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Avatar for Loyal Lab Electric & Generators
Loyal Lab Electric & Generators
5.0(
5
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Brookfield, NH 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

20 neighbors recently requested a quote
Avatar for LaPlante Electric, Inc.
LaPlante Electric, Inc.
4.4(
71
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Brookfield, NH and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"LaPlante's customer service was excellent. The contractors who came to install my generator were efficient, expert, and very willing to offer complete explanations as to what they were doing. I would recommend LaPlante any time."
Whole House Generac Generator 22 Kilowatt (KW)
Top View of a 22 Kilowatt (KW) Generac Generator
Internals of 22 Kilowatt (KW) Generac Generator
Back of 22 Kilowatt (KW) Generac Generator
200 AMP Whole House Transfer Switch

+8

Response time3 days
64 neighbors recently requested a quote
Recommended by98%of homeowners
Angell Electric
5.0(
19
)
Portable Generator - Install

Serving Brookfield, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Small jobs welcome

"We were very happy with the work.Eric was easy to work with. He installed a new 220 circuit and was able to fish it though the walls harmlessly whereas other electricians we talk with were going to tear up the drywall. Pricing was very reasonable. Highly recommend."
Response time2 days
9 neighbors recently requested a quote
Recommended by29%of homeowners
Avatar for PRIME SINE ELECTRIC, LLC
PRIME SINE ELECTRIC, LLC
5.0(
8
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Brookfield, NH and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

"I hired Prime Sine Electric LLC for a complete new electrical service and wiring on our 1937 home when purchased. It was in need of a complete gut-job. Spence did an amazing job bringing it up to today's standards. I mean, totally amazing transformation. Spence was professional the entire time through the quote process, customer service and final completion. He listened to our needs and gave input and helped us with planning the electrical needs of this old house. We can't recommend Spence enough and would hire him again in an instant."
19 neighbors recently requested a quote
Avatar for Brens Electric LLC
Brens Electric LLC
5.0(
1
)
Generator - Install - For BusinessPortable Generator - Install

Serving Brookfield, NH and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

We bring years of proven experience and a strong work ethic to every project we undertake. As a fully licensed and insured electrical contractor, we combine technical expertise, attention to detail, and strict compliance with all applicable electrical codes and safety standards. Our work is performed with professionalism, precision, and accountability. Whether managing complex electrical systems or providing routine maintenance, every task is completed with a focus on quality, reliability, and long-term performance. Our goal is to build lasting relationships built on trust, consistency, and exceptional service.\n

800A Service Upgrade
800A Service Upgrade
6 neighbors recently requested a quote
Avatar for Direct Electric, LLC
Direct Electric, LLC
5.0(
2
)
Generator - Install - For Business

Serving Brookfield, NH and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

"Owner Myles is very professional and easy to work with. He was quick to respond to any of my questions and communications. You can tell he has been in the commercial electrical space for a considerable amount of time. I highly recommend him and his team at Direct Electric."
LED Lighting
LED Lighting
LED Lighting
LED Lighting
LED Lighting

+24

Response time3 hrs
Response rate91%
2 neighbors recently requested a quote
Showing 1-10 of 44
Generator Install questions, answered by experts

A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a whole-home generator instead.

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

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.

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.

The Brookfield, NH homeowners’ guide to generator installs

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