generator, ensuring a stable and reliable power supply. AVR prevents voltage fluctuations that can damage sensitive electronics and appliances. If you plan on powering devices like computers or televisions, consider a generator with AVR for added protection and peace of mind.
Electrical panel compatibility
Before purchasing a Generac generator, it’s important to ensure compatibility with your electrical panel. Generac offers a wide range of generators with different features and outputs, allowing you to find one that suits your specific panel requirements. Consider factors such as the amperage and voltage compatibility, as well as the number and type of circuits you want to power. Proper compatibility ensures a safe and efficient power transfer to your electrical system.
Portability and Mobility
Evaluating weight and size
Portability is an important consideration, especially if you plan on using your generator in various locations. Generac offers generators of different sizes and weights to accommodate different needs. Consider the weight and dimensions of the generator to ensure it’s easy to transport and maneuver. Smaller, compact generators are generally more portable, while larger models may offer additional power output but may be less convenient to move around.
Wheels and handles for easy maneuverability
Many Generac generators come equipped with wheels and handles for easy maneuverability. These features allow you to roll the generator over various terrains and navigate tight spaces. Look for generators with sturdy wheels and comfortable handles that make it convenient to transport. Additionally, consider whether the generator has a foldable or collapsible handle for compact storage when not in use.
Considerations for storage and transportation
When considering portability and mobility, also keep in mind the storage and transportation requirements of your generator. Think about the available space in your home or vehicle for storing the generator. Some models may have specific storage or transportation features, such as removable fuel tanks or foldable handles, that make them easier to store or transport. Evaluate your specific needs and limitations to ensure the generator is easy to handle and store when not in use.
Budgetary Considerations
Setting a budget for your generator purchase
Setting a budget is an important step when choosing a Generac generator. Determine how much you are willing to spend on a generator and consider it as an investment in your backup power needs. Keep in mind that the initial purchase price is just one aspect of the budget. Consider any additional costs for installation, maintenance, and fuel. It may be worth spending more upfront for a generator that meets your specific requirements and offers long-term reliability.
Comparing prices and features
When comparing prices, consider the features and specifications included with each Generac generator. Higher-priced models may offer additional power output, fuel efficiency, or convenience features. However, it’s important to evaluate whether these features align with your specific power needs. Don’t solely base your decision on price alone; consider the overall value and benefits offered by the generator within your budget.
Considering long-term costs and return on investment
While the initial purchase price of a Generac generator is a significant factor in your budget, consider the long-term costs and return on investment as well. Factors such as fuel consumption, maintenance requirements, and the generator’s lifespan will influence the ongoing costs of ownership. A more fuel-efficient generator may result in lower fuel costs over time, while a generator with a longer lifespan can provide reliable power for longer periods without the need for replacement. Consider the long-term costs and potential savings when making your decision.
In conclusion, choosing the right Generac generator for your needs requires careful consideration of your power requirements, fuel type, generator size, run time, noise level, transfer switch options, additional features, portability, budget, and return on investment. By understanding these factors and evaluating your specific needs, you can select a Generac generator that provides reliable backup power and peace of mind during an outage. Remember to consult with a qualified professional before making a final decision to ensure the generator meets all safety requirements and electrical codes.