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  • Verified reviews icon15
    Verified generator installs reviews

Find Generator install pros in Harmans

Avatar for All In Electric
All In Electric
4.8(
32
)

Serving Harmans, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Emergency services offered

"Keith and the team at All In Electric are extremely professional and Keith is always fast to respond. When we first moved into our house, Keith came and talked through some of my plans for my living room to remove a ceiling fan, install some recessed lighting, install an outlet in the ceiling for the projector, pull through an HDMI cable from the projector to the entertainment center, and add an additional switch to separate out the lights on my staircase from the lights in my living room (a recommendation that I hadn't even thought of but Keith recommended and I'm glad he did!). When I was getting this job quoted out, some of the others who I had called either just gave me numbers over the phone or didn't even prepare a quote, and this was before Covid. While this wasn't a huge job, it spoke a lot about Keith's professionalism and the quality I could expect from him and his team. Fast-forward to the last couple of days and I had purchased a video doorbell knowing that I had issues with my doorbell since we moved in, but we didn't really mind not having the doorbell ring. I tried several things myself and was at an impasse, so I reached out to Keith to see if I could get someone from his team out to take a look, give me a quote, and/or fix this issue. Upon telling Keith of the issue, he mentioned that it sounded like the transformer had gone bad. I let him know that I had actually just replaced that transformer and he was very prompt to respond and even mentioned a few other things that it could be, as not all doorbell wiring is the same. Based on what he mentioned, I was able to determine that it was in fact the chime that had gone bad and the power was not making it to the front door button because the chime had gone bad. Needless to say, I 100% recommend Keith and his team for any of your electrical needs and I will continue to call Keith for all of mine."
(2) Automatic Transfer Switches next to the (2) main electrical panels.
Here is a 22kw Generac Standby Generator.
A 24kw Guardian Series Generac generator sitting on top of a 3" concrete pad.
The RED light will turn GREEN after AIE activates in through Generac.
Whole House Standby Generator System

+51

Response time1 day
12 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for GAC Services
GAC Services
4.8(
291
)

Serving Harmans, 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 Chesapeake Electric
Chesapeake Electric
4.7(
75
)

Serving Harmans, MD and surrounding areas

Approved

In business since 2014

Emergency services offered

Warranties offered

"The two service men who came to complete our "electrician for a day" deal where just flat out awesome. We gave them a fairly long list of items that we wanted done that was quite varied in nature (replacing electrical outlets, installing dimmer switches, exhaust fan timers, re-wiring a light switch, installing a light fixture, installing TV on the wall, and more). They worked through the list quickly and efficiently, explained things about our electrical system along the way (which was very helpful) and were exceptionally courteous and professional. They also worked very well as a team, dividing and conquering all of the items on our list. Recommend them without reservation."
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+5

11 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Clinton Electric Co Inc
Clinton Electric Co Inc
4.6(
172
)

Serving Harmans, MD and surrounding areas

Approved

In business since 1969

Emergency services offered

Warranties offered

"Great. Very easy to deal with. Professional. They answered right away, scheduled, emailed me the forms. Set up a quick appointment. Everything went very well. I will be using them moving forward for my periodic generator maintenance."
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+2

Response time1 day
Response rate92%
6 neighbors recently requested a quote
Avatar for Wolf Electric LLC
Wolf Electric LLC
5.0(
97
)

Serving Harmans, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"Alex is awesome, he upgraded or panel with a surge protector, installed recessed lighting, dimmer switches and installed panels behind our TV for a wireless look. He installed new ceiling fans, and a new dining room light fixture. He got the project done on time and its better than we hoped. His pricing was much better than the competition too!"
Response time6 hrs
1 neighbors recently requested a quote
Recommended by2%of homeowners
Avatar for WireFox Electric
WireFox Electric
4.9(
15
)

Serving Harmans, MD and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Ted was polite, professional, timely, and respectful of my home. He protected areas where he had to make a little mess, consulted with me on where he had to drill holes, and cleaned up impeccably afterward. Ted installed an EV Charger in my garage and even helped me ensure I purchased the correct type. He was also very knowledgeable about rebate filings and the advantages of installing one in your home. I'm already looking at a few other projects for Ted to complete. I would highly recommend his company. I'm sure you will receive excellent customer service as I did."
During Install - wide view
During installation
JuiceBox Gen 2 Car Charger / EVSE
Receptacle with conduit
Installation of Conduit

+6

Response time4 hrs
Response rate89%
Recommended by100%of homeowners
Avatar for Haas and Sons Electric Inc
Haas and Sons Electric Inc
4.8(
128
)

Serving Harmans, MD and surrounding areas

Approved

In business since 2016

Warranties offered

Credit card accepted

"Michael assessed the situation (45 year old lamp) and gave me several options to fix. I choose one option then asked about replacing the top light fixture. He agrred to keep the price quoted and install the new top. Came back (after I purchased the new top) and fixed all."
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+8

Response time1 day
Response rate100%
7 neighbors recently requested a quote
Avatar for Duke's Electrical Services, Inc.
Duke's Electrical Services, Inc.
4.9(
309
)

Serving Harmans, MD and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"We hired Duke Electric for multiple projects to update an older house. Mark was very professional and knowledgeable and was able to accomplish all the projects that we needed. We used him first for a quick project (fix circuit breaker that fried) and then a larger project to upgrade outside and inside lights, and move fans and overhead lights. He does it all. I have already recommended him to other people."
Recess light install
Recess and fan install
Recommended by91%of homeowners
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Generator Install questions, answered by experts

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500–$2,000

  • Partial-Home Generators (9kW–20kW): $2,000–$6,500

  • Whole-House Generators (22kW–48kW): $5,000–$18,000

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

Costs depend on generator type, labor, and additional wiring or transfer switch requirements.

A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the total wattage of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

The Harmans, MD homeowners’ guide to generator installs

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