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Serving Eastern Panhandle of West Virginia · 20-mile radius from Inwood, WV

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Home at dusk in the Eastern Panhandle of West Virginia with a service van in the driveway

Inwood, WV · Eastern Panhandle of West Virginia

Electrical & HVACdone right, locally.

Black Diamond is a licensed residential electrician and HVAC contractor based in Inwood, West Virginia. We handle panel upgrades, standby generators, EV chargers, heat pumps, air conditioning and furnace work for homeowners within 20 miles — including Martinsburg, Charles Town, Ranson and Winchester, Virginia.

681-446-2503See all services

Monday–Friday, 7:00 AM – 5:00 PM

Why homeowners here call Black Diamond

Both trades, one company

Electrical and HVAC under one roof. Jobs that cross trades — a heat pump needing a new circuit, a generator tying into the panel — get done by one crew, on one schedule.

Local to the Panhandle

Based in Inwood, not dispatched from two hours away. We know the housing stock, the inspectors and the utilities in Berkeley and Jefferson County.

Permits and inspection handled

We pull the permits and coordinate inspections as part of the job. You are not filing paperwork or chasing an inspector.

Straight answers on cost

You get the repair number and the replacement number, plus how much life is realistically left in the equipment. No pressure to replace something with years left.

Whole-home standby backup generator installed on a concrete pad beside a house

When the power goes out

Standby generators for rural Panhandle homes

Out past Hedgesville, Bunker Hill and Gerrardstown, an outage is not just an inconvenience — if you are on a well, losing power means losing water, and a stopped sump pump can mean a flooded basement. A standby generator monitors utility power and starts automatically within seconds, with no cords to drag out in a storm.

We size the unit to the circuits you actually want running, install the automatic transfer switch at the panel, and commission the system so you know it works before you need it.

About standby generators

Where we work

Serving a 20-mile radius from Inwood, WV

That radius covers most of Berkeley and Jefferson County in West Virginia and reaches across the state line into Frederick County, Virginia.

Inwood, WV

Berkeley County · Our home base

Martinsburg, WV

Berkeley County · ~8 mi from Inwood

Charles Town, WV

Jefferson County · ~17 mi from Inwood

Ranson, WV

Jefferson County · ~18 mi from Inwood

Winchester, VA

Frederick County, Virginia · ~19 mi from Inwood

Bunker Hill, WV

Berkeley County · ~4 mi from Inwood

Hedgesville, WV

Berkeley County · ~15 mi from Inwood

Falling Waters, WV

Berkeley County · ~18 mi from Inwood

Gerrardstown, WV

Berkeley County · ~6 mi from Inwood

Also serving:Kearneysville,Shepherdstown,Berkeley Springs

Common questions

Questions homeowners ask us

What areas does Black Diamond Electric & HVAC serve?
Black Diamond Electric & HVAC Services is based in Inwood, West Virginia and serves homeowners within roughly a 20-mile radius across the Eastern Panhandle. That includes Martinsburg, Charles Town, Ranson, Bunker Hill, Hedgesville, Falling Waters, Kearneysville, Shepherdstown and Gerrardstown in West Virginia, plus Winchester, Virginia. We also take work in Berkeley Springs and Morgan County on a case-by-case basis.
Does Black Diamond do both electrical and HVAC work?
Yes. Black Diamond is a single company licensed for both electrical and HVAC work, which means one contractor handles jobs that cross between the two — such as installing a heat pump that needs a new circuit, or adding a standby generator that ties into the panel. Homeowners do not need to coordinate two separate trades or wait for one to finish before the other starts.
What are your hours?
Black Diamond Electric & HVAC Services is open Monday through Friday, 7:00 AM to 5:00 PM. Call 681-446-2503 to schedule service or request an estimate.
How much does an electrical panel upgrade cost in the Eastern Panhandle?
Panel upgrade cost depends on the amperage, the condition of the service entrance and meter base, whether the panel is being relocated, and what the utility and local inspector require. Because those variables change the price substantially, Black Diamond quotes panel upgrades after seeing the existing service rather than giving a flat number over the phone. Call 681-446-2503 for an estimate on your specific home.
Do I need a permit for electrical or HVAC work on my home?
Most panel upgrades, new circuits, rewiring and equipment replacements require a permit and inspection in Berkeley County, Jefferson County and the City of Winchester. Black Diamond pulls the required permits and coordinates the inspection as part of the job, so the homeowner is not responsible for filing paperwork or scheduling inspectors.
Should I repair or replace an aging air conditioner or heat pump?
As a general rule, repair makes sense when the system is under about 12 years old and the repair costs a small fraction of replacement. Replacement usually wins when the unit is 12–15 years or older, uses discontinued R-22 refrigerant, needs a compressor or coil, or has needed repeated repairs in consecutive seasons. Black Diamond gives homeowners both numbers and the expected remaining life so the decision is straightforward.
Read all questions

Need an electrician or HVAC tech?

Call 681-446-2503 and talk to someone local. Based in Inwood, serving homeowners within 20 miles across the Eastern Panhandle of West Virginia. Monday–Friday, 7:00 AM – 5:00 PM.

681-446-2503Request service