Whole house generator installers in Pennsylvania
Power, cost, permits & sizing ↓Pennsylvania
Location:
Company name:
173 Pennsylvania companies install and service home standby generators, including 58 generator specialists and factory-authorized dealers. Company and brand details come from each company's own website — for warranty work, confirm current dealer status with the manufacturer directly.
173 companies
Generator specialists (13)
All Power Generator (A Lightning Technologies Company) Generator specialist
Backup Power LLC Generator specialist
Bucks County Generator Solutions Generator specialist
Colonial Generators Generator specialist
DMS Generator Service Generator specialist
Henry's Generator Service Generator specialist
Mid-Atlantic Generators Generator specialist
Power Watch Systems Generator specialist
Powerton Generators Generator specialist
PRO-GEN Services LLC Generator specialist
RC WATT Generator specialist
Scott's Emergency Power & Lighting Generator specialist
Winter Engine - Generator Service, Inc. Generator specialist
Electrical contractors that install generators (74)
2 Live Wires Electrical contractor
Accent Electric, Ltd. Electrical contractor
Alba Electric And Remodel Inc. Electrical contractor
All Star Electrical Services, LLC Electrical contractor
Arcolyte Electrical contractor
Augustin Electric Electrical contractor
Bee-Lectric Electrical contractor
BG Electric Service LLC Electrical contractor
Bill Mullen Electric, LLC Electrical contractor
Bitner Electric Electrical contractor
Brandon Electric, Inc. Electrical contractor
Brooks Electric Electrical contractor
Bruder Electric, Inc Electrical contractor
C.I. Electrical Contractors Electrical contractor
Calvary Electric LLC Electrical contractor
Capricorn Electric Electrical contractor
Chadds Ford Climate Control Electrical contractor
City Wide Electric LLC Electrical contractor
Clear Electric, LLC Electrical contractor
Crosswyre Electric Electrical contractor
CSH Electrical Contracting Electrical contractor
CTS Electric, LLC Electrical contractor
Daniel's Custom Building & Renovations Electrical contractor
Electrical & Mechanical Systems, Inc. (EMSI) Electrical contractor
Energized Electric LLC Electrical contractor
Engles & Fahs Inc. Electrical contractor
Envy Electrical LLC Electrical contractor
Estevez Electric LLC Electrical contractor
Glen L. Myers Inc. Electrical contractor
Golden Electrical Service Electrical contractor
Grace Electric & Services Electrical contractor
Grim Electric LLC Electrical contractor
Hilbrich Electric JE Inc Electrical contractor
Icon Electrical Solutions Electrical contractor
Iddings Electric Electrical contractor
J. Thomas Electric, LLC Electrical contractor
Jenkintown Electricity Electrical contractor
JH Electrical Contracting Electrical contractor
John Burke Electric LLC Electrical contractor
Jures Electrical Electrical contractor
King Electric Service Electrical contractor
Knupp Electric Inc. Electrical contractor
Kunselman Electric Inc Electrical contractor
Lapp Electric Electrical contractor
Lengyel Electric Electrical contractor
Lucas Electric Inc Electrical contractor
Magawatt Electrical Services Electrical contractor
Maitz Home Services Electrical contractor
Mark R. Tobey Electric Electrical contractor
Mark West Electric LLC Electrical contractor
Married2Electric Electrical contractor
Mattlin Electric Electrical contractor
McHales Electrical contractor
Miller Electric LTD of PA Electrical contractor
MK Electrical Contractor LLC Electrical contractor
MK3 Electrical Electrical contractor
Northern Electrical Electrical contractor
Parra Electric Electrical contractor
Phase One Electric Electrical contractor
Positive Wiring Electrical & Structured Cabling, LLC Electrical contractor
Prolux Electrical Solutions Inc Electrical contractor
R.G. Hoffman Electrical Contractors Electrical contractor
Ramos Electric Electrical contractor
Revival Electric Electrical contractor
RoadRunner Electric Electrical contractor
Shackelfords Electrical Contractors Electrical contractor
Sparkwood Electric Electrical contractor
Spartan Electrical Electrical contractor
Statts Electric Electrical contractor
Steve Waldman Electric Inc Electrical contractor
Stoneking Electric Electrical contractor
