AC repair
Furnace & heating
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 Dallas
Furnace repair in Dallas typically costs between $150 and $700, and most common failures like ignitor replacements or gas valve issues are completed in a single visit. When your heat cuts out on a 35-degree January night, you need a repair crew that knows Dallas homes: slab foundations, attic-mounted furnaces, and aging flex-duct systems. Call (325) 312-3269 and you’ll speak to a live person, not a phone tree. We tell you exactly who’s coming to your door, by name and photo, before they arrive.
Dallas winters might be short, but they hit hard. The same attic-mounted gas furnace that ran all summer as part of your AC system now has to deliver heat through ductwork that’s been baking in 140-degree attic heat for years. That’s the reality of furnace repair in Dallas, and it’s why local knowledge changes the outcome. Our Furnace Repair team works on Carrier, Trane, Bryant, and American Standard systems daily, and we stock common parts locally so most repairs finish same-day.
Why Brandt HVAC Co Dallas Is Dallas’s Preferred Furnace Repair Company
We built our Dallas reputation on showing up prepared and behaving like a guest in your home. Every homeowner gets a written price before any work starts. Every technician arrives in uniform, shows a photo ID at the door, and has been background-checked and identity-verified under the Threshold Verified standard. If someone shows up who you weren’t told to expect, that visit is on us. That’s not a slogan. It’s how we operate.
Dallas homeowners call us from Lake Highlands, Preston Hollow, and East Dallas for a reason. When a furnace blower motor seizes or a heat exchanger crack appears, our crews can usually reach most Dallas neighborhoods within an hour or two. We explain the failure in plain language, give you the exact repair cost in writing, and stand behind the work with a 365-day guarantee. If the repair fails within that year, we return at no charge. No argument, no second invoice.
Devin Marlowe leads our Dallas operation with a straight-talk approach: diagnose honestly, price clearly, and never start work until the customer agrees in writing. That’s the certainty Brandt is named for. The name comes from an old word for a firebrand, and keeping Dallas homes warm is what we do. Every repair includes a written guarantee stating exactly what’s covered and for how long.
Styles & brands we work with







Furnace Maintenance in Dallas
Furnace Maintenance in Dallas is a once-a-year service that costs between $80 and $200 and catches the small failures before they become $700 breakdowns. A Dallas furnace works hard in winter, but the real enemy is the summer. Your furnace shares components, ductwork, and electrical load with your AC system. If you skip maintenance, the first cold snap stresses components that have been idling in a hot attic for months.
Here’s what a maintenance visit actually includes: checking the heat exchanger for hairline cracks, testing the ignitor’s resistance, verifying gas pressure at the valve, inspecting the blower motor’s amp draw and bearings, and measuring static pressure across the system. We also check for the Dallas-specific problems: torn flex-duct in the attic, dirty burners from dust infiltration, and electrical connections loosened by thermal cycling.
Heat Exchanger Inspection
This is the safety-critical part. A cracked heat exchanger can release carbon monoxide into your living space. In Dallas homes with original 1990s furnaces, we see stress cracks from short cycling more often than from simple age. Our technicians inspect with a borescope camera, not just a visual glance.
Burner Cleaning and Gas Pressure Check
Dallas homes on slab foundations tend to pull dust and pet dander into the mechanical closet. Burners clog, flames get lazy, and the furnace runs inefficiently. We clean the burners, adjust the gas valve to manufacturer spec, and confirm the flame sensor is reading correctly. The result is cleaner combustion and lower gas bills.
Heat Pump Repair in Dallas
Heat Pump Repair in Dallas typically runs $150 to $650 and handles both heating and cooling failures, since a heat pump works year-round in our climate. Dallas’s short shoulder seasons mean heat pumps cycle constantly, and the high summer heat plus sudden winter cold snaps put real strain on reversing valves, defrost boards, and compressor contactors. When a heat pump fails in January, the auxiliary heat strips may carry the load temporarily, but a failed reversing valve still means no warm air.
Heat pumps are common in Dallas homes built after 2010 and in the smaller single-story ranches across Richardson and Grand Prairie. They’re efficient, but they’re also more electronically complex than a gas furnace. A failed defrost sensor that goes unnoticed in fall becomes an iced-over outdoor unit by the first freeze. Our repair diagnostics cover the full board, not just the symptom.
Reversing Valve Repair
The reversing valve is what switches a heat pump between heating and cooling. When it sticks, your system may blow cold air in winter or heat in summer. In Dallas, where we use both modes within the same week in spring and fall, this component wears faster than in cooler climates. Replacement runs within the $150 to $650 range depending on the brand and unit size.
Auxiliary Heat Strip Diagnosis
When the outdoor unit can’t keep up with a Dallas cold snap, the auxiliary heat strips kick in. If those strips fail, your home can’t reach the thermostat set point. We test amp draw on each strip, check the sequencer, and replace the ones that are burned out. It’s a common repair in the electric air handlers of older suburban Dallas tract homes.
