Seasonal 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.
Fast, Reliable Furnace Repair Across Lebanon
Furnace repair in Lebanon, TN typically runs $150 – $700 depending on the failed component, and most jobs are diagnosed same-day. If your heat is out on a cold Wilson County night, you need a technician who shows up inside the stated window with a written price before the first tool comes off the truck. That’s how we work at Dalton Heating & Air. Our Furnace Repair team knows Lebanon’s housing stock: mill-district bungalows, 70s ranches off Highway 70, and newer builds out toward I-40. Call (361) 306-9515 and a real person answers, 24/7.
Why Dalton Heating & Air Is Lebanon’s Preferred Furnace Repair Company
We run every job by The Garrison Standard, a set of rules that has governed our work since 2003. The price goes in writing before any work begins. The repair comes with a written one-year guarantee. If the fix does not hold, we return at no charge. Those are not upgrades or add-ons. They are the terms on every service call, no exceptions.
Our lead in this market, Marco Benitez, trains every technician to the same code: arrive inside the window, quote before work, do the job by the book, leave the site cleaner than you found it. Lebanon homeowners don’t have time for no-shows or price games, and frankly, neither do we. The crews are background-checked, uniformed, and factory-trained on Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. When you see our truck on Main Street or near the Square, you know who is walking up to your door.
Dispatch for this area runs through our Memphis office, but the crews serving Lebanon live and work locally. That means no waiting on a tech to drive two hours from a different market. We schedule Lebanon calls in tight blocks so arrival times hold.
Heating Repair in Lebanon
Heating Repair in Lebanon is the work of getting a furnace back to safe, reliable operation, whether that means a flame sensor cleaning, an ignitor swap, or a heat exchanger inspection. Lebanon homeowners tend to call us two ways: a no-heat emergency when the temperature drops hard, or a furnace that runs but won’t keep rooms warm. The first is urgent because a cold home in January is a genuine health risk, especially for older residents. The second is often a duct or airflow problem, which we get into below.
What the Job Involves
A typical heating repair call starts with a combustion check and a static pressure reading. We inspect the burner, flame sensor, ignitor, gas valve, blower motor, and heat exchanger. Most repairs in Lebanon run $150 – $700 depending on the part, and we carry common components on the truck so we aren’t sending you to a parts house across the county.
When to Call Now
If you smell gas, hear banging from the blower compartment, or see soot around the registers, that’s a call today. A cracked heat exchanger can put carbon monoxide into the air. Do not wait to see if it clears up.
Boiler Repair in Lebanon
Boiler Repair in Lebanon covers the hydronic systems found in a surprising number of older homes around the Square and the historic districts. Boilers don’t short-cycle the way furnaces do, but they fail in their own way: air-bound radiators, faulty circulator pumps, expansion tank issues, and low water pressure. When a boiler goes down, the whole house goes cold with it, and the fix is rarely a quick ignitor swap. Most boiler repairs in Lebanon fall in the $150 – $700 range for common part failures, though a full circulator pump replacement can push toward the top of that range.
Common Boiler Failures Here
We see a lot of air-bound systems in Lebanon’s older homes, where radiators on the second floor stay cold while the first floor bakes. Bleeding the system and checking the automatic fill valve usually solves it. We also see expansion tanks that have failed and are letting pressure spike.
Straight Talk on Old Boilers
A boiler can last decades, but when the cast-iron heat exchanger finally goes, replacement is usually the right call. We will tell you that plainly and back it up with a written quote for what a modern system costs versus patching a 40-year-old unit.
Trusted Brands We Service in Lebanon
We service the furnaces Lebanon actually has in its homes. That means plenty of Rheem and York units in the subdivisions off Highway 231, Daikin systems in some of the newer Mount Juliet-adjacent builds, and Bryant furnaces in homes around the Square. We stock common parts for each locally, so a failed ignitor or blower capacitor doesn’t mean waiting five days on a distributor. If your furnace is one of the nine major residential brands we carry for, the repair is covered by the same written guarantee as anything else we touch.
Common Furnace Repair Problems We See in Lebanon Homes
- Undersized return ducts driving high static pressure. Older mill-district homes were built for gravity heat or small furnaces. The ducts stayed; the furnaces got bigger. High static pressure trips the high-limit switch, which can mimic a failed furnace when the real culprit is a clogged filter or a dirty blower wheel.
