Furnace & heating
AC repair
Heat pumps
Carrier
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Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateTrusted Furnace Repair for Miami Homeowners
A furnace that won’t light, won’t stay lit, or won’t push warm air through your vents usually comes down to one of four things: a failed ignitor, a dirty flame sensor, a seized inducer motor, or a control board that’s lost its program. Those are the repairs we handle most often, and they tell you something useful: most furnace failures in Miami are component-level fixes, not full system replacements. If you need Furnace Repair - Miami, we handle those common failures daily.
Dalton Heating & Air Miami has been answering calls in this market since 2003 as part of the Garrison Partners network. Our owner, Marco Benitez, holds every technician to The Garrison Standard: written pricing before work starts, a written guarantee on every repair, and a free return visit if the fix doesn’t hold. If your heat is out tonight, call (850) 754-6042. We answer live, 24/7, and we’ll tell you straight what it’ll cost to get you warm again.
Furnace Maintenance
Furnace Maintenance is the scheduled inspection and cleaning we perform once a year, ideally in October or November, before the first real cold snap in Miami demands real heat. Our technicians check gas pressure at the manifold, clean the flame sensor, test the ignitor’s amp draw, inspect the heat exchanger for hairline cracks, and measure the temperature rise across the system so you know the furnace is moving heat into the house, not up the flue. A maintenance visit runs $95 – $235 depending on the furnace and what we find. If we find a repair that needs doing, you get the written price before we touch a thing.
Annual Cleaning and Safety Check
A furnace that sits idle for most of Miami’s warm season collects dust on the burner assembly. That dust contributes to lazy ignition, sooting, and a flame sensor that reads wrong and shuts the system down. We clean and re-torque the burners as part of every maintenance call.
Written Report of What We Found
Every maintenance technician at Dalton Heating & Air Miami writes up what they measured, what they cleaned, and what they recommend, in plain language. You keep the report. There’s no pressure to approve a repair on the spot, and nobody on our trucks is paid a commission on what they sell.
Styles & brands we work with
Heat Pump Repair
Heat Pump Repair covers the outdoor condensing unit and the indoor air handler working together to move heat either into or out of your home, and in South Florida that’s an all-year job. Most heat pump calls in Miami are refrigerant-related: a slow leak, a clogged metering device, or a reversing valve that’s stuck so the system heats when you want cooling. Typical repairs run $175 – $765. We test superheat and subcooling with digital gauges to confirm exactly what’s failing before we quote a dollar figure.
Reversing Valve Diagnostics
A heat pump that blows cold air in heat mode usually has a stuck reversing valve or a low charge. We check the valve’s solenoid coil first, then the refrigerant pressures. That sequence prevents paying for a compressor when the actual fault is a $30 coil.
Refrigerant Leak Sealing and Recharge
We locate the leak with an electronic detector before adding refrigerant, because topping off a leaking system just wastes your money twice. The repair and recharge are quoted as one written price before we start, and the work is guaranteed in writing for a full year.
Heating Repair
Heating Repair is the broad category we use when the problem isn’t clearly furnace-specific yet: a thermostat that won’t call for heat, a duct system that’s delivering cold air to half the house, or a blower that runs continuously without ever satisfying the set temperature. Dalton Heating & Air Miami diagnoses the whole heating chain, not just the appliance in the closet. Expect $175 – $825 for most heating repairs, with the exact number in writing before we begin.
Thermostat and Control Wiring
We see a lot of Miami homes where a smart thermostat was wired incorrectly during a DIY swap, and the furnace never gets the signal to run. Our technicians verify voltage at the control board, check the C-wire connection, and test the thermostat’s relay output. The fix is often simple, and it never gets marked up as a big-ticket repair.
Airflow and Duct Diagnostics
If heat is leaving the furnace but not reaching the bedrooms, the problem sits in the ductwork or the blower motor. We check static pressure and blower capacitor readings to isolate airflow restrictions before recommending any equipment change. A capacitor replacement is common, inexpensive, and quoted in writing up front.
