Keep Your Family Warm and Safe—No Matter What

Because wood stove demand is lower here than in colder, more rural markets, there isn't a single well-established local price benchmark the way there is for gas locally. Across the broader Midwest, a straightforward freestanding wood stove installation into an existing chimney typically runs $3,000 to $7,000, while a full installation with new Class A chimney pipe—common in homes without an existing masonry flue—can run $8,000 to $12,000. Converting an existing wood-burning fireplace into a high-efficiency wood insert is usually less, often $3,500 to $6,500, since it reuses the chimney you already have. A local dealer can give you a firm number after seeing your fireplace or install location in person.

With winter lows averaging around 25°F and a moderate winter heating season overall, most St. Louis County homes don't need a stove sized for extreme cold—a small to medium stove rated for 1,000 to 2,000 square feet is plenty for supplemental heat in a typical suburban home, since most owners here use wood heat to take the edge off a cold room or as backup during an ice storm rather than as a primary source. If you're heating an older, less-insulated inner-ring suburban home as your only heat, size up. A local dealer will size the unit to your actual square footage and insulation level rather than a generic chart.

Look for NFI (National Fireplace Institute) or CSIA (Chimney Safety Institute of America) certification. With more than 90 separate municipalities across St. Louis County, code requirements and inspection processes can vary from one city to the next, and a certified installer who works countywide already knows which cities require what. Because wood stove work is a smaller share of business for most local hearth dealers compared to gas, ask specifically about their wood stove and chimney experience rather than assuming every dealer handles it regularly.

A wood stove is a freestanding unit installed on a hearth pad, usually vented through new Class A pipe when there's no existing masonry chimney. A wood insert slides into an existing masonry fireplace opening—common in the county's older inner-ring suburban housing stock—and uses a stainless steel liner run up the existing flue. For a home that already has a working masonry fireplace, an insert is almost always the simpler, less expensive path, and it dramatically improves heat output over an open hearth.

Most likely yes, but the specific requirements depend on which of the county's many individual municipalities you live in—St. Louis County government handles unincorporated areas, while incorporated cities like University City, Kirkwood, or Ballwin run their own building departments. Because wood stove installs are relatively uncommon compared to gas here, it's worth confirming directly with your municipality's building department before work starts. A reputable local installer will already know the process for your specific city and typically handles the permit application as part of the job.

Since most St. Louis County homes use wood heat as a supplement rather than a primary source, mid-size non-catalytic stoves from brands like Lopi or Pacific Energy are a common fit—they're easier to operate for occasional use than a catalytic stove built for 20-hour overnight burns in far colder climates like Duluth MN or Bozeman MT. If you want a stove that can genuinely serve as backup heat during an extended ice-storm power outage, ask your dealer about sizing it to actually carry your main living area, not just a decorative unit.

The CSIA recommends an annual inspection for any wood-burning appliance, and that holds regardless of how often you actually burn. Even occasional users—the ice-storm-backup crowd—should have their chimney and flue checked once a year, ideally before the first cold snap in October or November. Older masonry chimneys common in the county's mid-century housing stock are also worth a structural look, not just a creosote sweep, since decades-old mortar and flue tile can deteriorate.

St. Louis County isn't surrounded by national forest land the way rural Missouri counties are, so there's no cutting permit system here—firewood is almost entirely a commercial purchase. Local suppliers sell seasoned oak, hickory, walnut, and maple by the cord, with prices generally running $250 to $375 per cord delivered depending on species and how well-seasoned it is. Oak and hickory burn hotter and longer and are the most common choices for real heat output; walnut and maple are also available and burn a bit faster.

For most St. Louis County homeowners, gas wins on convenience: natural gas service is widely available across the county, a gas insert lights instantly with no ash or wood handling, and it fits how most people here actually use a fireplace—occasional evening use rather than daily heating. Wood makes more sense if you specifically want heat that works without electricity during an ice storm, want the ambiance and ritual of a real fire, or already have a strong local source of seasoned oak or hickory. Increasingly in this county, wood is the fuel people choose on purpose rather than the default—which is fine, as long as you go in with realistic expectations about maintenance and sourcing firewood.

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.

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.

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.