Furnace Repair in Oakland
Oakland's climate is mild, summers in the flats rarely top 85 degrees and winter lows seldom drop below 40, so cooling has always been optional in much of the city and heating is what people actually run. The catch is the housing. The residential core from West Oakland through Rockridge and the Glenview is dominated by 1900s through 30s Craftsman bungalows with plaster walls, narrow stud bays, and frequently no central ductwork at all. A lot of those homes still heat with the original gravity wall furnace or floor furnace rather than a forced-air system.
Those old gravity units are where furnace repair in Oakland gets serious. They are simple, they are decades old, and a cracked heat exchanger or a failing gas valve on one of them is a carbon monoxide problem in a finished plaster house. We carry CO meters on every gas call and we check exchanger integrity and gas valve function before anything else. On these we are honest: parts for some of these vintage units are hard to source, and the safe answer is sometimes a replacement rather than a patch. We show you what we find on camera and let you decide with the facts in hand.
Where a home has a conventional forced-air gas furnace, the repairs are the usual ones, ignitor, flame sensor, draft inducer, control board. And when an old gravity furnace is genuinely at the end, that is often the right moment to talk about a ductless heat pump instead of forcing ducts into a bungalow that was never built for them. Oakland's mild winters keep a heat pump in its efficient range year-round. We run that comparison at the estimate, not over the phone.
What we run into in Oakland
Gravity wall and floor furnace safety inspection. Common in the older flats. These vintage gas units get a full CO reading, gas valve test, and heat exchanger check. They are old enough that a crack is a real possibility, and we will show you any finding on camera before we say a word about cost.
Forced-air furnace repair. On bungalows and mid-century homes that do have central forced air, we handle the standard no-heat failures: cracked ignitor, fouled flame sensor, worn draft inducer, intermittent control board. Parts on the truck for the common ones.
Carbon monoxide shutdown protocol. If we read dangerous CO levels or confirm a heat exchanger crack on any gas furnace, we shut it down before we leave and give you the documentation. In a tight plaster house that is not optional. The next step is yours, with the facts.
Hills versus flats system check. Montclair, Piedmont Pines, and Hiller Highlands run warmer than the flats and often have full forced-air or heat pump systems. We scope hillside condenser access and route diagnostics differently for grade-separated lots than for a flat bungalow.
When an old gravity furnace is done. If a vintage furnace is unsafe and parts are unavailable, replacement is the honest call. In a ductless Craftsman that is usually the moment to weigh a ductless heat pump over forcing in new ducts. We run that math and check current rebates at the estimate.
Furnace Repair in Oakland: common questions
Do you serve all of Oakland, hills and flats?
My old Oakland bungalow has a floor furnace. Is it safe to keep repairing?
How much is a furnace diagnostic, and what is the warranty?
Nearby and related
Furnace Repair near Oakland: Berkeley · San Leandro .
Other HVAC services in Oakland: AC Repair · Ductless Mini-Split · Heat Pump Installation & Service · HVAC Installation · Maintenance Plans .
Common furnace repair problems in Oakland: Furnace Blowing Cold Air · Furnace Not Heating .
See the full furnace repair overview or our Oakland service area.
Furnace Repair in Oakland
Free on-site assessment, written the same day.
Bay Area · 7am–7pm · 7 days · no overtime charges