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TRUSTED BY BEDFORD, MA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon36
    Verified generator installs reviews

Find Generator install pros in Bedford

Harland Electric Inc
4.9(
137
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Bedford, MA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Bill walked me through checking the outlet and circuits. We solved the problem with no service call needed. Harland has been my electrician since the early 2000's. They have completed many projects/repairs small and large (full panel replacement after water damage to installing a exterior spotlight). Staff answering calls is pleasant and professional, Bill gets back to customers usually the same day."
Additional Photos
Response time2 days
3 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for VMA Electric Inc
VMA Electric Inc
4.8(
466
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Bedford, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"From the office folks to the electrician who did the work -- friendly and professional. They quoted the lowest price of three estimates and did the work within a couple of weeks. I purchased my generator elsewhere online... and VMA walked me thru the process of hooking it up, running it, and shutting it down. Very helpful."
Needham Project
22kw Generac
27kw
Response time8 hrs
Response rate100%
19 neighbors recently requested a quote
Avatar for Jose Baez
Jose Baez
5.0(
25
)
Fixed Generator - Install

Serving Bedford, 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 Wilson Brothers Heating & Air Conditioning Inc
Wilson Brothers Heating & Air Conditioning Inc
4.5(
160
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+2 more

Serving Bedford, MA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"EXCELLENT Wilson Bros. recently installed a second zone A/C unit in our house. In a nutshell, from initial call and sales/estimator Paul coming out to final clean up I've never been more pleased with a contractor and work accomplished. Everyone showed up on time as scheduled, Al & Cliff were outstanding at their installation work, and keeping me updated and involved on schedule and various options and layout necessities. I'm very particular, need to know what and why things are happening, and everyone was great to work with. Can't recommend them highly enough."
Three of the five heads are marked by the numbers in the blue circle. On the inside of the house is where you will find the mounted units. The slim ducts run alongside the white arrows and will eventually be covered to match the exterior of the house.
The slim ducts in the basement ceiling that connect from the branch box all the way to the 5 different heating and cooling units. These will be covered by the ceiling tiles once the job is finished.
4 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Michael J Roberts
Michael J Roberts
5.0(
11
)
Fixed Generator - InstallPortable Generator - Install

Serving Bedford, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Emergency services offered

"Michael came to my house and upgraded my 100 amp panel to a 200 amp panel for my solar installation project I had coming up. He was very thorough in explaining all the work that needed to be done, how long I would be without power, and was very knowledgeable in all of the questions I had. After removing my service and replacing it with the new 200 amp, he went through the entire house and checked what each breaker was wired to and marked it inside my panel very neat and organized. Couldn’t be happier with the experience from start to finish. If you need any work done to your home I highly recommend Mike and I will definitely be contacting him in the future if I ever need any other work done. Thanks Mike!!!"
House remodel
House remodel
House remodel
Hot tub
House remodel

+5

Response time8 hrs
Response rate94%
20 neighbors recently requested a quote
Richard Bagni
4.5(
10
)
Fixed Generator - Install

Serving Bedford, MA and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quality work

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

Response time8 hrs
4 neighbors recently requested a quote
Recommended by88%of homeowners
Empower Electric LLC
5.0(
8
)
Fixed Generator - Install

Serving Bedford, MA and surrounding areas

Approved

In business since 2017

Free estimates

Offers commercial services

"Professional and respectful of my home, Empower Electrician’s did an amazing job adding 24 recessed lights, hanging centerpiece lights laser perfect and placing additional power outlets where I needed them. They were perfectionists with every task! I would recommend Empower!"
Response time9 hrs
Response rate93%
6 neighbors recently requested a quote
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Showing 1-10 of 156
Generator Install questions, answered by experts

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

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.

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

Carbon monoxide emissions aren’t only dangerous to human life, but they also harm our planet. While natural gas generators emit lower levels of CO than other fuel sources, there are still ways to reduce emission levels. For example, shop around for an eco-friendly generator that complies with current emission standards. Also, make sure your generator is serviced regularly to avoid CO buildup. 

The Bedford, MA homeowners’ guide to generator installs

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