Heating Repair in San Jose, CA
Furnace, heat pump, ductless, and whole-home heating system diagnostics, repairs, and tune-ups for homes across Santa Clara County and the greater Bay Area.
- Most Repairs Completed Same Day
- Financing Available
- Up to 10-Year Manufacturer Warranty + 1 Year Labor
- Licensed & Insured in CA: #1060833
Fully Certified HVAC Company
Heating Repair in a Bay Area Home Is Not a Simple Fix
Homes throughout this region were constructed across seven decades of varying building codes, duct configurations, and electrical setups. A 1960s ranch in Willow Glen, a two-story in Almaden, a Peninsula home with an addition that never had adequate airflow: each one presents a different heating problem, and the repair is only part of the solution.
San Jose Heating and Cooling has spent 20+ years diagnosing and repairing heating systems across Santa Clara County and the surrounding Bay Area. Before we recommend any repair, we evaluate what your home actually requires: system age and condition, ductwork integrity, thermostat performance, and whether heat loss through a poorly insulated attic is forcing your system to overwork. That is how a heating repair ends up actually solving the problem instead of masking it until next winter.
Years of experience
An HVAC Company Trusted by the Locals
We measure our success by the relationships we keep, and our customers agree: 4.8/5 stars across 85+ Google reviews.
“We recently had San Jose Heating and Cooling install a new heat pump in our house, and the experience was top-notch from start to finish. A special shout-out to Armando, who …”
Ohad M.
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“I recently had a brand-new AC unit and furnace installed, and I couldn’t be happier with the experience. From start to finish, the entire team was professional, respectful, and extremely knowledgeable…”
Moshe M.
MM
“I recently hired San Jose Heating and Cooling to clean out my attic and replace the insulation, and I couldn’t be happier with the results. The team did a phenomenal job transforming …”
California R.
CR
Heating Systems We Diagnose and Repair
Furnace Repair
For homes with central heating and existing ductwork, furnace repair is the most direct way to restore consistent warmth throughout the house. We diagnose your system based on what is actually failing rather than defaulting to part replacements that do not address the root cause. Common issues include faulty igniters, cracked heat exchangers, failing blower motors, and restricted airflow from aging ductwork. Accurate diagnosis means a repair that lasts rather than one that returns in another season.
Ductless Mini-Split Heating Repair
Mini-split systems handle the heating challenges that central systems cannot reach: additions with no duct connections, converted garages, upstairs rooms that stay colder than the rest of the house, and older homes where full ductwork was never installed. When a mini-split zone stops heating properly, the cause can range from refrigerant issues to sensor faults or communication errors between the indoor and outdoor units. San Jose Heating and Cooling is a Mitsubishi authorized dealer with technicians trained specifically on these systems.
Heat Pump Repair
A heat pump operates as a year-round system, cooling in summer and reversing direction to heat in winter. When it stops heating efficiently or fails to switch modes, the cause is not always obvious without proper diagnostics. Reversing valve failures, refrigerant pressure problems, and defrost cycle malfunctions are among the more common culprits in the Bay Area climate. We diagnose and repair heat pump systems from all major manufacturers and can assess whether a repair is the right call or whether replacement makes more financial sense.
Heating System Troubleshooting
Some heating problems do not point to one obvious component. The system runs but the house never warms up, the heat short cycles on and off, certain rooms stay cold, the thermostat stops responding, or the unit makes noises it never made before. These symptoms can trace back to thermostat and control failures, electrical faults, airflow restrictions, or a mechanical part that is starting to wear out. We test the full system to find the actual source, then repair it so the same symptom does not come back a few weeks later.
Heating System Tune-Ups and Maintenance
Not every heating service call involves a breakdown. Seasonal maintenance catches small issues before they become expensive failures and keeps your system running at the efficiency it was designed for. A proper tune-up includes cleaning burners and heat exchangers, checking refrigerant or gas pressure, testing safety controls, inspecting ductwork connections, and verifying thermostat calibration. If your heating has not been serviced in more than a year, a tune-up before the cold months is worth scheduling.
Our Heating Repair Process
Every repair follows the same structured approach, whether it is an emergency call or a scheduled diagnostic visit.
In-Home Diagnostic
We inspect the full system, not just the component that seems to be failing. Ductwork condition, thermostat settings, electrical connections, and the mechanical components of the unit are all checked before we identify the cause. You get a clear explanation and a firm price, not a range.
Repair Recommendation
We explain what we found and what it will take to fix it. If the repair makes sense given the age and condition of the system, we proceed. If the system is close to end of life and the repair cost approaches replacement cost, we say so honestly and explain your options.
Repair Execution
Parts are sourced from the manufacturers we are certified with, and all work is completed to California code and manufacturer specification. We do not cut corners on refrigerant handling, gas line connections, or electrical work.
Testing and Walkthrough
After the repair, we run the system through its full operating range to confirm the fix held. We check temperatures, cycle times, and airflow before wrapping up. Before we leave, we walk you through what was done and what to watch for going forward.
If you are not certain which side of the line you are on, we will tell you honestly. Many of the systems we inspect have years left in them, and we would rather say so than recommend a replacement you do not need.
Repair or Replace? How to Tell
A heating system rarely fails without warning. These are the signs that putting more repair money in has stopped making sense.
- The system is 15 to 20 years old. Beyond that range, efficiency has typically declined enough that a replacement partially offsets its own cost through lower monthly bills.