Thomas Edison Electric Electrical contractor
V.L.D. Electric Electrical contractor
WM Henderson (Henderson Plumbing, Heating & Cooling) Electrical contractor
HVAC & plumbing contractors that install generators (41)
Advanced Comfort Specialists HVAC / plumbing contractor
Aero Energy HVAC / plumbing contractor
Andreas Plumbing, Heating & Air Conditioning HVAC / plumbing contractor
B&L Ott Heating & Air Conditioning HVAC / plumbing contractor
Boehmer Heating & Cooling HVAC / plumbing contractor
Brian's Heating, Electric & A/C HVAC / plumbing contractor
Brubaker Inc HVAC / plumbing contractor
Calfo Home Services HVAC / plumbing contractor
Carney All Seasons HVAC / plumbing contractor
Countryside Fuel & LP Gas HVAC / plumbing contractor
Curtis Total Service HVAC / plumbing contractor
Deiter Bros. Heating Cooling Energy HVAC / plumbing contractor
E.F. Laudenslager, Inc. HVAC / plumbing contractor
Earl Weaver Contractors LLC HVAC / plumbing contractor
Haller Enterprises HVAC / plumbing contractor
Handyside Plumbing, HVAC & Electrical HVAC / plumbing contractor
Hannabery HVAC HVAC / plumbing contractor
Harris Comfort HVAC / plumbing contractor
HB McClure Company HVAC / plumbing contractor
J&G Heating & Air Conditioning HVAC / plumbing contractor
Jack Lehr Heating, Cooling & Electric HVAC / plumbing contractor
JC Heating & Cooling HVAC / plumbing contractor
JK Mechanical HVAC / plumbing contractor
Karalis Mechanical Services HVAC / plumbing contractor
Kennihan Plumbing & Heating, Inc. HVAC / plumbing contractor
Lancaster Plumbing, Heating, Cooling & Electrical HVAC / plumbing contractor
Lowry Services HVAC / plumbing contractor
Oliver Heating & Cooling HVAC / plumbing contractor
PBCI-Allen Mechanical & Electrical HVAC / plumbing contractor
Perfect Degree HVAC HVAC / plumbing contractor
Performance HVAC HVAC / plumbing contractor
R. Davis Mechanical HVAC / plumbing contractor
R.F. Ohl HVAC / plumbing contractor
Schneider Heating & Air Conditioning HVAC / plumbing contractor
Shane Shaffer, Inc. HVAC / plumbing contractor
Sila Heating, Cooling, Plumbing & Electrical HVAC / plumbing contractor
Summers & Zim's HVAC / plumbing contractor
TAC Mechanical LLC HVAC / plumbing contractor
Tuckey Mechanical Services, Inc. HVAC / plumbing contractor
W.C. Eshenaur & Son, Inc. HVAC / plumbing contractor
Zimmerman Plumbing, Heating & Air Conditioning HVAC / plumbing contractor
Power in Pennsylvania
Pennsylvania's outages come from every season. Winter is the big one: ice storms coat the lines across the state, and the February 2014 storm alone knocked out power to about 715,000 PECO customers around Philadelphia — the worst winter outage in that utility's history. Fall brings the tropical remnants — Superstorm Sandy left more than a million Pennsylvania homes dark in 2012, and the remnants of Ida spun up tornadoes and catastrophic flooding across the southeast in 2021. Summer adds thunderstorms and the occasional derecho. When the power goes out here it often takes the sump pump with it, right when the storm is filling the basement. A whole-home standby generator starts on its own within seconds and keeps the heat, sump pump, well, refrigerator, and medical equipment running on natural gas or propane until the utility catches up.
Generator permits & codes in Pennsylvania
- Who issues permits
- Permits and inspections run through the Pennsylvania Uniform Construction Code, administered by the Department of Labor & Industry and enforced by your municipal code official — or, in municipalities that opted out, by a state-certified third-party agency for one- and two-family homes. Pennsylvania issues no statewide electrician's license, so electrical licensing is set municipally (Philadelphia and Pittsburgh run their own); a contractor doing over $5,000 a year of residential work must also register as a Home Improvement Contractor with the Office of Attorney General, which is a registration, not a competency license.
- Timeline
- Varies by municipality. Most residential generator permits are issued without plan review, with a single electrical inspection (plus a mechanical/gas inspection where a gas line is run) once the work is complete; opted-out municipalities route the work through a third-party agency instead.
