Find your fireplace for California's climate—and its air-quality rules.

One state, five climates, and a patchwork of burn rules.

California's heating needs shift dramatically by region. Coastal cities like San Francisco and San Diego sit in a mild marine band with heating degree days as low as 1,400-2,800—a gas insert or electric unit covers most winters there. The Central Valley, from Sacramento to Bakersfield, runs hotter summers with cold, foggy winter nights, often 2,000-2,800 HDD. Head up into the Sierra Nevada—Truckee, South Lake Tahoe, Mammoth Lakes—and you're in genuine alpine territory, with HDD counts rivaling Bozeman, MT or Duluth, MN, where a wood stove or high-output gas insert isn't a lifestyle choice, it's how the pipes don't freeze. Desert communities like Palm Springs barely need supplemental heat at all.

Climate is only half the equation here. California's local air districts—Bay Area AQMD's Spare the Air program, the San Joaquin Valley APCD, South Coast AQMD—restrict wood-burning appliance use on high-pollution days, and many cities prohibit new wood-burning fireplace installs entirely. Gas fireplace installs run through Title 24 energy compliance, and a growing number of California cities have pushed all-electric requirements for new construction. A trusted local dealer knows the current rules for your specific air district and jurisdiction—something a big-box store or an out-of-state retailer won't. That's what we route you to: a real local pro, permits and venting sized correctly, no guesswork on what's actually legal to install where you live.