Boiler Repair
Boiler Repair in Miami usually means one of two systems: hydronic baseboard heat in older Coral Gables Furnace Repair and North Miami Beach homes, or a small wall-hung combi boiler in a condo that runs both heat and domestic hot water. When a boiler loses pressure, kettles, or short-cycles, the cause is often a failed expansion tank, a stuck fill valve, or an airbound circulator pump. Dalton Heating & Air Miami services boiler repairs at $175 – $825, with the same written guarantee we put on every furnace.
Circulator Pump and Zone Valve Work
A circulator that hums but doesn’t move hot water usually has a locked impeller or a dead capacitor. Zone valves fail when their motor heads burn out, leaving one loop of the house cold. We carry common pump and valve parts on the truck so the repair can often be completed same day.
Pressure Vessel and Expansion Tank Testing
A waterlogged expansion tank makes the boiler’s pressure relief valve drip or blow off, which most homeowners notice as puddling around the unit. We pre-charge and test the tank’s bladder with a pressure gauge, and if it’s failed, we replace it and re-set the system to its proper fill pressure.
Gas Furnace Repair
Gas Furnace Repair is the highest-stakes residential heating work we do, because a gas appliance that isn’t burning cleanly can put carbon monoxide into your home. The most common calls in Miami are failed hot-surface ignitors, cracked or shorted flame sensors, and induced-draft motors that have seized. Repairs run $175 – $825. Every gas furnace repair ends with a combustion analysis and a carbon monoxide check at the flue and at the register.
Marco Benitez requires the same standard on every gas furnace call, and he can inspect the work afterward because we maintain detailed job records. We treat gas work with the respect it demands, which means testing properly instead of guessing.
Ignitor and Flame Sensor Replacement
When the furnace tries to light but won’t, the ignitor’s amp draw almost always tells us whether it’s the culprit. A glassy white spot or a hairline crack means it’s done. Flame sensors fail differently: they don’t break, they get coated in silica and stop reading the flame, which causes the furnace to light and then shut off seconds later. Both repairs are straightforward and usually completed within an hour.
Combustion Safety Testing
After any gas furnace repair, we run a combustion analyzer at the flue to confirm the air-to-fuel ratio is within spec and there’s no carbon monoxide back-drafting into the living space. You get the results on your written work order. That test is non-negotiable on every gas furnace we touch.
Furnace Tune Up
A Furnace Tune Up is the mid-winter service call for a system that’s running but not running right. Maybe the blower is louder than usual, the burn time is shorter than it used to be, or the heat feels weaker at the far end of the house. We test and adjust gas pressure, clean the burners, check the flame sensor, measure the temperature rise, and test the safety rollout switches. Tune-ups run $95 – $235, and if the diagnosis requires an actual repair, that price is separate and always quoted in writing first.
Gas Pressure Adjustment
Most furnaces arrive from the factory set for a generic installation, not for Miami’s specific gas supply pressure. We check the manifold pressure with a digital manometer and adjust it to the manufacturer’s stated range. An over-fired burner runs hot and shortens heat exchanger life; an under-fired burner wastes fuel and delivers weak heat.
Safety Control Verification
We test the limit switch and rollout switches that shut the furnace down if it overheats or if flames back out of the burner box. These are simple bimetallic devices, but when they fail, they fail quietly. Our tune-up confirms they still open and close at the right temperatures.
Emergency Furnace Repair
Emergency Furnace Repair is what we do when the temperature in a Miami house drops into the 50s and the furnace is completely dead. Cold snaps in South Florida don’t last long, but they’re miserable when your only heat source won’t start, especially in older homes in Westchester or Tamiami where the furnace is original to the house. We also serve homeowners looking for our Furnace Repair in Miami Gardens. Dalton Heating & Air Miami answers the phone 24/7 with a live dispatcher, not an answering service. Emergency furnace repairs run $175 – $825, same range as our standard calls, and there is no overtime upcharge for a furnace that fails at night.
After-Hours Dispatch in Miami
Our trucks are stocked with common ignitors, flame sensors, capacitors, pressure switches, and inducer motors for all nine brands we service. That means the technician who shows up at 2:00 a.m. is usually carrying the part your furnace needs, not just a flashlight and a clipboard. We’ll tell you by phone what the likely cost is before the tech leaves our shop.
