Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable Furnace Repair Across Commerce
When your furnace quits in Commerce, the last thing you want is to sit around waiting for a callback. A failed heater in a city of warehouses, distribution centers, and older post-WWII homes creates real problems fast. Cold Harbour Heating and Air Los Angeles dispatches crews to Commerce daily, with a live person answering the phone at (213) 531-5904 around the clock. We know the local streets, the local building types, and the specific ways furnaces fail here. That local knowledge means faster diagnosis and a repair that lasts. You get a written price before any work starts, and every repair is covered by our 365-Day Done Right Promise.
Why Cold Harbour Heating and Air Los Angeles Is Commerce’s Preferred Furnace Repair Company
Commerce isn’t a typical residential suburb. The city has a small residential base, mostly post-WWII single-family homes and some apartment buildings, and a massive commercial footprint. Our technicians understand both worlds. A wall heater in a 1950s home near Bandini Boulevard needs a different approach than a rooftop package unit serving a warehouse off Telegraph Road. We bring that dual knowledge to every call.
Our 365-Day Done Right Promise is the foundation of how we work. If a repair fails within a full year, we come back and correct it at no charge. That guarantee is written down before the technician leaves, not spoken as a vague reassurance. Commerce homeowners and business operators alike have told us this is why they call us back for the next job. Victor Mancini, who leads our team, insists on the four written promises of The Kingswell Way on every ticket: say the price before the work, show up in the window given, leave the place cleaner than found, and put the guarantee in writing. Phones are answered live 24 hours a day, 7 days a week. No voicemail trees, no after-hours runaround.
Styles & brands we work with
Boiler Repair in Commerce
Boiler repair in Commerce is a specialized job we handle for the city’s older apartment buildings and a handful of single-family homes that still run hydronic heat. A boiler moves hot water or steam through pipes and radiators, and when a circulator pump or zone valve gives out, whole wings of a building can lose heat. Most Commerce boiler repairs run $150 – $700 depending on the failed component, with parts and labor included in the quote you approve before we start. We carry common parts like pressuretrols, aquastats, and circulator motors on our trucks serving Commerce.
Circulator Pump and Zone Valve Replacement
When tenants report cold radiators in just one section of an apartment building, the culprit is usually a failed circulator pump or a stuck zone valve. We diagnose these by checking for voltage at the valve, listening for pump operation, and comparing supply and return pipe temperatures. The replacement itself is a same-day job in most Commerce buildings.
Boiler Ignition and Safety Control Repair
Older boilers in Commerce apartment buildings often use standing pilots or intermittent ignition systems that wear out over decades of cycling. If the boiler won’t fire, we check the thermocouple, the gas valve, and the rollout switch before replacing anything. A failed rollout switch is a critical safety issue, and we never bypass one to get a system running. That’s the kind of repair we put in writing under the 365-day guarantee.
Gas Furnace Repair in Commerce
Gas furnace repair in Commerce covers the majority of residential heating calls we take here. Most homes in the city were built in the decades right after World War II, and many still have their original forced-air systems or retrofitted wall heaters. A gas furnace uses a burner, a heat exchanger, and a blower to move warm air through ducts. When any one of those components fails, the whole system stops. Gas furnace repair in Commerce runs $150 – $700 for most jobs, with the written price in your hand before a single tool comes out. We work on Goodman, Rheem, York, and Daikin systems regularly in Commerce.
Ignitor Replacement
A hot-surface ignitor is the piece that lights the gas in most modern furnaces. It’s a ceramic element that glows white-hot, and after years of heat cycling it simply burns out. A typical ignitor replacement for a Commerce home runs $150 – $280, and most take under an hour once we’re on site. If the ignitor is getting 120 volts but isn’t glowing, the ignitor is the fix.
Blower Motor and Capacitor Failure
A blower motor that won’t spin, or that hums and trips the breaker, usually points to a dead capacitor or a seized motor bearing. In Commerce, we see blower motors work harder than they should because dirty filters and clogged coils force them to pull against increased static pressure. Replacing a capacitor runs roughly $150 – $250, while a full blower motor swap can run $400 – $700 depending on the unit.
Trusted Brands We Service in Commerce
Our technicians are factory-trained to service nine major residential HVAC brands including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. That means the technician who arrives at your Commerce home or warehouse already knows the wiring, the control board logic, and the common failure points of your specific system. We keep common parts on our trucks, and for parts we don’t carry, our Los Angeles supply chain gets them to Commerce quickly. No cobbled-together mismatched fixes. The right part, installed right, backed by the 365-Day Done Right Promise.
