Keep Your Family Warm and Safe—No Matter What

A typical wood stove or insert installation in the Dellwood area runs roughly $4,000 to $8,500, depending on the unit, whether you're venting through an existing masonry chimney or need new Class A pipe, and whether the hearth needs to be rebuilt to current clearance codes. Many homes in this part of St. Louis County were built decades ago with an existing fireplace already in place, which usually keeps costs on the lower end since the chimney structure is already there. New construction or homes without an existing flue run higher once full venting and a hearth pad are added.

Because Dellwood's winters average lows in the mid-20s rather than single digits, most homes here don't need the largest catalytic stoves built for extreme cold—a mid-size stove rated for 1,200 to 1,800 square feet handles a typical main living area comfortably, with room to spare on the coldest nights of the year. Smaller units work fine for a den or converted sunroom used a few evenings a week. If you're planning on wood as genuine backup heat during a winter storm outage, size up slightly rather than down—a local retailer can walk your specific floor plan and insulation level before you buy.

Look for NFI (National Fireplace Institute) certified installers or CSIA (Chimney Safety Institute of America) credentialed technicians—both indicate specific training in wood-burning appliance clearances and venting, not just general contracting experience. In the St. Louis metro, most hearth shops that sell wood stoves also employ their own certified install crews, which keeps warranty coverage and code sign-off in one place. Skipping a certified installer for a wood-burning unit is where most improper-clearance chimney fires start.

A freestanding wood stove sits on a hearth pad and can go almost anywhere with the right clearances—it's the better fit if you're adding wood heat to a room that never had a fireplace. A wood insert is built to slide into an existing masonry firebox, which is common in older Dellwood and St. Louis County homes with a fireplace that was originally built more for looks than heat output. An insert reuses the existing chimney (usually relined with stainless steel) and converts a drafty, inefficient open fireplace into a real heat source—often the better upgrade path for this area's older housing stock.

Most new wood stove and insert installations require a building permit through the City of Dellwood or, depending on the scope of work, St. Louis County's building department—your installer will confirm which applies and typically pulls the permit as part of the job. The stove itself needs to meet current EPA emissions standards. Because Dellwood has no air quality nonattainment designation, there are no seasonal burn curtailment periods to plan around the way there are in some Western cities—you're not checking a daily advisory before lighting a fire here.

With winter lows averaging around 24°F rather than deep sub-zero cold, most Dellwood homes do well with a mid-size non-catalytic stove—brands like Pacific Energy, Jotul, or Vermont Castings offer models sized for exactly this kind of climate, where you want strong heat output on the coldest nights but don't need a 20-plus-hour catalytic burn every single day. If wood is meant to double as emergency backup heat, ask your local dealer about models that don't rely on any blower or electronic ignition, so the stove keeps working even when Union Electric power is out.

The CSIA recommends an annual inspection for any wood-burning chimney, and that matters even more in a St. Louis County neighborhood like Dellwood where a lot of the housing stock is 50 to 70 years old—older masonry chimneys are more prone to deteriorated mortar joints and cracked flue liners that a visual check from the ground won't catch. Plan on a Level 1 sweep and inspection each late summer before burning season, and don't skip it just because the fireplace

Dellwood is a dense St. Louis County suburb without nearby national forest land, so self-cut firewood permits aren't really an option here the way they are in more rural parts of the state—most residents buy seasoned, split cordwood from local tree services and firewood dealers that serve the greater St. Louis area. Oak and hickory are the most common species sold locally, with walnut and maple also showing up, and seasoned hardwood typically runs $180 to $275 per cord depending on species and delivery distance. Oak and hickory burn hotter and longer than softwoods, which makes them worth the slightly higher price if you're using the stove regularly.

Wood stoves burn local oak, hickory, and walnut, need no electricity to run, and work as genuine backup heat if Union Electric power goes down during an ice storm. Pellet stoves burn bagged pellets—regional brands like Lignetics and Indeck Energy Services both supply the Midwest market—and are simpler to load and run, with a thermostat instead of a damper to manage, but the auger and blower need electricity, so a pellet stove goes dark in the same outage a wood stove would ride through. Given Dellwood's occasional severe winter weather and easy access to hardwood firewood, wood tends to be the more resilient choice, while pellet appeals more to households prioritizing convenience over backup power.

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.

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.

For an average home—covering the fireplace, the vent pipe, and basic installation—a budget between $3,900 and $5,500 gives you a lot of options across wood, gas, and pellet. By the time you add finish work, gas line, and electrical, the average complete installation lands between $5,000 and $12,000 all-in. In a remodel or new build, a good rule is to put about 2.5% of the total project cost toward the fireplace.