Fast Response for No-Heat Homes
A furnace that dies during a Miami cold snap can push indoor temperatures down quickly, especially in single-pane homes in North Miami and Palmetto Bay. For island residents, Key Biscayne Furnace Repair is available with the same 24/7 response. We prioritize no-heat calls ahead of routine tune-ups, and our dispatcher will give you an honest arrival window, not a vague “sometime today.”
Brands We Service
Our technicians are factory-trained on Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. That’s not a line on a website; it means our techs have spent time in brand-specific training programs and we stock OEM parts for all nine, so we’re not cross-referencing universal parts that might fit poorly after the repair.
We work on York furnaces from the Diamond series that dominate Miami condo installations, Daikin and Bryant units common in newer single-family construction, and American Standard systems that show up in custom homes throughout Coral Gables and Palmetto Bay. The furnace doesn’t have to be one of those nine for us to service it. If it produces heat, we’ve probably fixed one like it this month. Whether your equipment is a Bryant, a York, a Daikin, an American Standard, or something else entirely, the diagnostic fee, written price, and full-year guarantee all work the same way.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Furnace lights, then shuts off within 30 seconds. That’s almost always a dirty flame sensor or a failing pressure switch sending a false signal. It’ll keep cycling until the control board locks out, and restarting it repeatedly risks damaging the ignitor.
- You smell gas or a sulfur-like odor near the furnace. Mercaptan, the odorant added to natural gas, smells like rotten eggs. If you catch that scent, shut the furnace off at the switch and call us from outside the house. This is the one scenario where you don’t wait for morning.
- The blower runs constantly and never shuts off. That points to a stuck limit switch or a thermostat that’s miswired, which means the furnace is working harder than it should and your electric bill is climbing while the house still feels cold.
- Warm air only reaches part of the house. Rooms that stay cold often mean a duct has separated in the attic or the blower motor’s run capacitor is weak. It’ll get worse as the winter goes on, and the strain will eventually take out the blower itself.
- The furnace makes a loud bang when it fires up. Delayed ignition, where gas builds up in the burner box before the ignitor lights it, causes that boom. Every delayed ignition event stresses the heat exchanger, and enough of them will crack it. That’s a safety repair, not a noise complaint.
Our Process, Step by Step
- 1
You call and talk to a real person. Dalton Heating & Air Miami is staffed 24/7, and the person who answers is a dispatcher with the schedule in front of them. You’ll get a named technician and an arrival window that means something.
- 2
The technician arrives inside the window and shows ID. Our techs are background-checked, uniformed, and employed by Dalton, not subcontracted out. Before anything else, they’ll ask what the furnace is doing and listen to what you’ve already tried.
- 3
Diagnosis with measurement, not guesswork. We use digital manometers to test gas pressure, micrometer readings for ignitor amp draw, and combustion analyzers on gas systems. You’ll see the readings on the technician’s tablet, and you’ll get a plain-language explanation of what they mean.
- 4
Written price before any work begins. You’ll see the exact cost of the repair, on paper, before we open a parts box. If you decide not to proceed, you’re only responsible for the diagnostic fee, which we’ll also quote you when you book the call.
- 5
Repair, testing, and a written guarantee. The technician repairs the fault, re-tests the system under load, performs a carbon monoxide check on gas units, and cleans the work area. Every repair carries a written one-year guarantee, and if the same repair fails within that year, our return visit is free.
How Much Does Furnace Repair Cost in Miami?
A typical furnace repair in Miami runs $175 – $825 depending on the component that failed. The most common repairs sit at the low end of that range: a flame sensor cleaning or replacement typically costs $175 – $275, an ignitor runs $225 – $375, and a blower capacitor replacement runs $195 – $295. Repairs that push toward the higher end include inducer motor replacement, control board replacement, and heat exchanger replacement, which can exceed $825 on older equipment but is usually quoted as a separate, itemized figure.
