Furnace & heating
AC repair
Ductless mini splits
TraneSeasonal 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 El Monte
Furnace repair in El Monte typically costs between $150 and $700, depending on the part that failed and what the system’s age has done to the surrounding ductwork and electrical. Most calls we handle in El Monte are completed same-day, because our crews run local routes through the San Gabriel Valley and stock common parts on the truck. If your furnace is down, call us at (626) 657-5344 and you’ll get a real person on the line who can schedule a technician to your El Monte home.
We know El Monte’s housing stock. Many of the homes here were built between the 1950s and 1970s, and a furnace repair in those houses rarely stays a simple parts swap. What starts as a dead ignitor can turn into a conversation about a maxed-out 100-amp panel or original galvanized ductwork in the crawl space. That’s exactly the kind of repair call we do every week. Our Furnace Repair team treats an older El Monte home as its own puzzle, not a copy of the last job.
Why Dalton Heating & Air Pasadena Is El Monte’s Preferred Furnace Repair Company
The brand behind the trucks is Garrison Partners, in operation since 2003 and held to The Garrison Standard on every job. That means a few things El Monte homeowners tend to appreciate after dealing with the other kind of contractor: the price is in writing before any work starts, the repair is guaranteed in writing for a full year, and if that repair fails inside that window we return at no charge under the 365-Day Done Right Promise. No fine print. No upgrade pitch tied to the warranty.
When you book with us, you know who is coming. Background-checked, uniformed technicians show up inside the stated window. The call center is staffed by a live person 24/7, so when a furnace dies at 11 p.m. in an El Monte December cold snap, you’re not leaving a voicemail and hoping. Marco Benitez runs the crews, and the expectation he sets is simple: do the job by the book, leave the site clean, and stand behind the work for a full year. That’s The Garrison Code, and it applies to every single call in El Monte.
Styles & brands we work with




Furnace Tune Up in El Monte
A Furnace Tune Up in El Monte runs $80 to $200 and is the single most productive hour of maintenance an older home can get before winter. In our experience, the tune-up is where you catch the problems that turn into no-heat calls later: a dirty flame sensor, a weak capacitor, a burner that’s burning orange instead of blue, or a blower wheel packed with years of dust from crawl-space air.
What We Inspect
Our techs run the full combustion analysis, check the heat exchanger for cracks with a camera, test the amperage draw on the blower motor, and measure static pressure. That last test matters a lot in El Monte, where original galvanized ducts in a crawl space can quietly choke airflow to the point that a furnace overheats and trips its limit switch.
Why Older Homes Need It More Often
If your El Monte home still has its original floor furnace or wall heater, the tune-up checklist looks a little different. We inspect the firebox and vent, clean the pilot assembly, and check the clearances. But we also tell you plainly if the unit is past its safe service life. Some of them are, and it’s better to know that in October than on a cold night in January.
Emergency Furnace Repair in El Monte
Emergency Furnace Repair in El Monte is available around the clock, and the cost lands inside the same $150 to $700 range as a standard repair. We don’t charge an overtime premium for after-hours calls. When a furnace dies during a cold snap, or when a floor furnace won’t light in a house with a newborn, waiting until Monday isn’t reasonable. We answer the phone at 3 a.m. with a real person, and we dispatch a technician to El Monte that same night when needed.
Same-Day Response
Because our scheduling is coordinated from the Los Angeles office and crews run El Monte routes daily, most evening and overnight calls get a tech within hours, not days. The truck carries the most common repair parts: ignitors, flame sensors, capacitors, gas valves, pressure switches, and blower motors for the major brands.
When the Repair Runs Deeper
Not every emergency is a single part. In an older El Monte home, the furnace might trip the breaker every time it tries to light, or the heat might run nonstop while the bedrooms stay cold. We diagnose that on the spot, give you a written price for what it actually needs, and if the repair is safe to do that night, we do it that night. If it needs a panel upgrade or duct work, we quote it clearly and schedule it.
Trusted Brands We Service in El Monte
We’re factory-trained to service nine major residential HVAC brands, with deep experience on the four we see most in El Monte: Carrier, Trane, Lennox, and Goodman. That matters because an original Lennox furnace in a 1962 ranch near Mountain View Park has different failure points than a Goodman installed in a 2000s infill house off Lower Azusa Road. Our techs know which ignitor, gas valve, and board each one takes, and we keep the common parts stocked for El Monte customers so we don’t lose a day waiting on a warehouse. We service all nine brands we’re factory-trained on; we just happen to open a lot of Lennox and Carrier furnaces in El Monte specifically.
See the difference
Before
After
Before
After
Before
AfterCommon Furnace Repair Problems We See in El Monte Homes
- Maxed-out 100-amp panels tripping when the blower starts. The older furnaces in El Monte’s 1950s-to-1970s homes often draw hard on startup. When the blower motor or a heat strip kicks on, a maxed-out 100-amp panel trips and kills the heat. That’s a panel problem as much as a furnace problem, and we’ll tell you which it is before quoting anything.
