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 Dallas
Most furnace repairs in Dallas run $150 – $700 and our Furnace Repair team can usually get to you same day. Call (984) 538-9003 any hour, any day, and a live person picks up. We dispatch from our Dallas-Fort Worth office and know the local housing stock: the 1960s ranch in Garland with the original window-unit return chase, the ’80s tract home in Mesquite where black gumbo clay has been working on the attic ducts for forty years, the Richardson split-level that can’t hold temperature from one end to the other. We’ve worked on all of them.
Brandt comes from an old word for a firebrand. Keeping Dallas homes warm is literally what the name means. Our technicians arrive by name and photo, badge verified at your door under our Threshold Verified standard. You know exactly who is walking in.
Why Brandt HVAC Is Dallas’s Preferred Furnace Repair Company
We’ve built our reputation in Dallas by naming the real problem, not the easy one. A homeowner in Lake Highlands called us after another company replaced their ignitor twice in one winter. We found a cracked heat exchanger dumping CO and a return chase so undersized the furnace was starving for air. That’s the difference between swapping parts and diagnosing the system.
Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail, no callback queue. When your furnace quits on a January night and the temperature’s dropping toward 20°F, you talk to a human who can dispatch a technician. We send you a name, photo, and bio before anyone arrives. If someone shows up who you weren’t told to expect, that visit is on us.
Every repair starts with a written price. No work begins until you see the cost and agree. Every repair also carries a written guarantee under our 365-Day Done Right Promise: if it fails, we return at no charge. No argument.
Heating Repair in Dallas
Heating Repair in Dallas means working on systems sized for cooling loads that get caught short when a Blue Norther drops the temperature 50°F in hours. Most calls we run are for furnaces that can’t keep up, blow cold air, or won’t fire at all. A typical Heating Repair in Dallas costs $150 – $700 depending on what’s failed and whether the real problem is the component or the system around it.
Dallas’s slab-on-grade homes sit on the black gumbo clay belt, so seasonal soil movement routinely cracks and separates attic duct joints. That means furnace airflow problems in a 1970s Garland ranch often trace to the ducts, not the equipment, a pattern that doesn’t repeat in Fort Worth’s different soil profile. We’ve learned to check the attic first.
Heat Exchanger Repair
A cracked heat exchanger is a safety shutdown. We test with a combustion analyzer and visual borescope. If we find cracks, we show you the image and explain your options: repair if the unit is young and the crack is accessible, replacement if the heat exchanger is under warranty or the furnace is past 15 years. We don’t guess. We measure.
Blower Motor Repair
The blower motor moves heated air through your ducts. In Dallas, we see premature failures from two causes: undersized returns forcing the motor to work against high static pressure, and cracked attic ducts creating a vacuum that overamps the motor. We test static pressure before we quote a motor replacement. Sometimes the motor is the symptom.
Boiler Repair in Dallas
Boiler Repair in Dallas is less common than furnace work, but the homes that have them, have them for a reason. Radiant systems in older Park Cities homes and some Highland Park constructions run quietly and efficiently when maintained. A typical Boiler Repair in Dallas costs $150 – $700. Most calls are for failed circulator pumps, stuck zone valves, or sediment-choked heat exchangers from our hard water.
Boilers here face a specific challenge: many were sized before the home was insulated to modern standards, then left to run oversized for decades. An oversized boiler short-cycles, wastes fuel, and cooks its own heat exchanger. We check sizing against the actual heat loss of the structure, not the original 1960s calculation.
Circulator Pump Replacement
The circulator pump is the heart of a hydronic system. When it fails, some zones go cold while others overheat. We stock common pump models for Dallas-area boilers and can usually replace same-day. We also check for air locks and expansion tank pressure, because a new pump won’t fix a system that’s still waterlogged.
Zone Valve Repair
Zone valves control which parts of your home get heat. A stuck valve means one floor bakes while another freezes. We test each zone independently, verify end-switch operation, and replace the actuator or the full valve body as needed. We also look at the wiring: Dallas’s voltage fluctuations from summer AC load can fry low-voltage zone controls.
