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TRUSTED BY COLESVILLE, MD HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon41
    Verified generator installs reviews

Find Generator install pros in Colesville

Long Electric, LLC
4.9(
167
)

Serving Colesville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Customers say: Quality work

"My experience is getting a new whole house generator installed by Long Electric was wonderful. They were responsive, timely and very professional. Everyone I dealt with was very courteous and answered all my questions over and over. I highly recommend their services."
Response time2 days
9 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Nasr Electric Inc
Nasr Electric Inc
4.9(
276
)

Serving Colesville, MD and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"Two workmen showed up at the designated time and installed 'in wall' electrical for undercabinet lighting in the wall along with trouble shooting additional 3-way light switches, dimmers, and USB outlets. Work was fast, efficient, and professionally done within the allotted time. Would definitely recommend and will use Nasr Electrical again in the future."
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+19

Response time5 days
Response rate100%
1 neighbors recently requested a quote
Avatar for GAC Services
GAC Services
4.8(
291
)

Serving Colesville, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"I’m back again to write another stellar review for GAC. Last year they replaced our HVAC system; this year we circled back and had them install a home generator. This was a long and drawn out process due to the various approvals needed from Montgomery County as well as coordination with Washington Gas (which ended up not just being a simple sign off but necessitating an additional, expensive upgrade to the gas line from the street to our home). Nevertheless, GAC did a fantastic job shepherding this process over the 6+ months of waiting on stakeholders, and they were also maximally accommodating to our family’s significant constraints on time and availability (due to health concerns related to a medically fragile family member). A special kudos to Sandy M, GAC’s master electrician, who took it on personally to ensure we were taken care of all throughout this process, going above and beyond with phone calls, text messages, personal visits, etc. on behalf of my family, I want to thank GAC and am giving top marks across the board for this effort which was complex , lengthy, and ultimately successful."
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66 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for William G Hyman Electrical Contractor
William G Hyman Electrical Contractor
4.8(
439
)

Serving Colesville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1980

Free estimates

Warranties offered

"This was our second time hiring Hyman Electric, and we could not be happier. We brought them back to our house after they did a great job on a heavy-up last fall. Bill's team, which consists of Jeremy and Kevin, did a fantastic job with difficult conditions. This job required a lot of planning and problem solving as they tried to move power sources and install junction boxes. They were able to install lights in three locations where they did not exist. At at least one location, they even corrected a serious code error for the one of the boxes. Their work was very clean, which minimized the amount of collateral work needed (whenever you need to fish wire, expect a few dry wall holes to help get the wire where it needs to go). Wherever they cut drywall, they made sure to save the pieces and re-install them in the hole. Jeremy is extremely thorough, and he takes the time to consult us on some of the most important minor details. For example, when we asked to have a wall sconce box re-routed to a ceiling junction box for a chandelier, Jeremy made sure to consult with us on the placement of the box before installation. He also offered great ideas and options on the project. Though a seemingly small gesture, we recognize that lots of technicians might just go ahead and install a box where they think is the right location without seeking any input from the client or providing any advice. I strongly recommend Hyman Electric to friends and family without any reservation, and I will be sure to call them again in the future if I ever have additional electrical needs."
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+6

Response time10 hrs
5 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Elements Of Energy L.L.C.
Elements Of Energy L.L.C.
5.0(
20
)

Serving Colesville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"I had an excellent experience with Kevin. He installed a very large and complex crystal chandelier in our foyer, and the entire process was handled with exceptional professionalism and precision. This was not a simple installation,the chandelier is heavy, intricate, and required careful assembly and mounting at a significant height,but he approached the job with patience, attention to detail, and clear expertise. He took the time to ensure every component was perfectly aligned and secure, and the final result looks absolutely stunning. The installation was done safely, efficiently, and with great care for our home. I would highly recommend him to anyone needing electrical work, especially for challenging or high-end lighting installations. Truly outstanding workmanship."
Kitchen and Bathroom
Fixtures & Ceiling Fans
LED Recessed lights
EV Charging Stations
Switches & Receptacles

+176

Response time1 day
Response rate92%
10 neighbors recently requested a quote
Avatar for D&G Remodeling
D&G Remodeling
5.0(
38
)

Serving Colesville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Warranties offered

"Deybi was super professional and he took the time to explain the electrical system in my old house and recommended the best option. He and his partner also took the time after the work was done to clean up after the work was done and made sure that I was satisfied with the final work. Would definitely hire again!"
Electrical Project
kitchen remodel
VIENNA KITCHEN REMODEL
FORT WASHIMGTON KITCHEN
ALEXANDRIA  BATHROOM RENOVATION

+50

Response time10 hrs
Response rate93%
4 neighbors recently requested a quote
Avatar for OC1 Electric
OC1 Electric
4.6(
51
)

Serving Colesville, MD and surrounding areas

Approved

In business since 2009

Customers say: Quick response

"Oupekkha showed up exactly on time, explained clearly what he was doing, what his annual service contract included and reassured me that our generator is good to go. He even topped off the oil for us. I signed up!"
Response time1 day
Recommended by97%of homeowners
JOHN MAX ELECTRIC
5.0(
22
)

Serving Colesville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Emergency services offered

"The electrical team was professional, knowledgeable, prompt, personable and did an overall wonderful job. They are clearly expert electricians. They cleaned up after they finished the project. I would recommend them highly to my family and friends. As an added plus, they priced their work reasonably."
Electrical Project
Electrical Project
Electrical Project
Response time1 day
4 neighbors recently requested a quote
Recommended by95%of homeowners
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Generator Install questions, answered by experts

If you’re wondering if you can use your electric vehicle as a backup battery, it depends on whether your EV is compatible with bidirectional charging. This technology allows energy to flow both ways, enabling vehicle-to-home (V2H) backup power, vehicle-to-load (V2L) for appliances and camping, and vehicle-to-grid (V2G) to support the power grid. Compatible EVs convert stored DC energy into usable AC power, helping reduce energy costs and enhance grid stability while providing emergency backup power.

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.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

If you’re deciding between a solar battery versus a generator for the best backup power solution, you can take a few factors into consideration. Solar batteries are quiet while generators can be quite loud. Generators have a lower up-front cost, but they require fuel and ongoing maintenance while solar batteries are more expensive but don’t have many ongoing costs.

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

The Colesville, MD homeowners’ guide to generator installs

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