Keep Your Family Warm and Safe—No Matter What

For heat, not really—with only 56 heating degree days a year and winter lows averaging 63°F, a wood stove will sit unused most winters. But a real wood-burning fireplace still shows up occasionally in Key West, usually in historic Old Town homes for architectural authenticity, in vacation properties where owners want the look and smell of a real fire, or for the handful of nights each winter when a cold front pushes temperatures into the 40s. If warmth is the actual goal, an electric fireplace on FPL power will get you there for a fraction of the cost and complexity.

Expect to pay more than you would in a market where wood heat is common—typically $6,000 to $12,000 for a proper vented masonry or factory-built wood fireplace, once you account for the limited pool of Keys-based installers, materials trucked or barged down the Overseas Highway, and hurricane wind-load requirements on any new chimney structure. Because demand is so low, most hearth dealers who serve Key West are based in Miami-Dade and travel down for the job, which adds to both the quote and the lead time.

Many of Old Town's historic Conch houses have decorative masonry fireplaces that were rarely used even when they were built and often haven't been swept or inspected in decades. Before burning anything, get a Level 2 chimney inspection to check the flue liner, mortar joints, and structural soundness—coastal humidity and salt air are hard on old masonry. If the fireplace isn't structurally sound for wood, a vent-free gel-fuel or electric insert is a common workaround that preserves the historic look without the flue work, and it sidesteps a Historic Architectural Review Commission (HARC) review, which any exterior chimney changes in the historic district would otherwise require.

Local hardwood hammocks include oak, mahogany, and pine, but the Keys have no commercial firewood industry—there's no national forest land here and no cutting permits to speak of. Anyone who does install a working wood fireplace typically has firewood trucked down from mainland Florida, which adds delivery cost on top of the wood itself. Given that reality, most Key West owners who want a wood fireplace burn only occasionally, for a fire on a rare cool evening rather than as a heat source they restock every winter.

Yes—any new fireplace or chimney structure requires a building permit through the Monroe County Building Department or the City of Key West, depending on your address. If your home sits within the Key West Historic District, exterior chimney work also needs sign-off from the Historic Architectural Review Commission (HARC), since visible changes to historic structures are regulated closely. New construction also has to meet Florida's high-velocity hurricane wind-load standards, which affects how a masonry chimney is engineered and anchored.

Key West sits at roughly sea level with significant storm surge exposure, and many homes are elevated on piers per FEMA flood requirements. A masonry chimney adds weight and wind resistance that has to be engineered into the structure, not bolted on as an afterthought—this is one of the biggest reasons wood fireplace installs cost more here than in a typical mainland market. Factory-built, zero-clearance wood fireplaces with metal chimneys are generally easier to engineer for hurricane wind loads than full masonry chimneys, and a local installer familiar with Keys construction will know which approach your home can actually support.

Electric fireplaces are the practical default here. Florida Power & Light serves the entire island at a residential rate around 13.7 cents per kWh, and an electric fireplace or insert typically installs for a few hundred to about $1,200 with no chimney, no venting, and no historic-district review required. For a climate with almost no heating demand, electric gives homeowners the visual and ambient appeal of a fire—including realistic flame effects in many modern units—without any of the structural or fuel-supply complications a wood installation brings in the Keys.

No—Monroe County has no wood-burning air quality restrictions or non-attainment designations, unlike inversion-prone inland cities. Burning is essentially a non-issue from a regulatory standpoint here; the practical barriers to wood heat in Key West are climate, cost, and construction, not air quality rules.

Wood delivers a real fire, but in a climate with only 56 heating degree days a year, it's an aesthetic and historic-preservation choice rather than a heating one—and it comes with hurricane-rated chimney engineering, HARC review in Old Town, and firewood trucked in from the mainland. Electric, running on Florida Power & Light at about 13.7 cents per kWh, delivers ambiance and supplemental warmth for the rare cool snap with a fraction of the installation cost and none of the structural considerations. For nearly all Key West homeowners, electric is the fit; wood is for the small number of people who specifically want the real thing in a historic property.

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.

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.

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.