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TRUSTED BY FREDERICK, MD HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon17
    Verified generator installs reviews

Find Generator install pros in Frederick

Avatar for SciFiHomes Inc
SciFiHomes Inc
5.0(
27
)

Serving Frederick, MD and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"The guys arrived exactly at the prearranged time. They informed me that the work would take longer than the '2 man hours' that I bought through the Angie's List Deals before they began the job - which I appreciated.  They were on task and professional the whole time. They explained any problems they encountered while re-installing the old light fixture - need new bulbs.  They cleaned up any mess they made at the end of the job. Rates and cost of supplies were reasonable.  I WILL BE CALLING THEM BACK FOR ANY OTHER ELECTRICAL WORK IN THE FUTURE.
"
Cummins Onan 400A ATS
Cummins Onan 20kW
Briggs & STratton Standby Generator
Response time9 hrs
8 neighbors recently requested a quote
Recommended by100%of homeowners
Long Electric, LLC
4.9(
167
)

Serving Frederick, 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
7 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Tim Kyle Electric Heating & Cooling
Tim Kyle Electric Heating & Cooling
4.9(
369
)

Serving Frederick, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Emergency services offered

Warranties offered

"Time Kyle electric sent an extremely proficient technician to my house. Justin and the other technician (sorry I can't recall his name) where professional, friendly and best of all fixed my electrical issues so I can have lighting in my bathrooms and hallway. They explained to me what needed to be done and were able to reroute the wiring for success. I am extremely happy and the technicians are awesome."
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+17

Response time1 day
Response rate95%
14 neighbors recently requested a quote
Avatar for GAC Services
GAC Services
4.8(
292
)

Serving Frederick, 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."
Additional Photos
61 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Rollins Repair
Rollins Repair
4.7(
56
)

Serving Frederick, MD and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"Mr. James Rollins was exceptional. Had an issue that came up last year with my Generac generator and he was quick to respond but I was not able to be as fast. Power came back on so I didn't follow up. Generator hasn't worked and was worried about a power outage, so I reached back out. He came out on the same day, diagnosed my issue in a minute, and fixed it. His work was outstanding and I can understand why he is so busy. Everyone wants Rollins Repair. If you can get him, I would ask James Rollins to help you."
 Air Cooled Generator
 30KW Quitesoure
 Residential Installation
 20KW Air Cooled
 Another Residential Installation

+6

Response time9 hrs
3 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Ryan Electric
Ryan Electric
4.6(
10
)

Serving Frederick, MD and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

We are 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 our customers' interests, and make their concerns the basis of our business.

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Project
Project
33 neighbors recently requested a quote
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Generator Install questions, answered by experts

In Frederick, signs that generator installation may need to be redone include visible rust or corrosion on backup generator terminals, especially after humid summers or heavy rainfall. If you notice the generator vibrating excessively, producing louder-than-normal noise, or failing to start reliably during outages, it’s worth a professional review. Placement too close to living spaces or missing weatherproofing are also red flags for homeowners in Frederick.

Helpful?

After generator installation in Frederick, schedule any required inspections and inform your utility provider of the new backup power system. Test the automatic transfer switch weekly and inspect for debris or drainage issues around the unit. Maintain a monthly test run, change oil every six months, and arrange for annual professional servicing. Register your warranty, update your insurance, and confirm compliance with local noise ordinances.

Helpful?

In Frederick, older homes or those in historic districts often have outdated electrical panels or tight property lines, which can complicate standby generator installation. Homes on steep slopes, near flood-prone creeks, or with dense landscaping may require custom solutions for safe placement. Limited access to natural gas lines or overhead utility wires can also mean alternative fuel sources or creative routing for backup power connections.

Helpful?

Frederick homeowners are increasingly choosing whole-house standby generators with smart monitoring features for real-time alerts. Automatic transfer switches and load management systems are common for seamless power transitions. Many opt for sound-reducing enclosures and discreet placement behind native landscaping. Concrete pads with decorative edging are popular for both stability and curb appeal, especially in neighborhoods with strict HOA guidelines.

Helpful?

If you’ve experienced frequent power outages, rely on well pumps, or use medical equipment at home in Frederick, it’s a good time to consider generator installation. Many residents plan projects before summer thunderstorms or winter ice storms. Noticeable increases in power interruptions, new construction nearby, or the need for reliable backup power for remote work are also strong indicators to schedule an installation.

Helpful?

The Frederick, MD homeowners’ guide to generator installs

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