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.
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AfterFast, Reliable Furnace Repair Across Lewisville
Furnace repair in Lewisville typically costs between $150 and $700, and most calls we get can be diagnosed and fixed same-day. That is the honest range before anyone shows up at your door. If your heat went out off I-35E near Vista Ridge Mall, or you are smelling gas faintly near the burners in a Castle Hills home, call Dalton Heating & Air at (361) 306-9515 and a real person answers, 24/7. No voicemail queue, no callback window, no waiting until Monday because your call came in Saturday night.
We run calls all over Lewisville, from the 75067 neighborhoods up by Lake Lewisville to the 75077 subdivisions south of Highway 121. Our dispatchers know the traffic patterns on Main Street and the I-35E frontage roads, so your arrival window does not get eaten by construction. Before any work starts, you get the price in writing. That is The Garrison Standard, and it has been that way since 2003.
Why Dalton Heating & Air Is Lewisville’s Preferred Furnace Repair Company
Our Furnace Repair team works under The Garrison Code on every single call in Lewisville: arrive inside the stated window, put the price in writing before starting, do the job by the book, leave the site clean, and stand behind the repair for a full year. If a repair fails in that time, we return at no charge. That is not a warranty upsell. It is printed on every work order.
Homeowners around Lewisville have dealt with the other kind of company before. The one that quotes $89 over the phone and walks out with a $1,100 invoice. Or the one that does not show between noon and 4, then calls at 5:45 asking if tomorrow works. Our setup is different because it has to be. Marco Benitez runs Dalton Heating & Air on the principle that a written price and a guaranteed repair remove every argument a homeowner might reasonably have. The technician who arrives is background-checked and uniformed. You know who is coming before they ring the bell.
We answer our phones with a live person, 24 hours a day. That matters in a city like Lewisville, where a January freeze can hit fast and no-heat calls pile up by the dozens. You are not leaving a message and hoping someone calls back. You are talking to a dispatcher who can get a tech routed to your side of town.
Our technicians are factory-trained to service nine major HVAC brands, including Goodman, Rheem, York, and Daikin systems that are common in Lewisville’s housing stock. If your furnace was installed in a 1990s starter home off Corporate Drive, we have likely worked on that exact model within the past month.
Furnace Maintenance in Lewisville
Furnace maintenance in Lewisville runs $80 to $200 and should happen every fall, before the first real cold snap settles over the city’s housing stock. A maintenance visit is not a courtesy wipe-down. Our tech checks static pressure, blower motor amp draw, gas valve operation, the heat exchanger, the ignitor, and the flame sensor on gas furnaces, plus defrost board operation and refrigerant charge on heat pumps common to the area. The written report tells you what was actually found, not what someone wanted to sell you. And our technicians are not paid on what they sell. They are paid to do the job right.
For Lewisville homes along the I-35E corridor with minimal shade cover, dust and debris hit condensing coils and blower wheels faster than you would expect. A clean blower wheel can drop amp draw enough to prevent the thermal overload trips that get misdiagnosed as a failing motor. Skip maintenance, and that is the kind of part replacement you end up paying for.
Seasonal Tune-Up Scope
We check the entire sequence of operation, from thermostat call to burner ignition to blower cutoff. That includes measuring temperature rise across the heat exchanger on gas systems and confirming the defrost board cycles cleanly on heat pumps. On a dual-fuel system in Lewisville’s changeover climate, we verify the crossover temperature is set correctly so your heat pump is not fighting the gas furnace for control.
What You Get in Writing
Every maintenance visit ends with a written report listing what was checked, what measured within spec, and what is trending toward failure. If something needs repair, the quoted price is in writing before any work begins. No pressure. You decide, or you do not decide, and the report is yours either way.
Heat Pump Repair in Lewisville
Heat pump repair in Lewisville is the single most common furnace-season call our techs run, because this city’s winters put heat pumps in an awkward spot. When overnight lows drop toward freezing, then the afternoon warms up quickly, systems short-cycle on defrost and homeowners mistake it for a dead compressor. The fix is often a failed defrost sensor or a weak run capacitor, not anything close to a full replacement. Most of these repairs land in the $150 to $700 range, with the bulk falling under $400.
At a two-story in the Castle Hills area, our tech found a Carrier heat pump locked out on aux heat with the breaker tripping. The culprit was a swollen run capacitor on the condenser fan, not the compressor. We replaced the capacitor, checked the refrigerant charge on the 410A circuit, and cycled the defrost board to confirm the reversing valve was still shifting cleanly. Another company had quoted the homeowner a full system replacement. The actual repair came in near the bottom of our Furnace Repair in Lewisville range.
Short-Cycle Diagnosis
A heat pump that starts and stops every few minutes is not necessarily low on refrigerant. In Lewisville’s transition seasons, the most common cause we find is a defrost sensor that thinks the coil is iced when it is not. That locks the system out. It is a $150 to $300 fix usually, and takes about an hour.
Aux Heat and Changeover Settings
If your thermostat shows AUX HEAT running constantly even on mild days, the changeover setpoint may be wrong for Lewisville’s conditions, or the heat strips are stuck on. We diagnose the wiring, the defrost board, and the thermostat settings before replacing anything. On dual-fuel systems, we verify the gas furnace and heat pump are not running at the same time, which heats the house fast but wastes money monthly.
