Keep Your Family Warm and Safe—No Matter What
With 4,292 heating degree days and winter lows averaging 25°F, most Kirkwood homes lean on gas. But for owners of older homes with existing chimneys, a wood stove or insert is still a real option—done right.
Every Project Starts From One of These Five Situations
A mild Missouri winter and tight, historic lots mean gas usually wins.
Kirkwood sits at 585 feet in St. Louis County, in climate zone 4A, with winters that are cold but not brutal—average lows around 25°F and roughly 4,292 heating degree days a year, a fraction of what a place like Duluth, MN or Fargo, ND sees each winter. That milder heating demand, combined with Kirkwood's dense, walkable street grid of homes built close together on modest lots, means new wood-burning installations are the exception rather than the norm here. Most homeowners who need supplemental or backup heat reach for gas or electric options that don't require chimney clearances, wood storage, or ash cleanup.
That said, wood hasn't disappeared from Kirkwood entirely. Plenty of homes in the city's historic core—some dating to the early 1900s—still have original masonry fireplaces, and a portion of those owners choose to install a wood insert for real heat and real flame rather than converting to gas. Local firewood is easy to come by: oak, hickory, walnut, and maple are the common species split and sold by tree services and firewood suppliers throughout St. Louis County, since there's no nearby national forest land to pull a cutting permit from. If you're set on a wood-burning appliance in Kirkwood, it's absolutely doable—you'll just want a dealer who still stocks and installs them, since most local hearth shops have shifted their floor space toward gas.

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Frequently Asked Questions
Is a wood-burning fireplace or stove even practical in Kirkwood?
It can be, but it's worth going in with clear eyes. Kirkwood's winters are moderate compared to true cold-climate markets—4,292 heating degree days versus 8,000 to 10,000 in places like Minneapolis or Burlington, VT—so a wood stove here is rarely anyone's sole heat source. It's most practical for owners of older homes in Kirkwood's historic neighborhoods who already have a working masonry chimney and want a wood insert for real fire, backup heat during ice storm outages, or supplemental warmth in a den or living room. If you're building new or don't have an existing chimney, most Kirkwood homeowners find gas a simpler, cheaper path to the same ambiance.
What does a wood stove or insert installation cost in Kirkwood?
Expect somewhere in the $4,000 to $8,500 range for a wood insert into an existing masonry fireplace, and higher—often $8,000 to $13,000—for a freestanding stove in a home with no existing chimney, once Class A pipe and roof penetration are factored in. Because wood installs are less common here than gas conversions, it's worth confirming that whoever you hire actually specializes in solid-fuel venting rather than treating it as a side job. A local hearth dealer can give you a firm number after seeing your chimney or framing in person.
Do I need a permit to install a wood stove in Kirkwood?
Yes. New wood-burning appliance installations require a building permit through the City of Kirkwood's Building Division (or St. Louis County if your property falls outside city limits), and the unit itself needs to meet current EPA 2020 NSPS emissions standards. Unlike national-forest-adjacent towns, there's no cutting permit system here—Kirkwood residents buy firewood from local suppliers rather than harvesting it themselves, since there's no nearby public timberland to pull a permit from.
Where can I buy firewood in Kirkwood?
Local tree services and firewood suppliers throughout St. Louis County sell seasoned oak, hickory, walnut, and maple by the cord, typically running $200 to $300 delivered and stacked depending on species and how well-seasoned it is. Oak and hickory are the most common choices for stove use because they burn longer and hotter than the softer maple that's also plentiful from local tree removal. Ask any supplier how long the wood has been split and stacked—green firewood is a common complaint and it won't burn cleanly in a modern EPA-certified stove.
What's the difference between a wood stove and a wood insert, and which fits Kirkwood homes better?
A wood insert slides into an existing masonry fireplace opening and uses your current chimney, relined with a stainless steel liner—this is the more common route in Kirkwood, where many homes in the historic district already have an original brick fireplace that's underperforming or drafty. A freestanding wood stove sits on a hearth pad and needs its own Class A chimney run through a wall or roof, which makes more sense for a home without an existing fireplace, like a den addition or finished basement. For most Kirkwood inquiries we see, the insert route is simpler and less expensive because it reuses infrastructure that's already there.
Will a wood stove work during a power outage?
Yes, and this is genuinely one of the better reasons to consider one in Kirkwood. St. Louis County sees periodic ice storms that can knock out Union Electric (Ameren Missouri) service for days at a time, and a wood stove or insert keeps burning with zero electricity required—no blower motors or electronic ignition to worry about. If backup heat during winter storms is your main motivation rather than daily use, a simpler non-catalytic stove is often the right call over a more complex catalytic model.
Are there any air quality restrictions on wood burning in Kirkwood?
No—Kirkwood and St. Louis County don't carry the wintertime inversion or non-attainment designations you'll find in basin cities out West, so there are no seasonal burn curtailment periods to worry about here. That doesn't mean anything goes: a well-installed, EPA-certified stove burning seasoned hardwood produces far less smoke and neighbor complaints than an old smoke dragon burning green wood, so it's worth doing both parts right.
What size wood stove do I need for Kirkwood's climate?
Given Kirkwood's relatively mild winter lows (averaging 25°F) and moderate heating degree day count, most homeowners here are better served by a small to medium stove—generally in the 1,000 to 1,800 square foot heating range—used for supplemental warmth in a single room or open living area rather than whole-home heating. A large, high-output catalytic stove built for sub-zero, 20-hour burns is usually overkill for this climate and can lead to overheating and creosote buildup from being run at a smolder. A local dealer can size it against your specific room and insulation.
Wood vs. gas—which makes more sense for a Kirkwood home?
Gas wins for most Kirkwood homeowners, and it's not close. Natural gas service is widely available through Spire Missouri across the St. Louis area, so a direct-vent gas insert or fireplace gives you instant, thermostat-controlled heat with no wood handling, no chimney sweeping, and no ash. Wood makes sense in narrower cases: you already have a working masonry fireplace, you want a genuine wood fire for atmosphere, or you specifically want heat that keeps working with zero electricity during an ice storm outage. If none of those apply, gas is almost always the simpler, cheaper, and more common choice locally—which is exactly why most Kirkwood hearth dealers lead with gas rather than wood.
Why is my open fireplace making my house colder?
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.
Why won't my new wood stove get going like my old one?
New wood stoves are 70%+ efficient, so far less heat goes up the flue—which also means less draft to get a fire established. The rule: build a genuinely hot fire for about 45 minutes before you choke it down. Skip that and you get smoke in the room, creosote in the chimney, and a fire that never takes off. Most performance complaints trace straight back to this.
Can I install a fireplace myself?
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.
What is an in-home preview and do I need one?
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.
Nearby Dealers
Hearth shops serving Kirkwood and the surrounding area.
All Gas Installation & Fireplace, Inc.
Gas Works, Inc. - Saint Loius
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