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Wall and Floor Furnaces in Older Santa Barbara Homes

Living with an old wall or floor furnace: safety basics, signs it's near the end, and the replacement options, including ductless heat pumps.

November 9, 2026

Plenty of older homes and apartments around Santa Barbara still heat with a gas wall furnace, set into an interior wall, or a floor furnace under a grate in the hallway. They're simple and they've lasted, but many are decades old now.

Safety basics

  • Keep things clear. Floor furnace grates get very hot: keep rugs, furniture, curtains and toys off and away from them, and teach children and pets to stay off. Keep the front of a wall furnace clear too.
  • Carbon monoxide alarms. Every home with gas heat should have working CO alarms, near sleeping areas and on each level. See carbon monoxide and your furnace.
  • Look at the flame, where you can see it. It should be mostly blue. A lazy, yellow or orange flame, soot around the furnace, or a smell of exhaust means turn it off and have it checked.
  • Have it inspected before the cold months, especially the venting, the burner and the heat exchanger.

Signs it's near the end

  • Rust, cracks or soot around the heat exchanger or burner area
  • The pilot keeps going out
  • Parts are hard to find for the model
  • Rooms far from the furnace never warm up
  • It's simply very old; many wall and floor furnaces still running were installed generations ago

Replacement options

  • A new wall furnace in the same spot: the simplest swap, though it still heats one area best and doesn't cool.
  • A ductless heat pump: wall or ceiling units in the rooms you use, with heating and cooling, and no ducts to build. Often the best fit for a house that never had ducts. See mini-split or central air.
  • A ducted system, where there's room in an attic or crawlspace for ducts.

Replacing gas heat with a heat pump may also qualify for rebates. See HVAC rebates in Santa Barbara.

Want someone to look at yours? Call 805-965-6326 or send us a message. Quotes on new and replacement equipment are free.

Related

More tips on heating, heat pumps.

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