Trusted Brands We Service in Lewisville
We stock common parts for Goodman, Rheem, York, and Daikin furnaces and heat pumps on our vans, which means many Lewisville repairs never wait on a parts house run. That matters in January. A homeowner in The Colony or Coppell waits just as long as one in central Lewisville for a hard-to-find York ignitor if the supply house is out. Our techs carry the capacitors, ignitors, flame sensors, pressure switches, and defrost sensors that fail most often in this climate. For homeowners with Daikin or Goodman systems built in the last decade, same-day repair is the norm, not the exception.
Common Furnace Repair Problems We See in Lewisville Homes
- Heat pumps short-cycling at changeover. When Lewisville’s overnight lows hover near freezing, the aux heat strips and reversing valve take the blame, but a failed defrost sensor or weak run capacitor is usually the real cause of the lockout.
- Overlooked heat exchanger cracks on 15-plus-year gas furnaces. Older east-side homes have furnaces that cycled through decades of mild-but-erratic winters. The stress on the metal does not show until a CO alarm goes off or a no-heat call comes in. We check for cracks with every gas furnace repair.
- Blower motors tripping on thermal overload. Lewisville homes built during the 1980s through 2000s boom often have undersized return ducts. That makes the blower pull high amps and shut down, which presents as “the furnace keeps shutting off.” The blower is not dead. The duct sizing is wrong. Static pressure testing tells us which is which.
- Attic duct runs baking and freezing. Few mature shade trees along the I-35E corridor means attic temperatures swing hard. Duct work degrades faster, leaks conditioned air into the attic, and makes the furnace work harder than the square footage would suggest. We measure static pressure before condemning any part.
Pricing for Furnace Repair in Lewisville, TX
Here is the straight answer. Most furnace repair jobs in Lewisville land between $150 and $700, and the median call sits right around $300. A failed ignitor or flame sensor runs $150 to $350. A gas valve replacement lands between $350 and $600. A blower motor repair or replacement runs $400 to $700 depending on the motor type and whether the furnace is variable-speed. Tune-ups run $80 to $200. AC repair, which we also handle, runs $150 to $650.
| Service | Lewisville Price Range |
|---|---|
| Furnace Repair | $150 – $700 |
| Tune-Up | $80 – $200 |
| AC Repair | $150 – $650 |
Every job gets a written price before work starts. Not a range. An exact number. If it changes mid-repair because we found something impossible to see from the outside, we stop and get your sign-off first. Call (361) 306-9515 for a free estimate on your specific furnace.
We Also Serve Cities Near Lewisville
If you live just outside Lewisville, dispatch for our crews comes from the Dallas-Fort Worth office, and we cover Lake Dallas, Coppell, The Colony, and Flower Mound on the same schedules. The pricing and guarantees are identical whether you are off Main Street in Lewisville or on the east side of Lewisville toward Lake Dallas. Same written price, same full-year guarantee.
Serving Lewisville, TX - Our Local Coverage Area
We’re based in the Lewisville 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 Lewisville
A furnace older than 15 years with a cracked heat exchanger or a failed blower motor usually points toward replacement, while a system under 10 years old with a bad ignitor, capacitor, or pressure switch is almost always worth repairing. The math we walk Lewisville homeowners through is simple: take the repair quote and divide it by the remaining expected life of the furnace in years. If that number is more than a new system divided by 15, replacement makes sense. Call (361) 306-9515 and we will give you the numbers in writing so you can decide with a calculator, not a sales pitch.
Most standard heat pumps in Lewisville lose meaningful heating capacity below about 32°F, but they do not become useless until temperatures drop into the low teens. The bigger issue in this city is the changeover setting on dual-fuel systems. If your gas furnace is set to take over at 40°F, you are running gas on days when the heat pump could handle the load cheaper. We check and calibrate changeover settings as part of our Heat Pump Installation in Lewisville service and every repair and maintenance visit.
This pattern, where the furnace runs fine on a cold day but fails on a mild one, almost always points to a short-cycling heat pump or a furnace that overheats when the thermostat gets satisfied too often. In Lewisville’s transition climate, rapid temperature swings cause defrost sensors and limit switches to cycle more than they were designed for, and they wear out. The fix is usually a sensor or switch, not a major component. Call (361) 306-9515 and tell us exactly when it stopped, that pattern is a diagnostic clue.
SEER2 measures cooling efficiency, so if you are mostly heating, the HSPF2 rating matters more, but SEER2 still tells you how efficient the system runs during the shoulder seasons when Lewisville’s afternoons stay warm. A higher SEER2 heat pump usually has a higher HSPF2 as well because the compressor and coils are more efficient throughout the cycle. On a Lewisville utility bill, that means lower electric use in October and March when the system runs cooling by day and heating by night. We calculate what a new system would actually cost to run before you buy it.
Once a year, every fall, before the first cold snap. Lewisville’s dust and the lack of shade along major roads means coils and blower wheels load up fast, and that costs you efficiency whether the system fails or not. A $80 to $200 tune-up in October can prevent a $500 repair in January. The maintenance report also gives you a written record of what is wearing, so you are not surprised by a failure in the middle of a freeze. Call (361) 306-9515 to schedule, our fall slots fill up by late September.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Lewisville with written prices, written guarantees, and the Garrison Standard on every job.