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TRUSTED BY OLNEY, MD HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon25
    Verified generator installs reviews

Find Generator install pros in Olney

Long Electric, LLC
4.9(
167
)

Serving Olney, 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 Olney, 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 Vital Electric
Vital Electric
5.0(
42
)

Serving Olney, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Excellent job . Ludwing arrived on time and worked for 6 hours to complete the installation. He went beyond to solve some part issues . I would highly recommend him ."
Natural history museum
Island light
Island light
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+8

Response time6 hrs
Response rate95%
Recommended by61%of homeowners
Avatar for GAC Services
GAC Services
4.8(
291
)

Serving Olney, 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 Olney, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1980

Free estimates

Warranties offered

"Jeremy and his apprentice Kevin did an outstanding job. They were thorough, professional, polite, and explained the work being done throughout the job. Our house's electrical system was over 60 years old and not up to code or safe. Our fuse box was replaced with a new panel and breakers. The Pepco inspector remarked that Hyman's installation was one of the best installations that he has ever inspected. All of our outlets and switches were updated to meet code. The team found and resolved several problems that were serious safety issues. Our kitchen was upgraded so we could operate appliances without overloading the system. A line was installed to operate our air conditioner condensate pump directly and not from an extension cord. This was an expensive project and I know that I received the best service possible. I am very grateful to William Hyman Electrical for making our home safe."
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+6

Response time10 hrs
5 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for D&G Remodeling
D&G Remodeling
5.0(
38
)

Serving Olney, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Warranties offered

"Since day one, Deybi and his crew have been able to solve any electrical problems I've had and provide efficient and effective solutions at a proactive level, long term result. First time working with them was due to our previous preferred electrical contractor failing to help with complex electrical problems at a commercial space (office space), so after some looking we found DBG Electric. They were able to help with setting up light switch wiring, installing cubicle receptacles and replacing fluorescent light ballast along with breakers. At another commercial site, we needed help with installation of power packs, emergency lights and flood lights. All of these were installed in a high ceiling area, which was no problem for DBG. They've also helped with lighting a my personal residence, ranging from kitchen light replaced with LEDs to recess lighting needed in the basement. I highly recommend using them, specially with difficult projects that require some ingenuity."
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
Green's Electric
5.0(
16
)

Serving Olney, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

"It went great! Professional, quick to call and discuss the request. What I like the most was their genuine interest in helping me fast. They gave me an estimate the same day and the job was performed in less than 48 hours. I would definitely hire Green Electric for my future requirements. Thanks Mr. Darnell!"
Response time1 day
25 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Rollins Repair
Rollins Repair
4.7(
56
)

Serving Olney, MD and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"Our existing generator died. James diagnosed the problem and gave us a few options to repair or replace it. We chose to replace it. James handled everything, from getting and installing the new generator to electrical and fuel (propane) connections. We have asked him to schedule us for the annual maintenance on the machine. We are pleased, though we haven't lost power since it was installed, LOL."
 Air Cooled Generator
 30KW Quitesoure
 Residential Installation
 20KW Air Cooled
 Another Residential Installation

+6

Response time9 hrs
1 neighbors recently requested a quote
Recommended by97%of homeowners
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Showing 1-10 of 590
Generator Install questions, answered by experts

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.

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 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.

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

Homeowners can often access federal tax credits, such as the Investment Tax Credit (ITC), which covers a percentage of installation costs. Many states and utilities offer additional rebates, grants, or performance-based incentives. These programs can significantly lower your upfront investment. Check the Database of State Incentives for Renewables and Efficiency (DSIRE) or contact your local energy office for current offers.

The Olney, MD homeowners’ guide to generator installs

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