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TRUSTED BY UPPER DARBY, PA HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon15
    Verified generator installs reviews

Find Generator install pros in Upper Darby

Avatar for Craig Service Group
Craig Service Group
4.8(
22
)
Fixed Generator - Install

Serving Upper Darby, PA and surrounding areas

Approved

In business since 2015

Emergency services offered

Warranties offered

Craig Service Group specializes in mechanical, electrical, and plumbing installation, repair, and maintenance. Serving residential, commercial, and industrial customers across Southeastern Pennsylvania and New Jersey, we bring decades of hands-on experience to every job.\n\nAs a fully licensed, bonded, and insured business, we treat your property as if it were our own, delivering top-quality workmanship and the personalized attention only a family-run business can provide. At Craig Service Group, our commitment to doing what’s right, standing by our clients, and building lasting relationships is at the heart of everything we do.

HVAC
HVAC
HVAC
HVAC
HVAC

+3

7 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for Deshko Services LLC
Deshko Services LLC
5.0(
7
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+2 more

Serving Upper Darby, PA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"We had personal EV charging station installed by this business' technician. He is very professional, explained all options how to get wires from main electric panel to the other side of the house where it would be convenient for us to charge the car. Provided all required materials and get job done fast and safely, made sure everything works properly."
2 neighbors recently requested a quote
Avatar for WM Henderson Plumbing & Heating
WM Henderson Plumbing & Heating
4.1(
42
)
Fixed Generator - InstallFixed Generator - Repair

Serving Upper Darby, PA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Lee Barnes was very knowledgeable explained all aspects of new hvac system install. And answered all our questions. Provided good options and recommendations based on our requirements. promptly scheduled install on our time line. The installation crew was on time and very professional. They made sure the property was kept clean during and after install."
Henderson tech looking at electrical box
4 neighbors recently requested a quote
Recommended by91%of homeowners
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Generator Install questions, answered by experts

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.

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

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.

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

Yes, in most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home models. Because these installations involve significant alterations to your home's electrical system and produce exhaust fumes, local governments often require a permit or inspection for safety purposes. A generator permit typically costs between $50 and $250, depending on your location. Your electrician or certified installer can usually handle the permitting process for you, but you will be responsible for the cost. It's a good practice to confirm with your installer that they will pull all necessary permits before work begins.

The Upper Darby, PA homeowners’ guide to generator installs

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