Trusted Brands We Service in Dallas
We service the major residential brands Dallas homeowners actually have: Carrier, Trane, Bryant, and American Standard. Our techs carry OEM and compatible parts for these systems on their trucks, which means faster turnaround when your furnace goes down. For Dallas customers, we keep a local parts inventory that covers common ignitors, pressure switches, flame sensors, and blower motors. You won’t wait three days for a part to ship from a warehouse. Most repairs are completed in one visit because we arrive with the parts your system needs. No matter the brand, every repair carries the same written guarantee, and every job starts with a written price.
See the difference
Before
After
Before
After
Before
AfterCommon Furnace Repair Problems We See in Dallas Homes
- Heat exchanger cracks from short cycling. In Dallas’s 1990s tract homes with undersized flex-duct systems, the furnace overheats because airflow is restricted. The heat exchanger expands and contracts until it cracks, and that’s a safety issue that requires immediate attention. We test with a borescope and combustion analyzer before clearing a system to run.
- Ignitor failure during the first real cold front. Silicon nitride ignitors get brittle after years of thermal cycling in hot attics. When the first genuine freeze hits Dallas, we get a wave of calls from homes where the ignitor simply cracks. Replacement runs $150 to $300 on most systems.
- Flex-duct collapse and leakage in hot attics. Original flex-duct from 1990s Dallas subdivisions is often sunken, torn, or collapsed by now. The furnace produces heat, but it leaks into the attic instead of reaching your rooms. We find this in homes across the metro where insulation has deteriorated and duct connections have slipped apart.
- Undersized electrical service on older panels. Many Dallas homes built in the 1970s and 1980s still have 100-amp panels. A modern high-efficiency furnace with a variable-speed blower may trip breakers or fail inspection on a like-for-like swap. We check the panel and load calculation before recommending any equipment change.
Pricing for Furnace Repair in Dallas, TX
Furnace repair in Dallas runs between $150 and $700 for most jobs. A simple flame sensor cleaning is on the low end. A blower motor replacement or gas valve replacement lands in the $350 to $700 range. Ignitor replacement in Dallas is typically $150 to $300, parts and labor included. Heat exchanger replacement, when it’s possible, pushes toward the top of the range. You get a written price before we touch a tool. No work starts until you see the number and agree to it. That’s how we’ve operated since 2003, and it’s the only way we’ll work in Dallas.
| Service | Typical Dallas Price Range |
|---|---|
| Furnace Repair | $150 – $700 |
| Furnace Maintenance | $80 – $200 |
| Heat Pump Repair | $150 – $650 |
Call (325) 312-3269 for a free estimate on any furnace repair in Dallas. We’ll give you a straight answer over the phone and schedule a technician you’ll know by name before they knock.
We Also Serve Cities Near Dallas
Our Furnace Repair in Dallas service also reaches Duncanville, Balch Springs, Grand Prairie, and Richardson. If you’re in one of those neighboring cities, the same written-price guarantee and 365-day repair warranty apply. Call us and we’ll confirm a service window that fits your schedule.
Serving Dallas, TX - Our Local Coverage Area
We’re based in the Dallas 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 Dallas
The most likely cause is restricted airflow from degraded flex-duct in the attic or an undersized duct system. In Dallas homes built on slab foundations, the original equipment was often sized to minimum code, not to the actual heat loss of a sprawling floor plan. When airflow is restricted, the furnace overheats and shuts down on a high-limit switch, even if the ignitor, gas valve, and blower motor all test fine. We measure static pressure before and after every repair. Call (325) 312-3269 and we’ll diagnose it properly.
If your furnace is original to a 1990s Dallas tract home and the repair cost exceeds $500, replacement often makes more sense due to efficiency ratings and warranty coverage. But the bigger problem in these homes is usually the duct system, not the furnace itself. A brand-new high-efficiency furnace connected to torn, leaky flex-duct will still leave rooms cold. We evaluate the entire system: furnace, ducts, electrical panel, and static pressure. Then we give you a written recommendation with real numbers.
In older Dallas homes, this is most commonly a failed ignitor, a tripped pressure switch, or a dirty flame sensor. The blower runs because the thermostat is calling for heat, but the burners never light or they light and extinguish quickly. On heat pump systems, a stuck reversing valve will also blow cold air in heating mode. The fix is usually straightforward and falls within the $150 to $700 range.
Yes, it’s done regularly in the Park Cities and Lakewood, where original 1920s to 1950s homes still have floor furnaces or retrofitted systems. The conversion involves running new supply and return ductwork, which in these older homes often means squeezing ducts through closets and tight wall cavities. Existing retrofits may have asbestos-wrapped ductwork that requires special handling. We assess the existing plumbing, electrical, and gas lines before recommending a conversion path. The written quote covers everything.
This is the classic symptom of a single-zone system on an unbalanced floor plan. The upstairs rooms swelter while downstairs stays cold, or vice versa. The furnace runs constantly because the thermostat never reaches set point. In Dallas’s two-story homes from the 1970s and later, the root cause is often leaky attic flex-duct feeding the second floor, combined with a system that was undersized from day one. Repairing the duct runs and verifying static pressure fixes many of these homes without replacing the furnace.
For any furnace repair question in Dallas, call (325) 312-3269. A live person answers 24 hours a day, 7 days a week. If your heat is out tonight, we’ll get a technician on the way.
Written by Devin Marlowe, Owner at Brandt HVAC Co Dallas, serving Dallas and the surrounding metro with straight answers and written-price furnace repair.