Top Features to Look for in a Backup Generator

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Oct 09, 2025

Power outages or emergencies can be an inconvenient and dangerous situation if left unattended. As a property owner, having a standby or portable generator at home can mitigate these scenarios and keep your home functioning during outages. However, deciding you want a reliable backup power source is only the beginning of the process. At Mr. Electric, we understand the intricacies of different systems, helping homeowners account for crucial factors and make informed decisions for their needs. If you have a backup generator installation or replacement scheduled, here are the crucial factors to consider.

Determine Your Power Needs

The most important consideration when looking for a backup power source is your specific needs. Calculate the total wattage by listing all the devices and appliances you want to power during an outage, and add their running watts. A licensed electrician in Boulder, CO can also factor in surge wattage, which is the highest starting wattage requirement added to the total. This is a vital step in determining the correct system size and type for your situation.

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Choose the Right Fuel Type

Another crucial feature when installing a backup generator is fuel type. Most systems on the market use gasoline because it is readily available and cost-effective if used only during emergencies. However, gas systems offer shorter run times and higher noise levels. Propane is also a popular fuel choice, as it is stored easily in tanks. If you don’t have space for larger propane tanks, the trusted electrician will connect the generator to your home’s gas line for an uninterrupted fuel supply.

Check the Transfer Switch

Whether you prefer a standby or a portable system, checking the transfer switch is crucial to ensure you make informed decisions for your home. Standby units usually have an automatic transfer switch (ATS), which detects outages and automatically activates the generator to provide seamless power. On the other hand, outdated and most portable backup generators have a manual transfer switch. This means you have to manually connect the system to your home’s electrical system.

Consider Noise Levels

Generators, especially gasoline models, can be very loud during operation. While it is normal for backup power systems to produce sound when turned on, check the decibel (dB) rating to ensure you choose the right noise output. Standby generators usually have a decibel rating that ranges from 65-85 dB, while portable units have a noise output that ranges from 55-85 dB at 23 feet from the building. If you want an indoor system, consult a trusted electrical service provider to install a suitable battery-powered or inverter generator, which is quieter and preferred for noise-sensitive areas.

Prioritize Safety

Modern generators come with built-in shut-off features that prevent dangerous carbon monoxide buildup. The last thing you want is severe safety hazards due to accumulated CO in your home, causing breathing issues or even fatalities. Additionally, integrating overload protection systems is crucial to prevent the generator from damage due to too much load. Before signing off on any work, consult a professional to identify the different safety features that align with your needs and ensure proper ventilation to prevent system damage.

Hire the Pros for the Best Results

Whether you are buying a backup power generator or replacing an outdated model, hire a professional electrical service provider to do the job. Unlike untrained individuals, trained technicians utilize extensive knowledge and experience to ensure a safe and smooth installation. Additionally, experts specialize in different generator systems, helping you choose the best unit for your needs. Contact us at Mr. Electric to book an appointment with our electricians and enjoy efficient backup generator installation services at competitive rates.