Heating repair for furnaces and heat pumps
No heat, cool air from the vents, or a system stuck on expensive backup heat. A licensed local technician diagnoses it and quotes the fix before starting.
All four metros we cover, Phoenix, Dallas, San Antonio, and Charlotte, are heat-pump-heavy Sun Belt markets. In these climates a heat pump is often the only HVAC system in the house, which means the same equipment that saved you in August is what you depend on in January. Gas furnaces are common too, especially in Texas and North Carolina. The technicians in the HVAC Rescuers network work on both, because in these markets you cannot be a heating specialist without being a cooling one.
Heating is also not a small line on the budget. Heating and cooling account for roughly 43 percent of a typical home's utility bill, according to the US Department of Energy, so a heating system limping along on backup resistance heat or short cycling through the night is quietly expensive even before it fails outright.
No heat? Run this triage first
- Thermostat: confirm it is set to heat, the setpoint is above room temperature, and the batteries are fresh if it uses them.
- Power: check the breaker panel and the furnace or air handler switch, which looks like a light switch near the unit and gets flipped by accident more often than you would think.
- Filter: a badly clogged filter can trip a furnace's high-limit safety or freeze a heat pump. If it looks like felt, replace it and give the system 30 minutes.
- Vents and outdoor unit: make sure supply vents are open and, for heat pumps, that the outdoor unit is not buried in leaves or encased in ice that never clears.
If heat does not return after those checks, stop there. Ignition components, control boards, reversing valves, and refrigerant circuits are diagnosis territory, and guessing with parts is more expensive than a professional visit.
When a heating failure is genuinely urgent
Treat no heat as urgent when indoor temperatures keep falling, when the forecast holds freezing nights, or when anyone in the home is elderly, an infant, or medically vulnerable. Sun Belt housing stock is built to shed heat, not hold it, so indoor temperatures drop faster than owners expect during a hard cold snap. Anything involving burning smells, repeated breaker trips, or a suspected gas odor is an immediate stop-and-call situation. For a gas smell, leave the house first and call your gas utility before anyone else.
Heating problems technicians handle
Furnace or heat pump, the failure patterns are well known. These are the most common winter calls in our markets.
Heat pump blowing cool air
Often normal defrost behavior in cold snaps, but a system stuck in cooling mode, low on refrigerant, or running only on backup heat needs a technician.
Furnace will not ignite
Failed igniters, dirty flame sensors, and gas valve problems top the list. These are routine diagnoses for a licensed technician.
No heat at all
Start with the thermostat, breaker, and filter. If those check out, the failure is electrical or mechanical and worth a professional visit the same day.
Short cycling or constant running
A system that cannot complete a heating cycle wastes energy and wears parts. Causes range from airflow restrictions to control board faults.
Auxiliary heat stuck on
A heat pump leaning on electric resistance backup heats the house but punishes the utility bill. It is one of the most expensive faults to ignore.
Burning smells or a tripping breaker
Shut the system down and call. Electrical faults in a furnace or air handler are urgent safety issues, not wait-and-see problems.
Cold house tonight?
Describe the symptoms and get matched with a licensed technician who can restore heat, with the price approved by you first.
Frequently asked questions
Do the technicians work on heat pumps or just furnaces?
Both. Phoenix, Dallas, San Antonio, and Charlotte are all heat-pump-heavy markets, where a single system handles summer cooling and winter heating, and plenty of homes run gas furnaces too. The licensed technicians in the network diagnose and repair heat pumps, furnaces, and air handlers.
Is a heating failure an emergency in a warm climate?
It can be. Sun Belt winters are mild on average, but cold snaps arrive fast, homes in these markets are often not built for sustained cold, and infants, older adults, and anyone with health conditions feel indoor cold quickly. If indoor temperatures are dropping and you cannot restore heat with the basic checks, treat it as urgent.
What should I check before calling for heating repair?
Three things: confirm the thermostat is set to heat and above room temperature, check the breaker or furnace switch, and look at the air filter. A fully clogged filter can shut a system down on safety limits. If those do not fix it, the fault needs a diagnosis.
Why is my heat pump icing up in winter?
Light frost on an outdoor unit in cold weather is normal, and the defrost cycle clears it. Thick ice that never clears points to a defrost control problem, low refrigerant, or airflow trouble, and it deserves a technician before it damages the compressor.
Request heating repair
Tell us what your heating system is doing and a local technician will call you back.