Instant heat for Merrimack County's long, cold winters.

Most gas fireplace installations in Merrimack County run between $4,500 and $11,000, with the biggest cost drivers being the venting path and whether new gas line work is needed. A direct-vent insert going into an existing masonry fireplace where gas is already run to the room sits at the lower end. New construction or a remodel that requires framing, a fresh gas line, and new venting through an exterior wall lands in the middle to upper range. Homes on propane that need a new tank set can run higher still. A local installer will give you a firm number after seeing the space in person.

Yes, and it's a common project for hearth retailers serving Concord and the surrounding towns. A gas insert typically slides into your existing masonry firebox, with a stainless liner run up the chimney you already have, avoiding the need for new exterior venting. Homes already on Liberty Utilities natural gas or with an existing propane tank tend to see lower conversion costs, since the fuel supply piece is already solved. The tradeoff is you give up the ability to burn cordwood in that fireplace, though many Merrimack County homeowners keep a wood stove elsewhere in the house for storm backup.

Either fuel works, and most gas fireplace models can be set up for one or the other with the correct orifice and regulator. Liberty Utilities runs natural gas service through Concord and the immediate river corridor, so homes there with an existing gas water heater or furnace usually just need a new branch line for the fireplace. Outside that footprint—much of Hopkinton, Warner, Salisbury, and other outlying Merrimack County towns—propane from a regional supplier is the standard option, either from an existing tank or a new installation sized for the fireplace's BTU output.

Most will, which matters in a county where ice storms and nor'easters regularly knock out power for a day or more. Units with intermittent pilot ignition (IPI) run on a small battery backup that kicks in the moment power drops, so the fireplace lights normally off the batteries—just remember to check them each fall before burning season. Valor fireplaces handle this differently: their pilot assembly generates its own electricity through the thermocouple, so there's no battery to maintain at all. Ask your local dealer which ignition system is on any unit you're considering, especially if you're buying this fireplace partly for storm backup.

A gas fireplace is a built-in, framed-in unit suited to new construction or a remodel where there's no existing masonry opening. A gas insert is built to drop into an existing wood fireplace, sealing it up and using the existing chimney as the vent path—the common choice for older Concord and Franklin homes with a fireplace they want to modernize. A gas stove is a freestanding unit on its own hearth pad, often chosen for rooms without an existing fireplace where a built-in isn't practical. Most Merrimack County homeowners upgrading an old fireplace land on an insert.

Yes. In New Hampshire, building and gas permits are issued at the municipal level rather than by the county—so a Concord installation is permitted through the City of Concord's Building Inspection Division, while a project in Hopkinton, Franklin, or another town goes through that town's local building office. Gas line work also requires a licensed gas-fitter. Most established hearth dealers coordinate the permit, the gas line, and the final inspection as one package, which is one of the main reasons to go through a certified installer rather than a handyman.

Vented (direct-vent or B-vent) units pull combustion air from outside and exhaust the byproducts back outside through a sealed pipe—they're the cleanest and most widely recommended option, and what most Merrimack County dealers install by default. Vent-free units burn fuel directly into the room without any exterior venting; they're legal in New Hampshire but come with strict room-sizing requirements and an oxygen depletion sensor, and they release some water vapor and combustion byproducts into the living space. Given how long the heating season runs here—six months or more some years—most local homeowners choose vented units for daily use and reserve vent-free for very specific, small-space situations.

Plan on an annual inspection, ideally in late summer or early fall before the heating season starts. A technician will check the burner, pilot assembly, venting, and gas connections, and clean the glass and interior of soot buildup. This is a lighter service than wood chimney sweeping but still important—a dirty burner or a failing thermocouple is the most common reason a gas fireplace stops lighting reliably mid-winter. Most Merrimack County service providers charge in the $150 to $250 range for a standard annual visit.

Wood offers real independence from the grid, lower ongoing fuel cost if you're willing to cut your own from a White Mountain National Forest permit ($20 per cord, May through October season), and the dense, long-burning heat of local hardwoods like maple, birch, beech, and oak. Gas offers instant, no-mess heat with none of the splitting, stacking, or ash cleanup, and it's far easier to run as a daily zone-heat source in a primary living area. Given the county's roughly 6,980 heating degree days, plenty of local homes end up with both: gas in the main living space for everyday convenience, and a wood stove or insert somewhere else in the house as backup when winter storms take out the power.

Yes—with an asterisk. Fireplaces are hot and TVs don't like heat. Either put a mantel between them to deflect rising warmth, or choose a fireplace with heat-management technology that creates a cool zone on the wall above—the wall stays around 125 degrees, barely warm, while the room still gets full heat. If you like clean lines and don't want a mantel, heat management is the answer.

An insert does two things: it seals the chimney completely, so you stop losing air you already paid to heat, and it radiates warmth into the room through the firebox and glass. Most add a heat-exchange fan that pulls cool room air underneath, wraps it around the hot firebox, and pushes it back out warm. Your home is more efficient before you've even lit the first fire.

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.

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.