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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%
6 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%
24 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
1 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
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

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

A home that is 2,500 square feet will likely need a 20kW to 25kW generator. Consult your local generator installer to confirm the generator size needed to power your home before purchasing a new one. Be sure to consider how much power your necessary devices need to run.

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.

In most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home generators. A permit for a generator usually costs between $50 and $250, depending on where you live. Your electrician or certified generator installer will usually pull the permit for you—and might be required to do so by your building department—but you’ll be on the hook for the cost of the permit. You should ask your installer before agreeing to any work if they will pull the necessary permits for your project.

Yes, in most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home models. Because these installations involve significant alterations to your home's electrical system and produce exhaust fumes, local governments often require a permit or inspection for safety purposes. A generator permit typically costs between $50 and $250, depending on your location. Your electrician or certified installer can usually handle the permitting process for you, but you will be responsible for the cost. It's a good practice to confirm with your installer that they will pull all necessary permits before work begins.

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.