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Avatar for Generator Supercenter of New Hampshire
Generator Supercenter of New Hampshire
5.0(
15
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+2 more

Serving Wells, ME and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Everyone should buy a generator from the Generator Supercenter of NH. Everything was seamless, from the sales visit to the installation. Their professional crews exceeded all expectations. I would highly recommend them."
Completed 22kW Generac Standby Home Generator Installation -  With GenMon MobileLink installed, our 24/7 monitoring program which includes annual maintenance!
Automatic Transfer Switch Installed - shown on the left with the customers electrical panel on the right.
Additional Photos
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+5

Response time3 days
Response rate100%
8 neighbors recently requested a quote
Avatar for Generator Supercenter of Maine
Generator Supercenter of Maine
4.6(
39
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Wells, ME and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Drew and the entire crew made this experience seamless. The installers were polite, friendly, competent and and tidy. The pre and post support was fantastic, the expectations around logistics, installation timing and ongoing service support was spot on. These guys are pros and the solution cost was clearly the best in my search for authorized service providers of Generac generators. Hire them you won't go wrong. Vin M Dover NH"
Generator Install
18KW Installation
Preparation for the day
Photos
Response time2 days
Response rate100%
94 neighbors recently requested a quote
Avatar for Loyal Lab Electric & Generators
Loyal Lab Electric & Generators
5.0(
5
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Wells, ME and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Loyal Lab Electric & Generators is a locally owned electrical contractor serving Dover, Portsmouth, Rochester, and the NH Seacoast from our base in Somersworth, NH. Owner and NH Master Electrician Eric Hope has been in the trade since 2008 and founded this company in 2018. \n\nWe are an authorized Generac dealer with certified service technician's on staff, specializing in whole-home generator installation, electrical panel upgrades, EV charger installation, and electrical repairs. We serve residential customers across the NH Seacoast and southern Maine. NH Master Electrician License 13956. \n\nEvery job we complete donates to The Rusty Fund, supporting local dog rescues through our partnership with Pope Memorial Humane Society in Dover.

Past Projects
Past Projects
Past Projects
Past Projects
Past Projects

+13

24 neighbors recently requested a quote
RGS Electric, Inc.
4.7(
117
)
Portable Generator - Install

Serving Wells, ME and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Small jobs welcome

"Roy and his team did a great job! They are professional, timely, thorough, and have an eye for detail. We bought a house that had a butchered, antiquated electrical system that was unsafe and chaotic. Roy and his team stepped in and not only sorted out the mess but put in its place a state-of-the-art electrical system that has been greatly simplified, and made safe and convenient (Roy spent time walking through the house with me talking through placement of switches and other features that ensured we had light in all the right places and flows perfectly with day-to-day use). Hire RGS, you'll be glad you did!"
Response time2 days
9 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Moses Electric Inc
Moses Electric Inc
5.0(
11
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Wells, ME and surrounding areas

Approved

In business since 2011

Emergency services offered

Customers say: True professional

"Scott was amazing ! He is professional, punctual, and precise in his work! He has done both outdoor and indoor electrical installations and we know that he is a master electrician that we can trust and count on to perform outstanding work. We are thrilled to have him as a professional that we can depend to do a marvelous job! We recommend him unconditionally!"
Additional Photos
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+1

Response time5 hrs
Response rate100%
12 neighbors recently requested a quote
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Generator Install questions, answered by experts

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

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.

Whole-house generators can run continuously for extended periods, even for weeks at a time (around 400 to 500 hours), as long as they have a sufficient fuel supply. However, this type of extensive use will increase wear and tear and can shorten the generator's overall lifespan. During long periods of operation, it's important to check and refill the engine oil as needed, potentially as frequently as daily depending on the model. If your generator uses a fuel tank, ensure it is kept full to prevent unexpected shutdowns.

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

The Wells, ME homeowners’ guide to generator installs

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