Fireplaces, matched to San Francisco's Victorians, condos, and fire codes.

Gas and electric, in almost every case. San Francisco's climate zone 3C winters average around 47°F with a short, mild heating season—mild enough that a fireplace here is mostly about ambiance and backup warmth on foggy nights, not survival heat. Gas fireplace inserts are the most common upgrade for the city's Victorian and Edwardian homes, dropping a direct-vent unit into a masonry firebox that was originally built for wood. Electric fireplaces are the default for condos and apartments without a chimney or flue, and for HOA buildings that restrict any kind of combustion appliance. Wood stoves are essentially off the table for new installs—Bay Area Air Quality Management District Regulation 6-3 has barred new wood-burning devices in new construction and remodels since 2015—and pellet stoves are rare simply because most San Francisco housing stock doesn't have the venting chase or storage space for them.

Yes, in most cases. San Francisco's Department of Building Inspection issues permits for gas fireplace, gas insert, and gas stove installations, and any gas line work requires a licensed gas fitter through PG&E's service territory. Electric fireplaces typically don't need a building permit for plug-in units, but a built-in electric fireplace with a new dedicated circuit does require an electrical permit and licensed electrician sign-off. Because new wood-burning installations are prohibited under BAAQMD Regulation 6-3, there's essentially no permit path for a new wood stove or fireplace in the city—existing wood fireplaces can often stay in place, but replacing one usually means converting to gas or electric. Most local hearth retailers handle the DBI permit process as part of the installation.

Yes, and they're stricter here than in most counties. The Bay Area Air Quality Management District calls mandatory no-burn days during winter Spare the Air alerts—unlike some regions where curtailment is voluntary, San Francisco's are enforceable, with fines for burning wood on a declared no-burn day. EPA-certified gas fireplaces and gas inserts are exempt from these curtailment rules, which is a big part of why gas has become the default hearth fuel in the city. San Francisco also sits in a PM2.5 non-attainment area, and Northern California wildfire smoke adds a second layer of air quality concern most summers and falls—another reason local air officials discourage any new wood-burning installation inside city limits.

Yes—most San Francisco hearth retailers carry both gas and electric lines, since those are the two fuels that actually fit the city's housing stock. What varies is retrofit expertise: some dealers specialize in converting old masonry fireboxes in Victorians and Edwardians to direct-vent gas inserts, which requires understanding century-old chimney construction and venting clearances. Others focus more on new-construction and condo work, where a wall-mount or built-in electric unit goes into a space that never had a chimney at all. If your home has an existing masonry firebox, ask specifically about gas insert conversion experience—it's a different job than a straightforward new gas fireplace install.

Most gas techs, sweeps, and electricians serving San Francisco are based in the city or on the nearby Peninsula, so response times are generally faster than in rural counties—but street parking and building access (elevators, HOA scheduling, tight stairwells in older Victorians) can add time to a service call. Homes with a converted masonry-to-gas firebox still benefit from an occasional chimney inspection, since the original flue liner and clearances matter even after a wood-to-gas conversion. Gas units need annual pilot, valve, and venting checks; hardwired electric units rarely need more than a check on connections and the heating element. Scheduling early in fall, before Spare the Air season ramps up demand for gas service, tends to be easier than waiting for the first cold snap.

Gas fireplace, insert, or stove: roughly $5,000 to $12,000 in San Francisco, with cost driven mostly by whether you're converting an existing masonry firebox (lower end) or running new gas line and venting through a building with no existing chimney (higher end)—city labor rates also push installs above what you'd see in less expensive markets. Electric fireplace: $200 to $3,500 for the unit itself, plus $400 to $1,500 in labor for a built-in or wall-mount installation that involves a dedicated circuit; plug-in freestanding units need no installation labor at all. Wood and pellet installs aren't really part of the local cost picture—Regulation 6-3 blocks new wood-burning installs, and pellet stoves are rare enough that most retailers don't quote them as a standard line item. For exact numbers tied to your building type, see the county + fuel pages above.

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.

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.

Match the fuel to your life, not the other way around. Wood: lowest fuel cost and total power-outage independence, but you're hauling and stacking. Gas: press a button, set a thermostat, no maintenance to speak of. Pellet: wood economics with automatic feeding, in exchange for weekly cleaning and a need for electricity. Electric: plugs in anywhere with honest supplemental heat. Nobody regrets the fuel that fits how they actually live.

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.