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Avatar for SciFiHomes Inc
SciFiHomes Inc
5.0(
27
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+4 more

Serving Toms Brook, VA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"These guys did a fantastic job and were an absolute pleasure to work with. Small business, all primary work done by the three owners/operators of the group, who are are masters in their respective fields: "Tech Guy", Electrician, and Gas Fitter. (I genuinely hope to not cause offense by this broadly generalized description). I had a 20kW Cummins LP/NG-fired automatic backup generator installed and connected to a new automatic transfer switch, and (since we had no existing gas system) a new 500gallon LP propane tank installed and under-grounded to feed the generator. My main electrical panel was brought up to current code in the process. The excavation and burial work was subcontracted to a trusted local operator that did really nice work, and they worked with Southern States to provide a tank and first fill. They handled all the permits and coordinated the inspections. Waiting for the county inspector, and waiting for Southern States to fill the tank after the gas inspection, were the only observable delays in the process, and those were negligible/reasonable. The SciFiHomes people were quick, efficient, and obviously practiced with all of their pieces of the work. They will strongly prefer Cummins-brand generators over the competitors, and they are more a more expensive initial investment compared to them. After doing my own research after their sales pitch, it is a very worthwhile "upgrade". The difference between Cummins' generators and the competitors is fuel efficiency; according to the math, I'll get over 24 hours of additional runtime vs (as an example) Generac's 20kW generator at 40% average load on a full 420gallons of propane in the new 500gal tank. With an extended outage, or multiple long outages as with last winter in Frederick County, that's a very significant advantage. Sorry for the "sales pitch"; I only included this to prove that they're in my opinion very justified in pushing the "premium" brand. We purchased the extended warranty uplift as well as their extended service agreement. We can't recommend them enough; fantastic experience, and this generator has already flawlessly provided over 20 hours of outage coverage in the 5 months we've had it. Winter is coming, and we'll be ready this time. It just works... These guys and their total solution probably isn't the absolute cheapest in the area... but we absolutely got what we paid for. Thanks SFH!"
Cummins Onan 400A ATS
Cummins Onan 20kW
Briggs & STratton Standby Generator
Response time7 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Varco, LLC
Varco, LLC
5.0(
23
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Toms Brook, VA and surrounding areas

Approved

In business since 2003

Free estimates

Customers say: True professional

"Chris was able to straighten out a problem with a hallway outlet. He took time to explain the process. Chis is a very friendly, intelligent individual. I have no reason not to contact your company in the future should I have an additional electrical problem."
Response time1 day
Response rate89%
29 neighbors recently requested a quote
Avatar for SciFiHomes, Inc.
SciFiHomes, Inc.
4.8(
51
)
Fixed Generator - Install

Serving Toms Brook, VA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Super helpful on guiding us through the process of choosing the correct size generator, as well as explaining the process. Very professional and timely with all aspects of the job. Would definitely recommend."
JK Cummins 20kW Standby Generator Install
Briggs & Stratton 20kW #1
RH Cummins 20kW Standby Generator, Roundhill, VA
 Generac 20kW Standby Generator
RF 20kW Standby Generator

+11

Response time5 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Total Electric Solutions LLC
Total Electric Solutions LLC
5.0(
5
)
Fixed Generator - InstallPortable Generator - Install

Serving Toms Brook, VA and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

Total Electric Solution is a licensed and insured electrical contractor serving Loudoun County and surrounding areas. We specialize in high-end residential and light commercial electrical work, including renovations, service upgrades, lighting solutions, generators, and custom electrical installations. Our team is committed to clean workmanship, clear communication, and code-compliant installations that are built to last.

Trencher
Vehicle Charger
4 neighbors recently requested a quote
Stinnett Electrical Services
5.0(
3
)
Portable Generator - Repair

Serving Toms Brook, VA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

Stinnett Electrical Services, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of your interests and make your concerns the basis of our business.

Response time50 mins
Recommended by100%of homeowners
Avatar for Versatile Electrical Services LLC
Versatile Electrical Services LLC
4.8(
25
)
Portable Generator - Install

Serving Toms Brook, VA and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Arnold and Jared arrived on time; weâ re professional, friendly, and completed the install expertly. This is the third project I had VESLLC do for me. Extremely happy with their work and cleaning up after. Highly Recommend them!! Already thinking of a few other projects for them to do. Fair priceâ ¦ they listen and then recommend the best way to complete the projectâ ¦They donâ t over selll!"
kitchen
kitchen /open concept
kitchen
basment
fan

+5

Response time2 hrs
Recommended by85%of homeowners
R C Electrical
4.4(
9
)
Fixed Generator - Install

Serving Toms Brook, 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 Toms Brook, 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
Showing 1-10 of 31
Generator Install questions, answered by experts

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

It might seem counterintuitive, but installing a generator transfer switch will save you money in the long run. While you’ll have to pay between $400 and $2,500 to have the transfer switch installed, you’ll recoup that amount later on when you don’t have to pay for expensive repairs to your appliances, devices, and electrical system that may have burned out, overloaded, or stopped working due to a sudden loss of power or an incorrect hook up of a generator to your home

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

In many cases, yes. There are models called dual-fuel generators and fuel switches, but only between certain types of fuel. For example, with the right setup you can convert a generator from natural gas to propane. Some allow switching between diesel and gasoline. There are even tri-fuel generators available in some cases, which adds a large layer of security if you are worried about fuel availability in times of crisis. Always check your generator capabilities and manual instructions before trying to switch fuels. Some generators can use another fuel but may need a fuel conversion kit to prep them first.

The Toms Brook, VA homeowners’ guide to generator installs

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