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Avatar for JP McCurdy Electrical Services Inc
JP McCurdy Electrical Services Inc
4.4(
529
)
Fixed Generator - Install

Serving Lynnfield, MA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"We highly recommend J.P. McCurdy Electrical Services. We hired this exceptional shop to replace all the old knob and tube wiring (along with switching out a number of light fixtures and installing several ceiling fans) in our 120-year-old Victorian home – a challenging job that a couple of other electricians didn’t feel confident undertaking. Owner Jack McCurdy personally came to size up the job and give us a detailed estimate, and his professionalism, courtesy and extensive knowledge sold us. What was originally thought to be a two-week job was finished in six working days as foreman Joe Costain efficiently deployed his crew and brought in a second crew on a few days to expedite the work. Joe was great at communicating what kind of activity we could expect day-to-day, especially as both my wife and I are working from home fulltime during the COVID pandemic. He and the crew checked in frequently on our preferences, minimized the number of holes in the ceilings and walls (including avoiding harming our wallpaper in a couple of rooms altogether), and cleaned up well at the end of every day. Jack’s estimate was competitive and the final accounting accurately included the additions and subtractions we agreed to during the job. We feel so much better that we’ve finally eliminated the risky knob and tube wiring and updated the entire house’s electrical system. McCurdy is a full-service shop that does all kinds of electrical work – if you want a trustworthy and capable electrician, give Jack a call!"
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+9

Response time12 hrs
3 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Jose Baez
Jose Baez
5.0(
25
)
Fixed Generator - Install

Serving Lynnfield, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Warranties offered

"I had called Jose about installing some ceiling lights and new switches… he was able to come out the next day and worked with my wife’s and I schedule and got the job done in a timely and professional manner. Couldn’t even tell he did work on the house very clean and neat.. once again thanks you"
kitchen lights
pool house lights
pool house
service upgrade
Response time7 hrs
Response rate99%
2 neighbors recently requested a quote
Avatar for Moses Electric Inc
Moses Electric Inc
5.0(
11
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Lynnfield, MA and surrounding areas

Approved

In business since 2011

Emergency services offered

Customers say: True professional

"Scott did an excellent job for us. We needed an EV charger installed and a few other things done. He came by, sized up the job and gave us an estimate. In a few days he showed up ready work. He installed the EV charger, re[laced 4 thrmostats, and fixed a doorbell. All went well. His price was reasonable. He worked quickly and efficiently and got everytjing right the first time. I highly recommenr Moses Electric and would glady hire Scott for future electrical jobs."
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+1

Response time5 hrs
Response rate100%
6 neighbors recently requested a quote
Avatar for Stevens Electric, LLC
Stevens Electric, LLC
5.0(
12
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Lynnfield, MA and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quality work

"Stevens Electric contacted me early in the morning, were at my house my house by 11:00 and my electrical issue was resolved by 11:30. They were polite and even put shoe covers on so as not to track mud in the house. Fantastic experience. I highly recommend them."
Response time8 hrs
Response rate87%
10 neighbors recently requested a quote
Avatar for J M Electrical Company, Inc.
J M Electrical Company, Inc.
5.0(
4
)
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Lynnfield, MA and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

With 35+ years of experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

Response time9 hrs
Response rate97%
11 neighbors recently requested a quote
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Generator Install questions, answered by experts

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.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

In most cases, there are no tax credits available for home generators. However, that’s a general statement that applies to federal tax credits, so you might have access to state or local tax incentives. You can check the Database of State Incentives for Renewables & Efficiency (DSIRE) for more information about your area. If you hire a reliable home generator installer, they should also know if there are any state or local perks you can use to reduce your installation costs, including tax breaks and rebates.

The Lynnfield, MA homeowners’ guide to generator installs

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