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Avatar for Service Pro Electric LLC
Service Pro Electric LLC
5.0(
10
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+3 more

Serving Farragut, TN and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Alex was very professional. Great communicator and planner. The estimate he gave was right on and matched my own expectations. Clean work, punctual and verifiable. I plan on using Service Pro again on future job. and planner. Had a service update and changeover from 100 amp fuse box to 200 amp breaker box. Alex didn't miss a beat. Thank you sir for making us feel important."
EV Charger
EV Charger
Panel Upgrade
Panel Upgrade
Troubleshooting Light

+4

71 neighbors recently requested a quote
Avatar for Premier Generators
Premier Generators
New to Angi
Fixed Generator - Install

Serving Farragut, TN and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

Premier Generators has helped homeowners and businesses across the Southeast protect what matters with reliable Generac home standby generators for over 30 years.\n\nWhen power goes out, your generator is designed to start automatically and restore power within seconds, helping keep your home or business running smoothly. We start by learning what matters most on your property, then guide you through a clear process: right-sized recommendations, permitting, installation, and complete start-up and testing.\n\nOur relationship does not end at installation. We provide service and maintenance to help your system stay ready, including routine inspections, preventive maintenance, and repairs. Ask about maintenance plans and support options, plus warranty coverage that can extend up to 10 years.\n\nWhether you’re protecting a whole home or a commercial site, we’ll help you choose the right solution for your needs and leave you feeling confident, informed, and prepared long before the next outage.

138 neighbors recently requested a quote
City County Electric
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Farragut, TN and surrounding areas

Approved

In business since 2015

Offers commercial services

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

Response time10 mins
Harman Industries Inc.
New to Angi
Portable Generator - Repair

Serving Farragut, TN and surrounding areas

Approved

Harman Industries Inc. – Quality Electrical Work Done Right\n\nHarman Industries Inc. provides reliable residential and light commercial electrical services with a focus on safety, efficiency, and honest pricing. We specialize in troubleshooting, panel upgrades, service work, lighting installation, and new construction or remodel wiring.\n\nFrom small repairs to full electrical upgrades, every job is completed with attention to detail and clear communication—done right the first time.\n\nServices:\n• Troubleshooting & repairs\n• Panel upgrades\n• Temporary power setups\n• Lighting installation\n• Service calls\n• New construction & remodels\n\nDependable service you can trust. Contact today for a free estimate.

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Generator Install questions, answered by experts

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

Most homeowners won't be able to claim a home generator as a tax write-off. However, a whole-house generator may be tax-deductible in certain situations depending on its purpose. For instance, if it's needed to power essential medical equipment, it may qualify as a medical expense deduction. Also, in some cases, businesses can deduct a generator as a business expense if it supports operations. Always consult a tax professional to determine eligibility based on your specific circumstances and the applicable IRS regulations.

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

The Farragut, TN homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.