See the difference
Before
After
Before
After
Before
AfterCommon Furnace Repair Problems We See in Commerce Homes
- Clogged condenser coils from truck dust. Constant diesel soot and road dust from Telegraph Road and Bandini Boulevard settles on outdoor coils faster than most homeowners expect. A clogged coil forces the refrigerant pressures up, which overheats the compressor and blows capacitors. We recommend coil cleaning twice a year in Commerce even if you clean your filters monthly.
- Heat exchanger cracks from temperature swings. The temperature difference between a cold warehouse interior and the hot Southern California sun puts real stress on heat exchangers. When metal expands and contracts daily, micro-cracks can form, and those cracks are a carbon monoxide risk as well as a performance problem.
- Blower motor failures during heat waves. When a neglected filter chokes airflow, the blower motor pulls higher amperage and runs hotter than it’s rated for. We see this every summer in Commerce; the first 95°F week brings a wave of blower motor calls from homes and warehouses alike.
- Gas valve and flame sensor issues. A furnace that fires up and immediately shuts down usually has a flame sensor coated in carbon, or a gas valve that’s no longer opening fully. Both are straightforward fixes for us, but a homeowner should not attempt gas valve work without a trained professional there.
Pricing for Furnace Repair in Commerce, CA
Here’s the honest breakdown for Commerce. Most residential furnace repairs fall between $150 and $700 depending on the failed component.
| Service | Typical Price Range in Commerce |
|---|---|
| Furnace Repair | $150 – $700 |
| AC Repair | $150 – $650 |
| Tune-Up | $80 – $200 |
A simple ignitor swap on a Goodman sits at the low end. A blower motor replacement or heat exchanger seal job lands near the top. We hand you a written price before any work begins, and that number does not change at the door. Estimates are free, and you can call (213) 531-5904 to get one started. No obligation, just a real number from a technician who’s seen your exact furnace type before.
We Also Serve Cities Near Commerce
Beyond Commerce, our crews take Furnace Repair in Commerce level service to Los Angeles, Glendale, Burbank, and South Gate. If you have a warehouse or a home in any of these nearby cities, the same written guarantee and same live-answer phone line apply. Call (213) 531-5904 to schedule.
Serving Commerce, CA - Our Local Coverage Area
We’re based in the Commerce area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Furnace Repair in Commerce
Rooftop furnaces on Commerce warehouses fail during the first heat wave because the condenser coils are clogged with dust from truck traffic along Telegraph Road and Bandini Boulevard. The constant diesel soot and road dust settle on the coils, restrict heat transfer, drive up refrigerant pressures, overheat the compressor, and trip the breaker. The first 90°F+ week is when these systems give out. Call (213) 531-5904 to book a pre-heat-wave inspection and avoid a shutdown when the shift is counting on the HVAC.
A Commerce warehouse rooftop unit should have its condenser coil cleaned twice a year. The truck traffic along Telegraph Road and Bandini Boulevard puts far more airborne dust on the coils than a typical residential neighborhood sees. If the building has loading docks or sits within a block of a major truck route, quarterly cleaning is the safer interval. Our tune-up includes a coil condition check and full cleaning for $80 – $200.
Yes, a dirty condenser coil can cause a blower motor to fail in a Commerce furnace or rooftop unit. When the coil is clogged, the system runs hotter and harder, and the compressor pulls more amperage. That increased electrical load strains the capacitor and the blower motor, shortening both. In our experience with Commerce warehouses specifically, we’ve had a rooftop unit off Bandini Boulevard fail because a coil caked with truck dust pushed the compressor far out of spec. A coil cleaning earlier that season would have prevented the $600 blower motor replacement. Call (213) 531-5904 if you’re seeing short cycling or a unit that can’t hold temperature.
The most common furnace repair issue in Commerce’s older post-WWII homes is a failed ignitor in a retrofitted gas furnace or wall heater. These homes were built before central air and forced-air heating became standard, so many systems are conversions or wall units with aging hot-surface ignitors. The ignitor burns out from years of cycling, and the furnace simply won’t light. Most ignitor replacements run $150 – $280. Call (213) 531-5904 for a same-day diagnosis.
Yes, we service boiler systems in Commerce apartment buildings, including those with hydronic radiators and older standing-pilot boilers. We handle circulator pump replacements, zone valve repairs, and safety control replacements. A typical boiler repair runs $150 – $700. The guarantee is the same for commercial boiler work: if the repair fails inside 365 days, we return and fix it at no charge. Call (213) 531-5904 to get a technician on site at your building.
When your furnace or rooftop unit fails in Commerce, you can reach a live person at (213) 531-5904 any hour of any day. We’ll give you a firm arrival window, a written price, and a written guarantee that covers the repair for a full year. That’s the Coldharbour way, and it’s how we have operated since 2003.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Los Angeles, serving Commerce and the surrounding cities.