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Avatar for SciFiHomes Inc
SciFiHomes Inc
5.0(
27
)
Fixed Generator - InstallPortable Generator - InstallFixed Generator - Repair+4 more

Serving Washington, VA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"SciFiHomes, Inc. did a great job installing our whole-house generator. They are friendly, efficient, reliable. They take the time to do things right and make sure the homeowner understands the equipment."
Cummins Onan 400A ATS
Cummins Onan 20kW
Briggs & STratton Standby Generator
Response time7 hrs
Response rate100%
4 neighbors recently requested a quote
Oaken Electrical Services
4.9(
9
)
Portable Generator - Repair

Serving Washington, VA and surrounding areas

In business since 2024

Credit card accepted

"This electrician is an amazing hard worker! He installed a motion sensor light in my laundry room with excellently! He has also done other work around my house like fixing my generator, figuring out why my outlet doesnâ t work ectâ ¦ He is really fun to talk to and his overall customer service is a 10/10! Would recommend"
Response time10 mins
Response rate91%
Recommended by75%of homeowners
R C Electrical
4.4(
9
)
Fixed Generator - Install

Serving Washington, VA and surrounding areas

In business since 2008

Free estimates

Warranties offered

"The men showed up on time and performed the task in a timely fashion. They were very professional and I will certainly use them in the future. They installed a 220 line for my dryer and corrected some work previously done before we moved here. Overall, I was very pleased with their work and friendliness while completing the work."
Response time2 days
Recommended by100%of homeowners
KDE Electric, LLC
5.0(
2
)
Fixed Generator - InstallFixed Generator - Repair

Serving Washington, VA and surrounding areas

In business since 2003

Free estimates

"Quality is top notch.Emil is a true craftsman,taking pride in his work.We had 2 other companies in to discuss generators. Emil took the time to walk us thru all we needed to know about making a knowledgeable decision. Work was completed in good order through some cold bitter weather.Perfect Job, I would highly recommend KDE."
Away from the house, it has a good ventilation
Neglected generator
Another high platform for flood areas
Guaranteed professional!
Underground propane tank & generator

+16

Response time11 hrs
Recommended by100%of homeowners
Avatar for Malone Electrical Solutions LLC
Malone Electrical Solutions LLC
4.1(
9
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Washington, VA and surrounding areas

In business since 2013

Free estimates

Emergency services offered

"Malone Electrical was competent and professional. Pricing was overall fair but nowhere near cheap. We hired him to install an upgrade to our electrical service from 80amps to 200amps and that's what we got, in a reasonable amount of time. He wasnt overly friendly though and would not baby the customer in any way. I would hire him again."
Electrical Project
Recommended by75%of homeowners
Showing 1-10 of 31
Generator Install questions, answered by experts

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500–$2,000

  • Partial-Home Generators (9kW–20kW): $2,000–$6,500

  • Whole-House Generators (22kW–48kW): $5,000–$18,000

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

Generators are safe to use as long as they are installed and operated correctly according to the manufacturer's recommendations. The most critical safety tips are to never use a portable or fuel-powered generator inside an enclosed space due to the risk of lethal carbon monoxide poisoning; always operate it outdoors where fumes can dissipate away from your home. Additionally, never attempt to connect a generator to your home’s electrical panel yourself—hire a professional to ensure the setup meets safety standards. Finally, avoid overloading the generator by not connecting more appliances than it is rated for, as this can damage your equipment or cause a fire.

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

The Washington, VA homeowners’ guide to generator installs

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