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Avatar for GenShield LLC
GenShield LLC
5.0(
7
)
Fixed Generator - Repair

Serving Damascus, PA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in generator service and repair and provide unmatched customer service! You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!\n

9 neighbors recently requested a quote
Avatar for Thomas Edison Electric
Thomas Edison Electric
New to Angi
Fixed Generator - InstallFixed Generator - Repair

Serving Damascus, PA and surrounding areas

Approved (Corporate)

In business since 2010

Emergency services offered

Warranties offered

Thomas Edison Electric is an award-winning industry leader, serving over 150,000 homes and businesses. Our 24-hour electricians offer timeliness, professionalism, and expertise on big and small projects 365 days a year.\n\nWhether you need emergency electrical services or basic electrical repairs, you're counting on electricity to keep you safe, connected, and warm. When complications threaten your peace of mind, we'll be there to set things right. Because at Thomas Edison, we're not just in the business of electricity — we're in the business of earning "clients for life."

Panel Replacement
Panel Upgrade
Electrical Panel
Outside Meter box
26 neighbors recently requested a quote
BNM Electric
5.0(
5
)
Generator - Install - For Business

Serving Damascus, PA and surrounding areas

In business since 2003

Free estimates

Emergency services offered

"My generator project is still pending delivery and instalation of product.Brian was very thorough with his evaluation of the project, he gave a good recomedation of what was best for the instalation with alternate plans at a very good price.The project isnt completed yet due to backlog at generator company.He was very thorough,and did a great job with the istallation,startup and going over the operation and service of the sytem. I would recommend him in a heartbeat."
Recommended by60%of homeowners
Avatar for Works Services Inc
Works Services Inc
3.6(
187
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Damascus, PA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Carlos and his associates were punctual, thorough, and professional, with only a minor quibble. 
A month and a half after the service was performed, we were finally able to install the garbage disposal - once installed, we discovered that the outlet installed was defective. Every time the switch was flipped, the circuit tripped. 
We called Works Services, and they said they would try to send someone out that evening - nobody arrived, but we didn't think anything of it because it was last minute. We called a couple more times that week, and never received a call back. Luckily my father-in-law is an electrical engineer and was able to help us install a new outlet, so everything works fine now, but that experience was disappointing after the previously stellar service.
"
Bathroom Picture
We restored a 160 year old home and added a 2500 sf addition and detached garage in penington NJ house is amasing Video will be posted to our web site
Recent patio we did in Newtown PA
Recommended by80%of homeowners
Avatar for WLG Electric
WLG Electric
5.0(
1
)
Generator - Install - For Business

Serving Damascus, PA and surrounding areas

In business since 2002

We can take on a wide range of 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.

Project Album
Kitchen Light
Celing Fan Light
Hallway
Project Album

+9

Recommended by100%of homeowners
Showing 1-10 of 22
Generator Install questions, answered by experts

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.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

It might seem counterintuitive, but installing a generator transfer switch will save you money in the long run. While you’ll have to pay between $400 and $2,500 to have the transfer switch installed, you’ll recoup that amount later on when you don’t have to pay for expensive repairs to your appliances, devices, and electrical system that may have burned out, overloaded, or stopped working due to a sudden loss of power or an incorrect hook up of a generator to your home. 

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

The Damascus, PA homeowners’ guide to generator installs

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