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Top-Rated Generator install pros in Hermitage - Updated Nov 2026

Avatar for Stonehouse Electric and Maintenance
Stonehouse Electric and Maintenance
4.7(
15
)
Fixed Generator - InstallPortable Generator - Install

Serving Hermitage, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"It was nice working with Stonehouse Electric. It was a pretty big project as the entire house needed rewired. Being able to hit the "easy button" and have them come in and do everything took a lot off of my plate. On bigger projects, it is easy to have misunderstandings or changes along the way. Whenever this did happen, they were quick to step in and fix things and make it right at every turn. I would definitely do business with them again."
Country Cottage Rewire
LedMo 200 watt shoebox light on the peak of the building
Electrical Project
Whole Home Redevice, Lighting Upgrades
Surge Protection, Interlock Wiring.

+68

29 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Enertech Electrical, Inc.
Enertech Electrical, Inc.
New to Angi
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Hermitage, PA and surrounding areas

Approved

In business since 1981

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time10 mins
Green Acres Outdoor Services, LLC
New to Angi
Portable Generator - Repair

Serving Hermitage, PA and surrounding areas

Approved

Free estimates

Small jobs welcome

Offers commercial services

Hi my name is Tyler Kissling (27) I am the owner of Green Acres Outdoor Services LLC. I am looking for new contracts for the 2027 season. I have dipped my feet into lots of different types of jobs over the last 10 years and I’m ready to get to work. Weather you are wanting your lawn mowed by Someone who genuinely cares about what it looks like to designing new landscaping to make your house pop out in your neighborhood. Call me to get to work

1 neighbors recently requested a quote
Avatar for Gravatt Glass & Electric
Gravatt Glass & Electric
5.0(
50
)
Fixed Generator - Install

Serving Hermitage, PA and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"Gary came on Saturday to repair our generator. He was excellent on his knowledge of Generac generators. We really are impressed by his excellent work quality. Very thankful to him for coming on his off hours."
20 kw Generator - Pitts.
 14 kw Generator - Pitts.
 Customer with 8kW - Butler, PA
 20 kw - Conway, PA
 Our Work Van

+8

Recommended by100%of homeowners
Avatar for Good's Electric, Heating & Air
Good's Electric, Heating & Air
4.3(
108
)
Fixed Generator - Install

Serving Hermitage, PA and surrounding areas

In business since 2001

Small jobs welcome

Credit card accepted

"I had a power outage in the back of my house that has two refrigerators. I called to electrical contractors in Warren. The first one I left a voice mail then called the emergency number and left a message there. After about an hour I didn't hear from him so I called the next number I had and left a message he called back a little while later told him what I had and he tried to blow it off to the electric company. I had tried to see what the problem was myself when I got to the point I didn't know what was wrong. I went to Angie's List then Home Advisor. Fifteen minutes later I get a call from Good's. I told her what I had and we scheduled the appointment. The tech called me on the morning of the appointment and said he was on his way. When he arrived I told what I had and what I did. He looked at my panel and said it was an old one which I knew because its the same panel that's been there since I was a kid. He said he could get me going again and he'd give a couple of options on what I could do. He told me that I was going to have to replace that old panel because if I decided to sell the house I'd have to bring it up to code. I had a choice of replacing everything from the top of the house to the panel in the basement which included putting the wiring in conduit or not. I chose to have the wiring in conduit replacing the meter box and the breaker panel box. We scheduled the appointment and that morning he called to tell me he was on the way. When he got there he and his partner went right to work taking out the old wiring the meter box and old panel out. They replaced everything including putting conduit up for the wiring and a new 100 amp panel. I have to tell you that the only way you know they have been here is because of the new equipment they installed because they cleaned up all the old equipment and hauled it away. I am very appreciative of the customer service and professionalism I was shown by the techs. I will be using them from now on and recommend them to anyone who needs electrical heating or AC work. I can't say enough good things about them."
Furnace Installation
Furnace Installation
Electrical Panel Upgrade
Electrical Panel Upgrade
Electrical Panel Upgrade

+12

Response time10 mins
Recommended by91%of homeowners
Avatar for CCC Electric
CCC Electric
4.6(
15
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Hermitage, PA and surrounding areas

In business since 2015

Emergency services offered

Credit card accepted

"Andrea came out to give an estimate and 30 minutes later she had everything done! The price was extremely reasonable and Andrea was wonderful! She saved us from having a house fire. We have other projects to be done in the future and I definitely will call her. She’s the best!"
Recommended by86%of homeowners
Showing 1-10 of 40
Generator Install FAQs, answered by experts

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

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.

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

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.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

The Hermitage, PA homeowners’ guide to generator installs

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