Serving Tucson, AZ and Surrounding Areas
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Furnace Repair in Tucson, AZ
Tucson furnaces sit idle through eight or more months of heat. Then they have to run hard on the first night the desert drops toward freezing. During that long rest, monsoon dust settles on burners, flame sensors, and blower wheels, which is why so many furnaces fail during the first cold snap of the season. D&H Air Conditioning, Heating & Plumbing has repaired furnaces in Tucson homes since 1959, and our phones are answered 24/7.
Furnace acting up? Call 520-408-2665 to schedule furnace repair with D&H today.

Signs Your Furnace Needs Repair
Most furnace breakdowns give a warning first. Catching it early usually means a smaller repair and no night spent under extra blankets.
- Cold air from the vents. The blower runs but the burners never light, which often traces back to a dirty flame sensor, a failed igniter, or a gas supply problem.
- Short cycling. A furnace that starts and shuts off within a few minutes may be overheating from a clogged filter or tripping a faulty limit switch.
- New noises at startup. A bang when the burners light points to delayed ignition, while squealing or grinding usually means a worn blower motor or belt.
- A yellow or flickering flame. A healthy gas flame burns steady blue, and a lazy yellow flame signals incomplete combustion that needs attention right away.
- A burning smell that lingers. A dusty odor on the first run of the season is normal, but a smell that lasts more than an hour or smells electrical is not.
Our Furnace Repair Process
A furnace repair is only as good as the diagnosis behind it, so we never swap parts by guesswork. Our technicians work through the system in order: thermostat and power first, then the igniter and gas valve, the flame sensor and safety switches, the blower assembly and airflow, and finally the venting.
Before any work starts, you get the findings in plain language and the price of the repair. If a part is worn but still working, we tell you so you can plan for it instead of being caught off guard next winter. On gas furnaces we also inspect the heat exchanger and flue, because a cracked heat exchanger or blocked vent can let carbon monoxide into the living space.
Furnaces in Tucson show up in a few different setups. Many older ranch homes have the furnace in a hall closet or attic, while a large share of newer homes use rooftop gas packs that combine heating and cooling in one cabinet. Our technicians repair gas and electric furnaces in all of these configurations, including [furnace_brands_serviced]. Service vans carry common igniters, flame sensors, capacitors, and inducer parts, so many repairs are finished on the first visit.
A large number of the failures we see start with skipped tune-ups. A heating maintenance visit in October or early November cleans the burners and flame sensor before the first cold night instead of after it.
Emergency Furnace Repair
If your furnace quits after hours, D&H dispatch is available 24/7 and can send a technician the same night in most cases. If you smell gas, leave the house first and call Southwest Gas or 911 from outside. Then call us once the utility has cleared the home.
Repair Or Replace?
A single repair on a furnace with years of life left is almost always the better value. When an older unit needs a major part, such as a heat exchanger or draft inducer motor, your technician will put the repair cost next to the cost of a new system so you can decide with real numbers instead of pressure.
Trust the local experts at D&H for all your Furnace Repair Needs

Why Choose D&H For Furnace Repair?
D&H is a third-generation, family-owned Tucson company and a BBB Torch Award for Ethics recipient. Our dispatch center runs 24/7, so a furnace that fails at 10 p.m. does not have to wait until morning. Homeowners on the Family Maintenance Plan get two heating and cooling visits a year, front-of-the-line scheduling, and 10% off repairs.
No heat, strange noises, or a furnace that keeps shutting off? Call D&H at 520-408-2665 or contact us online and get your furnace repaired by a Tucson team that has been doing it since 1959.

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