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5 Facts to Know Before You Buy a Generator

September 6, 2024

Purchasing a generator can be a critical decision, whether for emergency preparedness or to ensure convenience during power outages. With numerous options available in the market, understanding the key factors to consider can help you make an informed choice. This blog post will guide you through essential facts you need to know before investing in a generator, ensuring you select the right kind to suit your needs.


1. Determine the Right Size

One of the most important factors in choosing a generator is determining your desired size. Generators come in various wattages that can power different amounts of appliances and devices. According to EcoFlow, a generator rated between 5,000 and 8,000 watts should be enough for a home. This range will typically cover essential household items such as refrigerators, lights, and even some heating and cooling systems. It's crucial to assess your specific power needs and possibly consult with an expert to ensure you choose the appropriate size. An undersized generator may not support all your appliances, while an oversized one could be unnecessarily expensive and inefficient.


2. Fuel Type Matters

Generators can run on various types of fuel, including gasoline, diesel, propane, and natural gas. Each fuel type has its advantages and drawbacks. For instance, gasoline is readily available but can be difficult to store for long periods, while propane doesn't degrade over time and can be easier to store, but may not be as widely available. Consider your proximity to fuel sources and storage capabilities when making your decision. Additionally, think about fuel efficiency and environmental impact. Some fuels produce more emissions than others, which could be a concern if you're looking to minimize your carbon footprint.


3. Portable vs. Standby Generators

Understanding the difference between portable and standby generators is key to making the right investment. Portable generators are typically more affordable and can be moved to different locations as needed. However, they require manual setup and connection. On the other hand, standby generators are permanently installed and automatically turn on during a power outage but come at a higher installation and maintenance cost. If you live in an area prone to frequent outages, the convenience of a standby generator might justify the higher initial investment.


4. Noise Levels

While power outages are often frustrating, the noise from your generator shouldn't add to your stress. Generators vary significantly in their noise levels when in operation. Quiet generators are available, but they usually come at a premium price. If noise is a concern, look for models that advertise their decibel ratings, and consider investing in a generator enclosure or placing the unit farther from living areas. Keep in mind that local noise ordinances may also influence your choice, especially if you live in a residential neighborhood with strict regulations.


5. Maintenance and Longevity

Before making a final decision, it's crucial to understand the maintenance requirements and expected longevity of your generator. Regular maintenance, including oil changes, fuel stabilizing, and general inspections, can prolong the life of your generator. Additionally, models from reputable brands often come with warranties and customer support, providing peace of mind regarding repairs and parts replacement. Prioritize a generator known for its durability and longevity to maximize your investment. Be sure to schedule regular maintenance checks to keep your generator in optimal condition, ensuring it will perform reliably when you need it most.


Selecting the right generator involves careful consideration of multiple factors, including size, fuel type, portability, noise levels, and maintenance needs. By thoroughly understanding the requirements and available options, you can ensure that you purchase a generator that meets your specific needs and provides reliable power during outages. Armed with these facts, you'll be well-equipped to make an informed decision and keep your home running smoothly when the unexpected occurs. If you need a new generator, don't hesitate to contact John H. Coleman Co today. Our team offers whole-house generators to ensure you and your loved ones are never without power. We also offer heating and cooling services, electrical services, and plumbing services. We have been serving the Knoxville, TN area since 1945. That being said, we know how to care for all of your HVAC, electrical, and plumbing needs. Contact our team today for a free estimate!

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