No heat
Thermostat, power, gas supply, ignition and control-board testing to find why the furnace will not fire.
Furnace not lighting, cycling off or blowing cold air in Palo Alto? HAXX repairs gas furnaces and says clearly when a replacement makes more sense.
Serving Crescent Park, Old Palo Alto, Professorville, Midtown, Barron Park and Greenmeadow and the rest of Palo Alto. Share your address to confirm availability.

Gas furnaces in attics, closets, garages and crawl spaces. Every repair visit includes basic safety checks on the burners and venting.
Thermostat, power, gas supply, ignition and control-board testing to find why the furnace will not fire.
Furnaces that click, light and shut off are often a dirty flame sensor or a failing hot-surface igniter.
Limit switches, pressure switches and inducer motors checked in order.
Overheating from restricted airflow, a dirty filter or an oversized furnace.
Banging, squealing or a burning smell checked before the next cold night.
Venting, heat-exchanger visual check and carbon monoxide concerns raised in plain language.
Gas in Palo Alto comes from the City's own utility, CPAU, and many homes in Midtown, Barron Park and College Terrace still rely on a closet, attic or crawlspace furnace.
Ignitors, flame sensors, inducer motors, pressure switches and control boards. HAXX carries the usual parts.
Every furnace call includes checks of venting, the heat exchanger and carbon monoxide risk.
Bay Area Air District rules restrict the sale of new gas furnaces starting in 2029. Repairs are not affected, but it shapes the next replacement.
Rated 4.8 across 515+ reviews on Housecall Pro, Google and Facebook. Read more reviews.
“Thorough diagnostics of A/C system, identified and repaired the issue quickly!”
“Service was performed well and on time. Service person was highly skilled and provided easy to understand options to deal with the issue. Price for diagnostics was reasonable and easy to pay online.”
“Our commercial building had several HVAC problems, and their team carefully diagnosed each unit, explained the available options, and never pressured us into unnecessary replacements. They worked hard to repair what could be repaired and kept us informed throughout the process.”
Brand, model and what it is doing. Photos of the label or error code help.
The technician tests the system and finds the cause, not just the symptom.
You see the repair price before work starts, and the options if a repair is not worth it.
The repair is completed and tested, or scheduled once the part arrives.
A closer look at recent heating and cooling work by HAXX.

On site during a commercial VAV box repair: access above a suspended ceiling, equipment and the work in progress.
Explore recent projects
System recharge and brazing correction.

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Attic plenum resealing.

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Outdoor heat pump installation.

Heat pump air handler installation.

Heat pump air handler service.
Yes. HAXX repairs all major furnace brands. The 2029 Air District rule covers sales of new furnaces, not repairs.
Common causes are a dirty filter, a failed blower, leaking ducts or a flame sensor shutting the burners down. HAXX checks each.
If the furnace is old or the repair is expensive, it is worth pricing a heat pump, which also adds cooling. HAXX can quote both.
No. Turn it off, leave the house if the smell is strong, and call PG&E or 911. Call HAXX for the repair once the area is safe.
Share the property, equipment and questions you have in mind.
(408) 901-8315
Call HAXX to discuss your property and scheduling.
