Find a gas fireplace built for Edgemoor's river-town winters.
With average winter lows near 24°F and a winter heating season on the longer, colder side, Edgemoor homes need dependable zone heat. See what a local dealer can actually install near the Delaware River.
Every Project Starts From One of These Five Situations
Sensible heat for a dense, historic riverfront community.
Edgemoor sits low along the Delaware River just north of Wilmington, at only 15 feet of elevation, with tightly spaced homes dating back to the early duPont-era development of the neighborhood. Winters here aren't Buffalo-NY brutal, but with an average low around 24°F and a winter heating season on the longer, colder side, the cold is real enough that a supplemental heat source pays for itself most winters. Wood stoves are uncommon on Edgemoor's smaller residential lots—there's little room for wood storage, and the community's row-style and postwar homes weren't generally built with the clearances or masonry chimneys that wood burning favors. Gas has become the practical answer instead.
Most Edgemoor homes sit close enough to Wilmington's natural gas mains that a hookup is straightforward, while homes on the fringes toward Bellevue or unincorporated county land sometimes rely on propane instead. Either way, a direct-vent gas fireplace or insert delivers instant, even heat at the flip of a switch or a wall switch—useful given that Delmarva Power's residential electric rate runs about 16.4 cents per kWh, making a well-placed gas unit a genuinely cost-effective way to take the load off a furnace during a cold snap or take over during a winter power blip along the river.

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Frequently Asked Questions
How much does a gas fireplace installation cost in Edgemoor?
For Edgemoor's older, close-set homes, a direct-vent gas insert into an existing masonry fireplace typically runs $4,000 to $7,500, assuming a gas line is already nearby. A new built-in gas fireplace with fresh venting and a new gas line—more common in renovated homes near Bellevue—runs higher, often $6,500 to $11,000, depending on how far the line has to travel through a finished wall or crawlspace. Homes without an existing chimney or gas service nearby sit at the top of that range. A local dealer will give you a firm number after seeing the space in person.
Can I convert an old fireplace in my Edgemoor home to gas?
Yes, and it's a common project in this part of New Castle County, where many homes still have the original masonry fireplaces built decades ago. A gas insert slides into the existing firebox, uses a stainless liner run up your current chimney for venting, and typically costs $4,000 to $8,000 depending on whether the home is already on natural gas or needs a propane setup. It keeps the original mantel and opening intact while eliminating the wood handling and drafty damper that these older Edgemoor fireplaces are known for.
Is natural gas or propane more common in Edgemoor?
Most of Edgemoor, being close to Wilmington's built-out utility corridor, has natural gas service available, so homeowners already running gas water heaters or ranges usually just tap into the existing line for a fireplace. Properties further from the main grid—some pockets near the county line—rely on propane with a tank on the property instead. Either fuel works in nearly any modern direct-vent fireplace; your installer sets the orifice and regulator to match whichever you have.
Will a gas fireplace still work if the power goes out?
Most direct-vent gas fireplaces with intermittent pilot ignition (IPI) include a battery backup that keeps the unit operable when Delmarva Power lines go down—which does happen during the nor'easters that roll through this stretch of the Delaware River. Some manufacturers, like Valor, go a step further and generate their own power from the pilot's thermocouple, so there's no battery to remember at all. If reliable heat during outages matters to you, ask your local dealer specifically about the ignition system on any unit you're considering.
What's the difference between a gas fireplace, insert, and stove?
A gas fireplace is a fully framed-in unit built for new construction or a remodel. A gas insert drops into an existing masonry firebox—the more common retrofit in Edgemoor's older housing stock—and uses the existing chimney as a chase for the new venting. A gas stove is a freestanding cast-iron or steel unit that sits on the floor, useful in a room without any existing fireplace opening. Homeowners with an original fireplace usually go with an insert; those adding heat to a converted porch or addition often choose a stove instead.
Do I need a permit to install a gas fireplace in Edgemoor?
Yes. Edgemoor is unincorporated, so permitting runs through New Castle County's Department of Land Use rather than a city building department, and any new gas line work also requires sign-off from a licensed gas fitter. Most established hearth dealers in the Wilmington area handle both the building permit and the gas line coordination as part of the installation, so you're not left managing separate trades and inspections yourself.
Should I get a vented or vent-free gas fireplace?
Vented (direct-vent) units pull combustion air from outside and exhaust it back outside through sealed venting—the standard, code-compliant choice almost everywhere, including Delaware. Vent-free units burn directly into the room air and are legal in Delaware under specific room-sizing and ventilation rules, but they release some water vapor and combustion byproducts indoors. For Edgemoor's smaller, tightly built rooms, a direct-vent unit is usually the better fit—it delivers real heat output without any indoor air quality trade-offs, and it's the option most local dealers will steer you toward.
How often does a gas fireplace need to be serviced?
Plan on an annual inspection, ideally in early fall before the heating season starts. A technician checks the burner, pilot assembly, venting, and gas connections, and cleans the glass and interior—a much smaller job than a wood chimney sweep, but still important for safety and efficiency. In the Wilmington area, annual gas fireplace service typically runs $150 to $250.
Should I consider a wood stove instead of gas in Edgemoor?
Realistically, wood isn't a strong fit for most Edgemoor properties. Lots here are small and closely spaced, few homes have the clearances a modern wood stove requires, and there's little practical space for stacking and storing cordwood of local oak, hickory, or maple. Some older homes with original masonry fireplaces still burn wood occasionally for ambiance, but as a primary or supplemental heat source, gas is the far more practical choice given the housing stock and lot sizes in this part of New Castle County. A direct-vent gas insert or fireplace gets you real heat output without the storage and clearance issues wood would create here.
Is my gas fireplace wasting gas?
If it was installed more than 15 years ago, probably. Older gas fireplaces keep a standing pilot light burning all the time, and that little flame can cost a couple hundred dollars a year. Newer models use pilot-on-demand ignition—the pilot lights only when you use the fireplace and goes out when you turn it off.
Why is my open fireplace making my house colder?
Open fireplaces suck—literally. As the fire burns, it consumes air your furnace already paid to heat and pulls it out through the chimney, so the house is actually colder after the fire goes out than before you lit it. An insert fixes this: it seals the chimney, puts fixed glass across the front, and turns that hole in your house into a real heat source.
What is an in-home preview and do I need one?
It's a visit where a hearth professional measures your space, confirms the model you picked actually works in your home, and walks the specs—framing, gas line, venting, finish work—before anything is ordered. Some details you just can't know until you see the house. Never make a down payment without one; it's the single most-skipped step that burns buyers.
Can a fireplace actually lower my heating bill?
Yes—by creating a comfort zone. A furnace heats every square foot of the house just to warm the one room you're in; a gas fireplace on low burns roughly a sixth of the gas a typical furnace does. Set the furnace around 55–60 degrees as a baseline, then heat the rooms your family actually uses. Families who heat this way commonly save $20–$60 a month.
Nearby Dealers
Hearth shops serving Edgemoor and the surrounding area. Every listing shows whether it is a WhyFire partner, a dealer we have verified as authorized for the brands we recommend, or a local business carrying hearth products. No manufacturer pays for placement. How we verify dealers →
Wertz & Co,Inc
Athenia Mason Supply Wilmington LLC
Ah Angersterin Inc
First State Hearth Services
Delaware Brick
Comfort Home & Hearth
Closer To The Hearth
Johnson Fitness And Wellness
Halco Grills And Fireplaces
The Stove Store
Halligan's Hearth And Home
McCloskey's Garden & Hearth
Schagrin Gas - Middletown
Fortiline
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