What drives the price? Brand matters: OEM parts for York and Daikin units cost more than universal equivalents, and we use OEM for the brands we’re factory-trained on. Age matters too: a 20-year-old furnace in Kendall may need a part that’s been discontinued and has to be sourced from a specialty distributor. The complexity of access also matters: a furnace in a narrow attic hatch or a crawlspace takes longer to service than a closet unit, and our written price reflects the labor hours, not a made-up surcharge.
How do you avoid overpaying? Demand a written price before the tech opens his toolbox, which is exactly how we work on every call. Ask whether the part is OEM or aftermarket. And be suspicious of anyone who quotes a price by phone without looking at the furnace. A free estimate from Dalton Heating & Air Miami means a real diagnostic, with measurements, followed by a written number you can approve or decline. Call (850) 754-6042 and ask for the diagnostic fee and the arrival window: we’ll give you both straight.
Our Service Area Near Miami
Dalton Heating & Air Miami runs furnace repair calls across the city and the surrounding communities: Furnace Repair in Miami Gardens, Furnace Repair in Kendall, North Miami, Tamiami, Coral Gables, North Miami Beach, West Little River, Westchester, University Park, and Palmetto Bay. Most no-heat calls are reached within 60 to 90 minutes depending on traffic across the 836 and I-95. If you’re in Hialeah Gardens or anywhere else in central Miami-Dade, call us and the dispatcher will give you an honest arrival time based on where our next truck actually is.
Serving Miami, FL - Our Local Coverage Area
We’re based in the Miami area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Furnace Repair in Miami
Furnace repair is the diagnosis and correction of a furnace that won’t start, won’t stay running, won’t produce enough heat, or produces heat unsafely. In Miami, that usually means component-level work like replacing an ignitor, cleaning a flame sensor, testing a gas valve, or swapping a blower motor. Dalton Heating & Air Miami repairs furnaces from all nine brands we’re factory-trained on, and every repair comes with a one-year written guarantee. Call (850) 754-6042 if you need a furnace looked at.
Most common furnace repairs in Miami take 45 to 90 minutes once the technician starts work. Flame sensor cleaning, ignitor replacement, and capacitor swaps are all one-hour jobs. Control board replacement or inducer motor work can run two to three hours. Your technician will give you a time estimate along with the written price before any work begins.
Furnace repair in Miami typically costs $175 – $825 depending on the failed part and the furnace’s brand and age. Low-end repairs like flame sensor cleaning run about $175 – $275, while inducer motors and control boards push toward the top of the range. Every job includes a written price before work starts and a written one-year guarantee, so the number you approve is the number you pay. Call (850) 754-6042 for an exact quote: estimates are free.
Yes, we service York furnaces, including the Diamond series units common in Miami condos and the Affinity models found in single-family homes. Our technicians are factory-trained on York equipment, we stock OEM York parts on the truck, and we’ve completed York-specific warranty repair training. The same written price and one-year guarantee apply to every York repair we do.
Yes. Dalton Heating & Air Miami answers the phone 24/7 with a live dispatcher, and we dispatch emergency furnace repair calls across Miami, Kendall, Miami Gardens, and the surrounding area. There’s no overtime upcharge on emergency calls, and our trucks are stocked with common repair parts so the tech can often fix the furnace on the first visit. Call (850) 754-6042 any time: a real person will answer.
Every furnace repair from Dalton Heating & Air Miami carries a written one-year guarantee under our 365-Day Done Right Promise. If the repair fails within that year, we return and fix it at no charge. The guarantee is included with every service call, not sold as an upgrade, and it’s in writing before the work starts.
Clear a path to the furnace and make sure the technician can access the electrical panel and the gas shutoff. If you have pets, secure them in another room before the technician arrives. It helps to jot down what the furnace is doing: does it light at all, does it run briefly and shut off, do you hear unusual sounds? The more accurate the symptom description, the faster the diagnosis. Our tech will handle everything else.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Miami since 2003.
Schedule Your Furnace Repair Service in Miami Today
If your furnace is down, call Dalton Heating & Air Miami at (850) 754-6042. You’ll get a live person, an arrival window, and a written price before any work starts. Our Furnace Repair in Miami crew is ready 24/7, and every repair is guaranteed in writing for a full year. Call now for a free estimate.