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Frequently Asked Questions

Table of Contents

General
What is an automatic backup generator?

An automatic backup generator is an electrical system that automatically restores power in your home during an outage. Moments after a power outage, it automatically supplies power to your home’s circuit breaker box to keep your essential appliances running.

If my power comes on, do I have to turn my generator off?

No, automatic backup generators are also designed to shut themselves off when utility power returns to your home. Once it turns off, it won’t turn back on until the next outage.

Why should I buy an automatic backup generator instead of a portable generator?

During a utility power outage, an automatic backup generator provides numerous advantages over a portable generator:

  • The American Red Cross recommends permanently installed backup generators as a safer way to provide backup power to a home than a portable generator.
  • With an automatic backup generator properly installed outside, your home is protected from deadly carbon monoxide poisoning that is a much greater risk with portable generators.
  • Running on the home’s natural gas or LP fuel supply, it is less expensive to run than gasoline and sources such as natural gas do not need to be refilled.
  • They start automatically within seconds of a power outage, and eliminate the need to haul a portable generator outside or run extension cords throughout your home.
  • They provide protection 24/7, whether you’re home or away, and they turn themselves off when utility power returns, so there is no need to monitor the unit during an outage.
How do I choose the correct size generator to power my home?

The first thing you should do is think about your home and what you would do in the event of a power outage. Would you want your entire home to have power or are you only concerned with keeping the essentials up and running? Keep in mind some outages can last longer than a day. With some basic information, you can determine an estimated size by using our Generator Sizing Calculator.

Essential Circuit Coverage – Generac takes the guesswork out of sizing by offering prepackaged Guardian Series generator systems. The generator is paired with a transfer switch containing a predetermined number of circuits based on the generator’s kW power rating. Each circuit is directly connected to a matched circuit on the home’s main circuit breaker panel, providing electricity to that specific appliance or area of the home.

Managed Whole House Coverage – You can get more coverage with less generator, up to whole-house coverage, by pairing a smaller generator with one of Generac’s load shedding options. This creates a managed power solution where non-essential circuits are shed when the generator approaches maximum capacity. They are cycled back on when essential circuits no longer require power, so all circuits receive power at different times.

Complete Whole House Coverage – Easily cover every circuit in your home by pairing one of Generac’s larger kW units and the proper transfer switch to provide full coverage. No circuit is ever left uncovered, so every appliance is available every minute.

Can my home backup unit be set up to run on both liquid propane and natural gas?

No, your generator cannot run on both types of fuel sources. Generac home backup generators are designed to run on one fuel source and they are factory set to run on natural gas. However, if you would rather have your generator run on liquid propane, a Sila technician can reconfigure your generator during installation.

How do I maintain my generator?

If you would like to maximize performance and longevity of your generator, it is critical that your generator undergo periodic maintenance. Sila offers ongoing support after installation and performs an annual maintenance check for all of our generators to make sure that everything is running properly for our customers. Refer to the owner’s manual for routine maintenance procedures and schedules.

How does an automatic transfer switch work?

Its primary function is to prevent your home from being powered by utility and generator power at the same time. If utility power is lost, the generator control panel senses the loss and tells the transfer switch to close off the connection with utility and complete the connection with the generator so it can begin providing power to the home.

How is the automatic transfer switch connected to the house/generator?

This can vary by the type of transfer switch and depends on the number of circuits you would like covered. In a partial home application, the transfer switch is installed similarly to a subpanel, and the circuits that are covered by the generator are moved either into a circuited transfer switch, or are installed in a subpanel that is protected by a non-circuited transfer switch.

In a whole home application, the transfer switch is installed between the incoming utility power source and the home’s distribution panel.

Can I install the generator myself?

If you order the generator directly from the manufacturer, Generac offers the Guardian Series systems prepackaged and pre-wired with comprehensive installation instructions. However, for safety reasons and to ensure adherence to all local, state and national electrical codes, particularly for non pre-wired or larger systems, it is highly recommended to have an authorized dealer and service provider like Sila to install your home generator.

How much does installation cost?

Every home is different, and so is every installation. The placement of the generator, the amount of materials required, and the installation of the natural gas or LP fuel source all make estimating installation costs unique. The best way to get an accurate estimate for your installation costs is to schedule a virtual assessment with a Sila expert. You can unlock additional savings by placing a deposit, as well.

Does Sila offer financing?

Yes. No matter what generator you decide to power your home, our team is prepared to walk you through a number of payment and financing options. Your Sila comfort advisor can provide you with all your options and help you choose the best one for your situation during your virtual consultation.