No heat
Thermostat, power, gas supply, ignition and control-board testing to find why the furnace will not fire.
FURNACE REPAIR · HERCULESFurnace Repair
Furnace Repair
in Hercules, CA.
Furnace not lighting, short cycling or blowing cold air? HAXX repairs gas furnaces across Hercules and checks venting and safety on every visit.
Serving Victoria by the Bay, Village Park, Hercules by the Bay, Olympian Hills, Foxboro and the Waterfront and the rest of Hercules. Share your address to confirm availability.
4.8 rating · 515+ reviewsHVAC & electrical, one teamPermits handledCA Lic #1081990
Furnace problems
we fix.
Gas furnaces in attics, closets, garages and crawl spaces. Every repair visit includes basic safety checks on the burners and venting.
Igniter and flame sensor faults
Furnaces that click, light and shut off are often a dirty flame sensor or a failing hot-surface igniter.
Blower runs but air is cold
Limit switches, pressure switches and inducer motors checked in order.
Short cycling
Overheating from restricted airflow, a dirty filter or an oversized furnace.
Noises and smells
Banging, squealing or a burning smell checked before the next cold night.
Safety checks
Venting, heat-exchanger visual check and carbon monoxide concerns raised in plain language.
HERCULES DETAILSFurnace repair in
Furnace repair in
Hercules.
Gas forced-air furnaces still heat most single-family homes in Hercules, usually in a garage, attic or hall closet. Many original units have already been replaced once.
01
Common failures
Hot surface igniters, flame sensors, inducer motors and pressure switches cause most no-heat calls.
02
Safety check
Each visit includes a look at the flue, heat exchanger and carbon monoxide risk.
03
Future rules
Bay Area Air District rules limit sales of new gas furnaces starting in 2029. They apply to new units, not to repairing the one you have.
What customers say
about HAXX.
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.”
HOW A REPAIR VISIT WORKSFrom the first call
From the first call
to a working system.
01
Tell us the symptom
Brand, model and what it is doing. Photos of the label or error code help.
02
Diagnose on site
The technician tests the system and finds the cause, not just the symptom.
03
Approve the price
You see the repair price before work starts, and the options if a repair is not worth it.
04
Fix and test
The repair is completed and tested, or scheduled once the part arrives.
HAXX ON SITEReal work.
Real work.
Real homes and businesses.
A closer look at recent heating and cooling work by HAXX.
THE PEOPLE BEHIND THE WORKHands-on work.
Hands-on work.
A real look inside.
On site during a commercial VAV box repair: access above a suspended ceiling, equipment and the work in progress.
Explore recent projectsRecent Projects
System Recharge and Brazing Correction
System recharge and brazing correction.
Carrier Furnace Diagnosis and Repair
Carrier furnace diagnosis and repair.
Attic Plenum Resealing
Attic plenum resealing.
Gas Furnace Service
Gas furnace service.
Heat Pump Installation
Heat pump installation.
Outdoor Heat Pump Installation
Outdoor heat pump installation.
Heat Pump Air Handler Installation
Heat pump air handler installation.
Heat Pump Air Handler Service
Heat pump air handler service.
GOOD TO KNOW
Furnace Repair in Hercules: questions, answered.
Can I still repair my gas furnace in Hercules?
Yes. The Bay Area Air District rule covers sales of new furnaces from 2029. Repairs to existing furnaces are not affected.
Why does my furnace turn on and then shut off?
A dirty flame sensor, a clogged filter causing overheating or a failing pressure switch are the usual causes. HAXX tests each one.
Should I replace my furnace with a heat pump?
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.
Is it safe to run a furnace that smells like gas?
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.
LET’S TALK ABOUT YOUR PROPERTYTell us what you need.
Tell us what you need.
We’ll start there.
Share the property, equipment and questions you have in mind.
(408) 901-8315
Call HAXX to discuss your property and scheduling.