Instant heat for Greenwood Village's cold, dry winters.

A typical gas fireplace installation in Greenwood Village runs roughly $4,800 to $11,500, depending on the unit, the venting path, and whether new gas line work is required. A direct-vent insert going into an existing masonry fireplace with a gas line already nearby tends to land on the lower end. New construction or remodel installs in the larger custom homes common around the Denver Tech Center and Cherry Hills area—with framing, longer gas line runs, and finish carpentry—push toward the higher end. Local dealers will give you a firm number after seeing the room and the existing gas setup.

Yes, and it's a common project in this part of Arapahoe County, where a lot of homes still have the original masonry wood fireplace from when they were built. A gas insert typically drops into the existing firebox, running a stainless liner up the current chimney for venting. Because Public Service Company of Colorado already serves natural gas to most Greenwood Village addresses, the conversion often just means tapping into an existing line rather than a long new run—which keeps costs closer to the lower end of the typical range. It also means you stop worrying about wood smoke during a winter inversion advisory, since the insert burns clean.

Most Greenwood Village homes already have natural gas service through Public Service Company of Colorado (Xcel Energy), so if your water heater or furnace already runs on gas, adding a fireplace is usually straightforward. Propane is rarely necessary this close to the Denver Tech Center's built-out gas infrastructure, but it remains an option for a detached structure or outbuilding that isn't already plumbed. Most gas fireplace models can be configured for either fuel—your installer sets the correct orifice and regulator for whichever you choose.

Most modern gas fireplaces will, which matters here given how often a Front Range winter storm can knock out power for a day or more along with the electricity that runs your furnace blower. Units with IPI (intermittent pilot ignition) run off a battery backup that kicks in automatically when the power drops. Valor fireplaces take a different approach—their pilot's thermocouple generates its own electricity, so there's no battery to remember or replace. For a home at 5,633 feet where a February outage can mean single-digit temperatures overnight, that self-powered ignition is worth asking your local dealer about.

A gas fireplace is a fully built-in unit framed into a wall—the standard choice for new construction or a major remodel. A gas insert is built to slide into an existing masonry firebox, converting an old wood-burning fireplace into a sealed, efficient gas unit using the same chimney for venting. A gas stove is a freestanding cabinet-style unit that sits out in the room like a wood stove would. For the many Greenwood Village homes built with a traditional masonry fireplace already in place, an insert is usually the simplest upgrade. Newer construction without an existing firebox is better suited to a built-in fireplace.

Yes—installations require a building permit through the City of Greenwood Village, plus a gas line permit if new piping is involved, and that gas work has to be done by a licensed gas-fitter. Most established hearth dealers in the metro area handle the permitting and inspection scheduling as part of the install, which is one reason to route the gas line and venting work through the same company rather than piecing it together with separate contractors.

Vented (direct-vent) gas fireplaces pull combustion air from outside and exhaust the byproducts back outside through a sealed pipe—the cleanest and most universally code-compliant option. Vent-free units burn directly into the room without exterior venting; they're legal in Colorado within room-sizing and ventilation limits, but they do release some moisture and combustion byproducts indoors. Given how often Greenwood Village deals with winter inversion advisories that already concentrate pollutants near ground level, most local dealers steer homeowners toward direct-vent units—they deliver strong heat output without adding anything to indoor air on a day when outdoor air quality is already a concern.

Plan on an annual inspection, ideally in early fall before the heating season ramps up. A technician checks the burner, pilot assembly, gas connections, and any venting for a direct-vent unit, and cleans the glass. It's a lighter lift than sweeping a wood chimney, but skipping it is how you end up with a pilot that won't hold or a burner that soots up the glass mid-winter. Local gas appliance service providers typically charge $150 to $250 for this annual visit.

Wood offers a lower cost per BTU if you're willing to source cordwood—ponderosa pine, aspen, and pinyon are all common on Arapaho-Roosevelt National Forest permits ($5 to $20 per cord, May through October cutting season)—plus heat that keeps running with no electricity at all. Gas offers instant on-off convenience, no ash or creosote, and, importantly for this area, no contribution to woodsmoke on a winter inversion or wildfire-smoke advisory day. For a Denver Tech Center-area home focused on clean, low-maintenance daily use, gas is usually the better fit. Some homeowners keep a wood-burning option at a mountain cabin while running gas in the primary residence.

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.

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.

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.

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.