Warm, Reliable Heat for Fort Washington Winters.

For most Fort Washington homes, a gas insert installed into an existing masonry fireplace runs roughly $4,500 to $9,000, depending on the unit, whether a new gas line needs to be run from the meter, and whether a liner is needed inside the existing chimney. A full built-in gas fireplace for new construction or a remodel—with framing, direct-vent venting, and a fresh gas line—tends to land closer to $8,000 to $12,000. Homes already plumbed for natural gas through Washington Gas are usually on the lower end; homes relying on propane or needing a longer gas line run cost more. A local dealer will give you a firm number after seeing your fireplace and gas access in person.

Yes, and it's one of the most common jobs in Fort Washington given how many brick colonials and split-levels in this part of Prince George's County have an underused masonry fireplace. A gas insert slides into the existing firebox, a stainless liner runs up the existing chimney for venting, and the unit connects to a gas line—either extended from an existing Washington Gas service or, for homes off the main lines, a propane tank. Most conversions here run $4,500 to $8,500 depending on chimney condition and gas line distance, and the finished look preserves your existing mantel and surround while eliminating the wood, ash, and chimney upkeep.

Either works fine. Washington Gas provides natural gas service through much of Fort Washington and the surrounding Prince George's County communities, so if your home already has a gas water heater, stove, or furnace, adding a fireplace is usually a straightforward tie-in. For homes on the outer edges of the service area, or in newer subdivisions where gas mains haven't been extended, propane is the standard fallback, supplied from a tank installed on the property. Nearly every gas fireplace model on the market can be configured for either fuel—your installer sets the correct orifice and regulator for whichever you have.

Most modern gas fireplaces will, with the right ignition system. Units with IPI (intermittent pilot ignition) run on AA battery backup that kicks in automatically when Pepco power drops, so the fireplace still lights on demand—just remember to swap the batteries occasionally since they're easy to forget. Valor fireplaces take a different approach: the pilot's thermocouple generates its own electricity, so there's no battery to maintain at all. Given how quickly summer storms and the occasional winter ice event can knock out power along the Potomac corridor, that's a real advantage worth asking a local dealer about.

A gas fireplace is a fully built-in unit framed into a wall—the right choice for new construction or a room without an existing chimney, which describes a lot of the newer homes going up near National Harbor. A gas insert fits into an existing masonry firebox and uses the current chimney as its vent path, which is the more common upgrade for Fort Washington's older brick colonials. A gas stove is a freestanding unit that sits on the floor like a wood stove but burns gas, useful for rooms with no fireplace at all. Most homeowners here with an existing hearth end up choosing an insert.

Yes. Prince George's County requires a building permit and a separate gas permit through the county's Department of Permitting, Inspections and Enforcement (DPIE) for new gas fireplace or insert installations, and any gas line work has to be done by a licensed gas-fitter. Most established local hearth dealers handle the DPIE paperwork and inspection scheduling as part of the install, which is one reason it's worth working with a dedicated fireplace retailer rather than a general handyman for this kind of job.

Vented (direct-vent) units draw combustion air from outside and exhaust exhaust gases back outside through sealed venting—they're the standard choice and what most Fort Washington dealers install by default. Vent-free units burn directly into the room without external venting; Maryland allows them but with strict room-sizing rules and oxygen depletion sensors, and many local installers steer homeowners away from them for full-time heating use in favor of direct-vent models, which deliver more consistent heat without any tradeoff on indoor air quality. For a primary living space in a Fort Washington home, direct-vent is almost always the right call.

Plan on an annual inspection, ideally in early fall before the first cold snap rolls in off the Potomac. A technician checks the burner, pilot assembly, venting, and gas connections, and cleans the glass and interior—a much lighter job than wood-stove chimney sweeping, but still important, since a cracked or dirty burner is the most common cause of a fireplace that won't light reliably. Local service providers in the Fort Washington and greater PG County area typically charge $150 to $250 for a standard annual check.

Wood-burning setups are uncommon as a new install in Fort Washington. The area's mild Mid-Atlantic climate—around 4,244 heating degree days and winter lows averaging 27°F—means most households don't need wood as a serious heat source, and while some older homes still burn oak, hickory, or maple in a traditional open fireplace, that's largely legacy use rather than a growing category. For anyone upgrading an existing masonry fireplace here, a gas insert is by far the more practical and common choice: no firewood to source and stack, no ash or creosote, and instant, thermostat-controlled heat. If you specifically want a wood-burning setup, a local dealer can still advise you, but expect it to be the exception rather than the norm in this part of Prince George's County.

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.

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.

If you're putting a fire in your house on purpose, it's best to work with an expert. Unless you're genuinely experienced in framing, gas line, vent pipe, and the national code on clearances to combustibles, have a professional do it—and ideally the same company that sells you the fireplace, so warranty, service, and liability all live under one roof.

On average, a fireplace adds back to the home about the same amount you spent installing it. Add the monthly savings from heating the rooms you actually use instead of the whole house—often hundreds of dollars a year—and the value case is strong before you even count what a fire does for how your family uses the room.