- Short cycling from an oversized furnace. If a previous contractor replaced a furnace without running a load calculation, you may have more BTUs than your ducts can deliver. Short cycles wear out heat exchangers early and spike gas bills.
- Dirty burners and flame sensors after the shoulder seasons. Middle Tennessee’s damp fall and spring let dust and moisture settle on burner assemblies. The furnace runs fine through October, then fails intermittently on the first hard cold snap.
- Failed ignitors on older mid-efficiency units. We replace a lot of hot surface ignitors in Lebanon’s 15-to-25-year-old furnaces. It’s a $150 – $300 fix when caught early, but it always seems to fail on the coldest morning of the year.
One no-heat call that stays with us came from a Bryant furnace near the Square. The blower motor was drawing high amps, and the heat exchanger showed a hairline crack from years of cycling against a clogged filter. Marco Benitez ran a load calculation and found the old unit was two tons oversized for the ductwork. We replaced the blower motor and capacitor as a stopgap, then walked the homeowner through a right-sized SEER2 replacement and the real monthly savings on their TVA bill. That’s the difference between patching a symptom and fixing the system.
Pricing for Furnace Repair in Lebanon, TN
Furnace repair in Lebanon runs $150 – $700. A flame sensor cleaning sits at the low end. An ignitor replacement lands around $150 – $300. A gas valve or blower motor pushes toward $300 – $550, and a heat exchanger replacement can top out the range. Before any work starts, you get the price in writing. No verbal quote that shifts at the door. No “while we’re in there” add-ons. Here is how the numbers break down across common jobs:
| Service | Lebanon Price Range |
|---|---|
| Furnace Repair | $150 – $700 |
| AC Repair | $150 – $650 |
| Tune-Up | $80 – $200 |
| AC Installation | $3500 – $7500 |
Our estimates are free. Call (361) 306-9515 and we will give you a written number before any work starts, every time.
We Also Serve Cities Near Lebanon
Our Lebanon crews also handle furnace repair calls in Watertown, Mount Juliet, Gallatin, and Hendersonville. The same written pricing and one-year guarantee apply wherever we show up. If you are on the edge of the county line, call for the next available window.
Serving Lebanon, TN - Our Local Coverage Area
We’re based in the Lebanon 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 Lebanon
Repair is usually the right call if the furnace is under 12 years old and the failed part is a wear item like an ignitor, flame sensor, or capacitor. Replacement starts making sense when the heat exchanger is cracked, the unit is over 15 years old, or a load calculation shows the furnace is the wrong size for your ducts. We give you an honest recommendation either way, with a written price for both paths. Call (361) 306-9515 to set up a diagnosis.
A load calculation, or Manual J, measures your home’s actual heating load in BTUs based on square footage, insulation, window area, and duct capacity. In Lebanon’s older homes, it frequently reveals that the current furnace is oversized. That changes the recommendation from “replace like-for-like” to “right-size the unit to the ductwork.” The difference shows up as quieter operation, fewer short cycles, and a gas bill that actually drops. We run this on every replacement quote and many repair calls.
SEER2 is the cooling efficiency rating for a heat pump, and AFUE is the combustion efficiency for a gas furnace. A furnace with 95% AFUE turns 95 cents of every gas dollar into heat. An 80% unit turns 80 cents. That 15-point gap on a Lebanon home burning through winter months can add up to hundreds of dollars a year on the TVA bill. We can show you the math for your specific furnace and fuel usage before you commit to a repair or a replacement.
The high-limit switch shuts the burners down when the heat exchanger gets too hot. In Lebanon, the most common cause we find is not the switch itself, it’s high static pressure from undersized return ducts in older homes. A clogged filter or dirty blower wheel makes it worse. We measure static pressure on every no-heat call so we are fixing the airflow problem, not just resetting a switch.
We repair furnaces from Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. If your unit is a brand not on that list, call anyway, and we’ll tell you straight whether we can get parts. Most of the time, the answer is yes.
If you need furnace repair in Lebanon, call (361) 306-9515 for a free estimate and a written price before any work begins. Marco Benitez and the Dalton Heating & Air team serve the Square, Highway 70, I-40 corridor, and every home in between, on time and by the book.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Lebanon since 2003 as a Garrison Partners company under The Garrison Standard.







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