- Repairs are starting to repeat. One repair is maintenance. Two or three in a couple of seasons is a pattern, and those costs add up against the price of a new unit.
- Bills are rising without a change in usage. A struggling heating system draws more energy to produce less heat. If your habits have not changed but your utility bill has, the equipment is the variable.
- Some rooms never reach a comfortable temperature. Uneven heating usually points to sizing problems, airflow issues, or ductwork failures that a repair will not solve on its own.
- The system still runs on outdated equipment or refrigerant. Older systems using discontinued refrigerants become harder and more expensive to service as parts and materials grow scarce. A significant failure on one of these units often makes replacement the more sensible financial decision.
- New noises or smells at startup. Banging, grinding, or a burning smell when the heat kicks on requires a technician to look at it before the system is run again. Sometimes the diagnosis is end of life.
What Sets Our Heating Repairs Apart
Ductwork and Insulation Handled by the Same Team
A repaired heating system connected to leaking ducts and an under-insulated attic will never perform the way it should. San Jose Heating and Cooling handles ductwork and attic insulation in house, so the full system is addressed in one project rather than spread across multiple contractors and separate scheduling.
Electrical Work Covered Under Our License
Heating repairs sometimes uncover wiring issues or panel limitations that need to be corrected before the system can run safely. Our California license covers that electrical work, so a wiring problem does not delay your repair while you wait on a separate contractor.
Certified Across Five Major Brands
San Jose Heating and Cooling is Diamond Certified, a Bryant dealer, and certified with Carrier, Mitsubishi, Goodman, and Amana. Our technicians receive manufacturer training on the equipment they service and stay current as systems and standards evolve.
Licensed and Insured in California
Fully licensed in California (#1060833) with standard liability and workers’ compensation coverage, so qualified, accountable technicians are handling the work in your home.
Warranty Coverage on Every Repair
Parts installed during a repair carry applicable manufacturer warranties, and our own workmanship is backed by a 1-year labor warranty. If something comes up after we leave, you call us and we make it right.
Financing Your Repair
An unexpected heating repair is not something most homeowners plan for. When you receive your invoice, you will have the option to apply for financing right then and there, so a repair you need does not have to strain your budget all at once.
Ready to Get Your Heat Working Again?
Whether you are dealing with a system that stopped working overnight or one that has been underperforming for months, we are here to help. Fill out the form below and we will get back to you the same day, or call us directly to schedule your visit.
Serving San Jose and the Greater Bay Area
Your home comfort starts close to home. San Jose Heating and Cooling provides heating repair services for homeowners across Santa Clara County, with coverage extending into San Mateo, Alameda, and Contra Costa Counties.
Santa Clara County, CA
- San Jose
- Mountain View
- Palo Alto
- Santa Clara
- Sunnyvale
- Cupertino
- Milpitas
- Campbell
- Los Gatos
- Morgan Hill
San Mateo County, CA
- Redwood City
- Menlo Park
- San Mateo
- Foster City
- Belmont
Alameda County, CA
- Oakland
- Berkeley
- Fremont
- Livermore
- Pleasanton
Contra Costa County, CA
- Concord
- Martinez
- San Ramon
- Hercules
- San Pablo
- Also serving Vallejo
How quickly can you respond to a heating repair call?
We offer same-day appointments and 24/7 emergency service across the Bay Area. If your heat is out, call us directly and we will get a technician to you as soon as possible.
How do you figure out what is wrong with my heating system?
We inspect the full system before drawing any conclusions. That includes the mechanical components, ductwork condition, thermostat calibration, electrical connections, and gas or refrigerant pressure depending on the system type. You get a clear explanation of what we found and a firm price before any work begins.
Do you offer financing for heating repairs?
Yes. When you receive your invoice, you can apply for financing right then and there so an urgent repair fits within your budget.
What warranty applies to heating repair work?
Parts installed during a repair carry applicable manufacturer warranties, and our own workmanship is covered by a 1-year labor warranty.
Which heating system brands do you service?
We are certified with Bryant, Carrier, Mitsubishi, Goodman, and Amana, and we service all major heating brands. Certification means our technicians are manufacturer-trained on the equipment they work on.
Can you repair a heating system in a home with no ductwork?
Yes. We service ductless mini-split systems, which are built for homes, additions, and converted spaces without ductwork. Our technicians are trained to diagnose and repair them, including multi-zone setups.
How do I know if I should repair or replace my heating system?
System age, repair history, and operating costs all factor into the decision. If your system is under 15 years old with a clean repair history, repair is usually the right call. If it is older, has needed repeated service, or the repair cost approaches a significant portion of replacement cost, replacement may be the better long-term investment. We will walk you through both options honestly during the diagnostic visit.
Will my electrical panel need attention as part of a heating repair?
Occasionally, particularly in older homes where wiring has not been updated. We check electrical connections and panel capacity as part of our diagnostic process, and because our license covers electrical work, any necessary corrections can be handled as part of the same service call.
Do you offer emergency heating repair service?
Yes. San Jose Heating and Cooling offers 24/7 emergency service along with same-day appointments throughout the Bay Area.
Do you serve my neighborhood?
Most likely. We serve all of Santa Clara County, reach into the San Mateo Peninsula, and cover parts of Alameda and Contra Costa Counties, including up to Vallejo. Reach out and we will confirm your address.