How to Know What Size Generator You Need for Your Home or Business

When power outages strike, having a reliable generator can be a lifesaver. Whether you’re looking to keep the lights on at home or maintain operations for your business, choosing the right size generator is crucial. But how do you determine the correct size? At Boudreaux's Electrical Services, we’re here to guide you through the process so you can make an informed decision.

Why Generator Size Matters

The size of a generator is measured in watts (W) or kilowatts (kW), which indicates how much power it can supply. Choosing a generator that's too small can lead to overloading, potentially damaging your appliances or the generator itself. On the other hand, an oversized generator can waste fuel and cost more upfront.

Steps to Determine the Right Generator Size

1. Assess Your Power Needs

Start by listing all the devices and appliances you need to power during an outage. Include essentials like refrigerators, HVAC systems, lights, and medical equipment for homes, or critical business equipment such as computers, servers, and machinery for businesses.

  • Identify Running Wattage: Each device has a running wattage requirement. Check the labels or user manuals for this information.

  • Consider Starting Wattage: Some devices, like air conditioners and refrigerators, require additional power to start. This is known as starting or surge wattage.

2. Add Up the Wattage

Once you’ve identified the running and starting wattages of your appliances, add them together. This total gives you a baseline for the generator size you’ll need. For example:

  • Refrigerator: 800W running, 1,600W starting

  • Lights: 300W

  • HVAC: 3,000W running, 4,500W starting

  • Total: Approximately 6,400W (or 6.4 kW)

3. Factor in Future Needs

If you anticipate adding more appliances or expanding your business operations, consider a generator with slightly higher capacity to accommodate future growth.

4. Choose Between Standby and Portable Generators

  • Standby Generators: These are permanent installations designed for higher power needs and automatic operation. Ideal for large homes or businesses.

  • Portable Generators: Suitable for smaller power needs or temporary use, they’re less expensive but require manual setup and operation.

5. Consult a Professional

Working with an experienced electrician can help you accurately calculate your power requirements and recommend the best generator for your needs. At Boudreaux’s Electrical Services, we offer professional assessments and installation services to ensure your generator is perfectly suited to your home or business.

Additional Tips

  • Consider Fuel Type: Generators can run on gasoline, diesel, propane, or natural gas. The fuel type you choose may affect the generator size and its operating costs.

  • Check Local Codes: Some areas have regulations on generator installation, especially for standby systems. Ensure compliance to avoid issues.

  • Budget for Installation: For standby generators, factor in costs for installation, including wiring, transfer switches, and permits.

Why Choose Boudreaux’s Electrical Services?

Our team at Boudreaux’s Electrical Services has years of experience helping homeowners and businesses in the Baton Rouge area find the right generators. From initial consultation to professional installation and maintenance, we’re committed to keeping you powered and prepared for any outage.

Choosing the right generator size for your home or business doesn’t have to be complicated. By assessing your power needs, considering future growth, and consulting a professional, you can invest in a generator that provides reliable power when you need it most. Contact Boudreaux’s Electrical Services today to get started—we’re here to help you make the best choice for your peace of mind.

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