Trusted Brands We Service in Dallas
We service all major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common parts for Goodman, Rheem, and York systems locally, which means faster turnaround on the brands we see most often in Dallas’s 1980s and 1990s housing stock. For older Carrier and Trane units, we source from our Dallas-Fort Worth warehouse network and can usually have parts next day. We don’t make you wait a week for a control board.
Common Furnace Repair Problems We See in Dallas Homes
- High-limit switch trips from attic duct leaks. Cracked or separated attic duct joints from black gumbo clay movement bleed heat into a 140 – 160°F attic, so the furnace short-cycles and posts high-limit faults instead of heating the house. We seal the ducts, then we fix the switch.
- Blower motor burnout from undersized returns. Retrofitted central air in 1960s – 1980s Garland and Mesquite tract homes leaves undersized return chases, driving static pressure up and burning out blower motors and heat exchangers. We measure static pressure before we quote a motor.
- Heat exchanger failure from oversizing and short-cycling. Blue Norther temperature swings expose undersized heating capacity, but the opposite problem, oversizing, is just as common. Units sized for Dallas cooling loads that are actually too large for heating short-cycle themselves to death.
- Failed ignitors from voltage fluctuation and age. Silicon nitride hot-surface ignitors last 3 – 5 years in normal conditions, but Dallas’s summer electrical grid strain and winter cold-start thermal shock kill them faster. We stock the common replacement ignitors for Goodman, Rheem, and York units.
Pricing for Furnace Repair in Dallas, TX
We’re plain about what furnace repair costs in Dallas because nobody likes a surprise bill.
| Service | Typical Range in Dallas |
|---|---|
| Furnace Repair | $150 – $700 |
| Heating Repair | $150 – $700 |
| Boiler Repair | $150 – $700 |
| Tune-Up | $80 – $200 |
What moves the price? The part, the accessibility, and whether the real problem is one component or a system issue. A $180 ignitor swap on a 10-year-old Goodman in a Frisco garage is straightforward. A $650 heat exchanger diagnosis on a 1985 Carrier in a Richardson attic with a cracked trunk line and a dead blower motor is a different job. We give you a written price before any work starts. Always. No exceptions.
Estimates are free. Call (984) 538-9003.
We Also Serve Cities Near Dallas
Our Furnace Repair in Dallas crews also work in Irving, Duncanville, Balch Springs, and Mesquite. Same Threshold Verified standard, same written pricing, same live-answer phones. Dispatch is coordinated from our Dallas-Fort Worth office, and we route technicians based on who’s closest to your neighborhood.
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
Because the real problem is usually airflow, not the switch itself. In Dallas, cracked attic ducts from black gumbo clay soil movement dump heated air into a 140 – 160°F attic, so the furnace overheats and kills the switch to protect itself. A tech who swaps the switch without checking static pressure and duct integrity hasn’t fixed anything. We measure both. Call (984) 538-9003 for a real diagnosis.
Yes, absolutely. A like-for-like swap in a 1970s Richardson ranch often disappoints because the original system was sized for a house with single-pane windows and no insulation, and the ductwork was retrofitted from window-unit design. A proper Manual J load calculation tells us what size you actually need now, and a duct assessment tells us whether the existing system can move that air. We do both before we quote a replacement.
Yes. The capacitor gives the blower motor the torque to start spinning. When it weakens, the motor draws excess amperage, overheats, and shuts down on thermal overload. The furnace fires, but no air moves, so the high-limit switch trips. We test capacitor microfarads against the spec plate on every no-heat call. A $150 capacitor replacement beats a $600 motor replacement if we catch it early.
Because Dallas systems are typically sized for cooling loads, not heating extremes. Winter Storm Uri dropped temperatures to single digits, exposing furnaces that were technically “sized correctly” by old rules of thumb but couldn’t handle a true Arctic event. Many units ran continuously without reaching setpoint, and some failed from the strain. After Uri, we started recommending heating-capacity verification as part of every fall tune-up.
SEER2 is the new cooling efficiency standard, but it affects furnace repair because modern air handlers and furnaces are tested as matched systems. If your furnace needs replacement and you plan to keep your AC, the new furnace must be compatible with your existing or future outdoor unit. We check matchup data before we recommend any equipment. Mismatched systems lose efficiency and warranty coverage.
Written by Devin Marlowe, Owner at Brandt HVAC, serving Dallas since 2003.







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