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How to Select the Right Backup Generator for Your Needs

  • Harleigh Strack
  • Apr 10
  • 4 min read

Power outages can happen at any time, leaving you in the dark and disrupting your daily life. Whether due to severe weather, equipment failure, or other unforeseen circumstances, having a backup generator can be a lifesaver. However, with so many options available, selecting the right backup generator for your needs can be overwhelming. This guide will help you navigate the process, ensuring you choose a generator that meets your requirements effectively.


Understanding Your Power Needs


Before diving into the specifics of generators, it’s crucial to assess your power needs. This will help you determine the type and size of generator you require.


Calculate Your Power Requirements


  1. List Essential Appliances: Make a list of the appliances and devices you want to power during an outage. Common items include:

  2. Refrigerators

  3. Heating and cooling systems

  4. Lights

  5. Medical equipment

  6. Electronics


  7. Determine Wattage: Each appliance has a specific wattage requirement. You can usually find this information on the appliance label or in the user manual. For example:

  8. A refrigerator may require around 600 watts.

  9. A window air conditioner could need about 1,200 watts.


  10. Add Starting and Running Watts: Some appliances, like refrigerators and air conditioners, require more power to start than to run. Make sure to account for both starting and running watts in your calculations.


Example Calculation


Let’s say you want to power the following during an outage:

  • Refrigerator: 600 watts (starting) / 200 watts (running)

  • Lights: 300 watts

  • Laptop: 100 watts


Your total starting wattage would be:

600 (refrigerator) + 300 (lights) + 100 (laptop) = 1,000 watts


Your total running wattage would be:

200 (refrigerator) + 300 (lights) + 100 (laptop) = 600 watts


Consider Future Needs


When selecting a generator, think about potential future needs. If you plan to add more appliances or devices, it may be wise to choose a generator with a higher capacity than your current requirements.


Types of Backup Generators


Once you understand your power needs, it’s time to explore the different types of backup generators available.


Portable Generators


Portable generators are versatile and can be moved easily. They are ideal for temporary power needs and can run on gasoline, propane, or diesel.


Pros:

  • Lower initial cost

  • Easy to transport

  • Suitable for camping or outdoor events


Cons:

  • Limited power output

  • Requires manual setup

  • Needs to be refueled regularly


Standby Generators


Standby generators are permanently installed and automatically turn on during a power outage. They are typically powered by natural gas or propane.


Pros:

  • Automatic operation

  • Higher power output

  • Can power an entire home


Cons:

  • Higher initial cost

  • Requires professional installation

  • Maintenance is necessary


Inverter Generators


Inverter generators are a type of portable generator that produces cleaner power, making them suitable for sensitive electronics.


Pros:

  • Quiet operation

  • Lightweight and portable

  • Clean power output


Cons:

  • Higher cost per watt

  • Limited power capacity


Fuel Types


The type of fuel your generator uses can significantly impact its performance and convenience. Here are the most common fuel types:


Gasoline


Gasoline is widely available and often the most affordable option. However, it has a shorter shelf life and can be hazardous if not stored properly.


Propane


Propane is cleaner-burning and has a longer shelf life than gasoline. It is often used for standby generators and can be stored in large tanks.


Diesel


Diesel generators are known for their durability and efficiency. They are typically used for larger power needs but can be more expensive.


Natural Gas


Natural gas generators are convenient for standby applications, as they can be connected directly to your home’s gas supply. They are also cleaner-burning than gasoline or diesel.


Key Features to Consider


When selecting a backup generator, consider the following features to ensure you choose the right model for your needs.


Power Output


Ensure the generator can handle your calculated wattage requirements. Look for models that provide a bit of extra capacity to accommodate future needs.


Runtime


Check the generator's runtime on a full tank. A longer runtime means less frequent refueling during outages.


Noise Level


Generators can be noisy, which may be a concern for you or your neighbors. Look for models with lower decibel ratings, especially if you live in a residential area.


Portability


If you opt for a portable generator, consider its weight and design. Look for features like wheels and handles for easier transport.


Safety Features


Safety features such as automatic shut-off, low-oil shutdown, and carbon monoxide detectors are essential for safe operation.


Maintenance and Care


Proper maintenance is crucial for ensuring your generator operates efficiently when needed. Here are some tips:


  1. Regular Inspections: Check for any signs of wear and tear, including hoses, belts, and connections.

  2. Oil Changes: Change the oil according to the manufacturer’s recommendations to keep the engine running smoothly.

  3. Fuel Stabilizer: If using gasoline, add a fuel stabilizer to prevent degradation during storage.

  4. Exercise the Generator: Run the generator for a short period every month to keep it in good working condition.


Budget Considerations


The cost of backup generators can vary significantly based on type, size, and features. Here’s a rough breakdown:


  • Portable Generators: $300 - $1,500

  • Standby Generators: $2,000 - $10,000 (including installation)

  • Inverter Generators: $500 - $3,000


When budgeting, consider not only the initial purchase price but also installation costs, maintenance, and fuel expenses.


Where to Buy


You can purchase backup generators from various sources, including:


  • Home Improvement Stores: Retailers like Home Depot and Lowe’s often carry a range of models.

  • Specialty Stores: Stores that specialize in generators may offer more options and expert advice.

  • Online Retailers: Websites like Amazon provide a wide selection and customer reviews to help you make an informed decision.


Conclusion


Selecting the right backup generator for your needs involves careful consideration of your power requirements, the types of generators available, and your budget. By understanding these factors, you can make an informed decision that ensures you and your family are prepared for any power outage.


Remember to assess your needs, explore different options, and maintain your generator properly to ensure it serves you well when you need it most. Take the next step today and start researching the best backup generator for your home.


Eye-level view of a portable generator in a backyard setting
Eye-level view of a portable generator in a backyard setting
 
 
 

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