- Corroded galvanized ducts in crawl spaces. Original ducts from the Eisenhower and Nixon eras rust, separate at the seams, and leak heated air into the crawl space. The furnace runs constantly, the living room never warms up, and the gas bill climbs. A static pressure test shows the real culprit fast.
- Floor furnaces that fire up but won’t stay lit. Thermostat call, gas valve opens, the burner lights for a few seconds, then it’s out. Usually a dirty or failing thermocouple or flame sensor. On an original floor furnace, we inspect the firebox while we’re in there because the heat exchanger is buried, and cracks there are a carbon monoxide risk.
- Unbalanced floor plans with hot and cold zones. When someone swapped a floor furnace for central forced-air without a Manual J load calculation, the result is a system sized for square footage but not for the actual heat loss of each room. One end of the house cooks; the kids’ bedrooms stay cold. The fix is almost never just a bigger furnace.
Pricing for Furnace Repair in El Monte, CA
Furnace repair in El Monte runs $150 to $700 for most jobs. A bad ignitor or flame sensor sits at the lower end. A blower motor replacement lands in the $150 to $650 range. A failing gas valve or control board pushes toward the top. What skews the final number in El Monte specifically is what the older house around the furnace is doing. A simple capacitor fix becomes a bigger conversation if the panel is maxed or the ducts are shot. Here’s the line-item range for the work we do most around here:
| Service | Typical Cost in El Monte |
|---|---|
| Emergency Furnace Repair | $150 – $700 |
| Furnace Tune Up | $80 – $200 |
| Blower Motor Replacement | $150 – $650 |
| Heat Exchanger Inspection | $80 – $200 |
Every quote is in writing before any work starts. Estimates are free. Call (626) 657-5344 and we’ll give you exact numbers for your El Monte home, not a range that shifts at the door.
We Also Serve Cities Near El Monte
Our crews cover El Monte and the neighborhoods around it, so if you’re in South El Monte, Temple City, Rosemead, or Arcadia, the same written pricing, live 24/7 phones, and one-year repair guarantee apply. This is all part of our El Monte service area, and we route techs through the San Gabriel Valley daily, so you’re not waiting for a truck from across the county.
Serving El Monte, CA - Our Local Coverage Area
We’re based in the El Monte 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 El Monte
Because the blower motor or a heat strip is drawing startup current that a maxed-out 100-amp panel can no longer supply. It happens all the time in El Monte’s 1950s-to-1970s homes. The furnace’s own breaker might be fine, but if the panel is already feeding a dryer, a range, and window AC units, the startup surge trips the main or the furnace circuit. We test the blower motor’s amp draw first. If the motor is fine, the panel is the problem, and we’ll tell you that in writing before quoting a fix. Call (626) 657-5344 and we’ll diagnose it on site.
You can keep it if the firebox and vent are still sound and the heat exchanger shows no cracks. But many of the original floor furnaces in El Monte are 50 to 70 years old, and if the heat exchanger fails, replacement is the only safe answer. Replacing a floor furnace with central forced-air in an older El Monte house is not a like-for-like swap, though. You need a Manual J load calculation, often a panel upgrade since many of these homes are on 100 amps, and usually duct work because there wasn’t any forced-air ducting to begin with. We quote that full picture, not just the equipment cost.
If your furnace runs and runs, but specific rooms in El Monte stay cold, the ducts are the first thing we test. Original galvanized ducts in crawl spaces corrode from ground moisture, separate at the seams, and leak heated air before it ever reaches the registers. A static pressure test gives us the proof in about ten minutes. When the numbers are high, the blower is working against a choked, leaky system. The fix is either sealing what can be sealed or replacing sections outright. We’ll show you the readings and a written price for both paths.
A blower motor replacement in El Monte runs $150 to $650, depending on the motor type and whether it’s a PSC or an ECM. An older furnace with a PSC motor sits at the lower end. A newer system with an ECM motor, which is more efficient and more expensive, sits higher. Here’s the thing in El Monte’s older homes: before we quote the motor, we check the duct static pressure. If the ducts are choking airflow, we’ll tell you, because putting a new motor into a system that overworked the old one to death is a temporary fix, not a repair.
Directly, no, if you’re just repairing your current furnace. SEER2 applies to new cooling equipment and heat pumps, not to a gas furnace repair. But it matters if a repair quote has you thinking about replacement. A new furnace paired with an older AC coil can run into matchup issues under the new SEER2 testing standards, and in El Monte’s older homes, the bigger question is usually the panel and ducts anyway. If you’re weighing repair against replacement, we’ll lay out the actual numbers for both, in writing, so you’re deciding on facts and not a sales pitch. Call (626) 657-5344 and we’ll come out and assess your system for free.
Written by Marco Benitez, Owner at Dalton Heating & Air Pasadena, serving El Monte and the San Gabriel Valley.