Instant Heat for St. Louis-Area Winters.

Most gas fireplace and insert installations in Richmond Heights run between roughly $3,500 and $9,000. Converting an existing masonry fireplace—common in the city's 1920s-to-1950s brick homes—to a direct-vent gas insert with a stainless liner tends to land on the lower-to-middle end, especially when a gas line is already nearby. A new built-in gas fireplace for a remodel, with fresh venting and gas line work through a finished wall, sits toward the higher end. A local dealer can give you a firm number after seeing your chimney and floor plan.

Yes, and it's one of the most common jobs local installers do in Richmond Heights, since so many of the city's older brick homes have a masonry fireplace that was built for wood but rarely gets used that way today. A gas insert typically slides into the existing firebox and vents through the original chimney with a new liner, which preserves the mantel and surround while dramatically improving heat output. Because Spire gas service already runs to most of these homes for the furnace, the added line work for a fireplace is usually a short run, not a major project.

Nearly every home in Richmond Heights already has natural gas service from Spire for the furnace, range, or water heater, so tying a new fireplace into that existing line is the standard approach here. Propane is uncommon within the city itself given the density of the neighborhood and universal gas main coverage—it's more of a fallback for rural St. Louis County properties without gas mains. If your home already has a Spire meter, your installer will almost certainly recommend running off natural gas rather than adding a propane tank.

Most modern gas fireplaces will, provided they use IPI (intermittent pilot ignition) with a battery backup—typically a few AA batteries built into the unit that keep the igniter working when the power drops. St. Louis County sees occasional ice storms and summer thunderstorm outages that can knock out Ameren Missouri service for hours or longer, so a battery-backed unit means your fireplace still lights on demand. Valor fireplaces take a different approach: the pilot's thermocouple generates its own electricity, so there's no battery to replace or forget. Ask your local retailer which ignition system a given model uses.

A gas fireplace is a fully built-in unit framed into a wall, typically chosen for new construction or a full remodel. A gas insert is sized to slide into an existing masonry firebox—the natural fit for Richmond Heights' older brick homes that already have a fireplace opening and chimney. A gas stove is a freestanding cast-iron or steel unit that sits on the floor and vents out a nearby wall, useful in a room without any existing fireplace. For most homeowners here with a pre-1950s masonry fireplace, an insert is the simplest and most cost-effective upgrade.

Yes. The City of Richmond Heights Building Division requires a building permit for gas fireplace installations, and the gas line connection itself must be done by a licensed gas-fitter and inspected under St. Louis County code. Most established hearth dealers in the area handle the permit application and inspection scheduling as part of the installation price, so you're not left coordinating separate trades yourself.

Vented (direct-vent) gas fireplaces pull combustion air from outside and exhaust the byproducts back outside through a sealed pipe—they're the cleanest and most universally code-compliant option, and the type most local dealers recommend for full-time heating use. Vent-free units burn gas directly into the room without external venting; they're legal in Missouri under strict room-sizing and oxygen-sensor rules, but they release some moisture and combustion byproducts indoors. Given the tight floor plans of many Richmond Heights bungalows, most homeowners here go with a direct-vent unit for daily use and reserve vent-free options, if at all, for occasional-use spaces like a finished basement.

Plan on an annual inspection, ideally in early fall before regular winter use starts. A technician will check the burner, pilot assembly, venting, and gas connections, and clean the glass and firebox interior. This is a much shorter visit than a wood-burning chimney sweep, but it matters just as much for safe operation—annual service in the Richmond Heights area typically runs $150 to $250.

For most homes in Richmond Heights, no—wood-burning setups are uncommon here and generally not the practical choice. The city's lots are small and closely spaced, there's no nearby public land for cutting firewood the way there is in more rural parts of Missouri, and storing and seasoning cords of oak or hickory isn't realistic on most of these properties. A handful of homeowners keep an existing wood fireplace for occasional ambiance, but for regular heat, gas is the fuel that fits the neighborhood's housing stock and lifestyle. If you already have a wood-burning masonry fireplace, converting it to a gas insert is almost always the better move for actual usable heat.

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 is a fireplace that slides into a pre-existing wood-burning fireplace—if you don't have one, there's nothing to insert it into. A zero-clearance fireplace is built into a framed wall, which makes it the answer for remodels and new construction. Simple test: existing masonry fireplace means insert; blank or framed wall means zero-clearance.

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.