- Code in force
- The Uniform Construction Code adopted the 2021 ICC code series effective January 1, 2026, which references the 2020 National Electrical Code. Pennsylvania's triennial review process runs several cycles behind the national code, so the 2020 NEC is current here even as newer editions exist elsewhere; confirm any local amendments with your code official.
- Major utilities
- Seven investor-owned utilities cover the state under PUC regulation: PECO around Philadelphia (the largest), PPL across east-central Pennsylvania and the Lehigh Valley, Duquesne Light in the Pittsburgh area, and FirstEnergy's Met-Ed, Penelec, Penn Power, and West Penn Power across the center and west — plus rural cooperatives. The PUC warns that a generator must never be connected so it can backfeed the lines; a permanently installed unit is wired through a transfer switch by a qualified electrician to keep it isolated from the grid.
- Worth knowing
- Pennsylvania is one of the most populous states with no statewide electrician's license at all. Who may legally do electrical work — and how they're licensed or registered — is decided municipality by municipality, so the rules in one township can differ from the next one over. It makes confirming your installer's local licensing and permits more important here than in states with a single statewide license.
Common questions about whole house generators in Pennsylvania
How much does a standby generator cost installed in Pennsylvania?
For a typical Pennsylvania home, budget roughly $9,000–$15,000 all-in
for a whole-house air-cooled standby unit (about 18–26 kW): the
generator, the automatic transfer switch, a pad, the fuel hookup, the
electrical work, and permits. A smaller essentials-only unit
(10–14 kW) runs about $6,000–$9,000, and liquid-cooled units for
large homes climb past $20,000. Fuel is the swing factor: Philadelphia,
Pittsburgh, and the larger metros mostly have natural-gas service,
while rural homes without a gas main run on a propane tank that adds to
the up-front cost.
Do I need a permit to install a generator in Pennsylvania?
Yes. A standby generator install needs a permit and inspection under
the Pennsylvania Uniform Construction Code — issued by your municipal
code office, or by a state-certified third-party agency in the
municipalities that have opted out. Licensing is unusual here:
Pennsylvania has no statewide electrician's license, so who may do the
wiring is set locally — Philadelphia, Pittsburgh, and many townships
run their own electrical licensing or registration — and a contractor
doing more than $5,000 of residential work a year must also register as
a Home Improvement Contractor with the state Attorney General. A
reputable installer knows your municipality's rules and pulls the
permits; treat anyone who offers to skip the permit as a red flag.
What size generator do I need in Pennsylvania?
That comes down to a load calculation, which any good installer runs
during the site visit. Pennsylvania has three loads worth calling out.
Winter heating is the first: even a gas or oil furnace needs
electricity for its blower, and heat-pump homes lean on
electric-resistance backup strips that pull hard on a cold night. The
sump pump is the second — the storms that cut power are the same ones
flooding the basement. Summer AC is the third, and rural homes on a
private well add a fourth. Essentials only fits in 10–14 kW; a
typical whole house lands at 18–26 kW; a soft-start on the AC can
keep the unit smaller.
Generac, Kohler, Cummins, or Briggs & Stratton — does the brand matter?
All four make reliable home standby units; the installer and the
service relationship afterward matter more than the badge. Generac has
the largest dealer network in Pennsylvania, so parts and warranty techs
are easy to find from Philadelphia to Pittsburgh and out into the rural
counties; Kohler and Cummins have strong dealers in the metros. A
factory-authorized dealer can perform warranty service on its own
brand, which is worth weighing when two brands otherwise look alike.
Use the brand pages here to see who installs and services each one near
you.
How long does installation take?
The on-site work is usually one to two days once the unit is in hand:
set the pad, run the gas and electrical, mount the transfer switch, and
commission it. The calendar time is longer — a site visit and quote,
then permitting, then the inspection. After a big ice storm or a
tropical remnant that timeline stretches, because every house on the
block wants a generator and an installer at the same moment. Ordering
ahead of winter, rather than the week after the lights come back, is
how you avoid competing for both the unit and the crew.
What maintenance does a standby generator need?
An annual service — oil and filter, spark plugs on schedule, a battery
check, and a load test — on top of the weekly self-test the unit runs
on its own. Pennsylvania's cold winters are hard on starting batteries,
so the battery check matters here; the point is to prove the unit works
before the season it's needed, not during it. Many Pennsylvania
installers listed here offer maintenance plans, and several service
brands they don't sell. Neglected maintenance is the most common reason
a generator fails to start when the grid finally goes down.