When your HVAC system stops working at the worst possible time, whether during a heatwave or on a freezing night, it’s more than just an inconvenience. It can quickly turn into an emergency that puts your family’s health and safety at risk. But not every HVAC issue requires emergency service.
So, how do you know when it’s time to pick up the phone and call for help right away? Let’s walk through the most common warning signs that indicate you need emergency HVAC service now, not later.
1. No Heating or Cooling During Extreme Temperatures
If your HVAC system completely fails during a time of extreme weather, that’s a true emergency. In the heat of summer, a broken air conditioner can lead to dangerously high indoor temperatures, increasing the risk of heat exhaustion or heatstroke, especially for children, seniors, and pets.
Likewise, in the dead of winter, a loss of heat can cause indoor temperatures to drop to unsafe levels, putting your household at risk of hypothermia or frozen pipes. If your home is rapidly becoming uncomfortable and unsafe due to a system failure, don’t wait, call for emergency HVAC service right away.
2. Unusual Noises That Indicate a Serious Problem
A properly functioning HVAC system should run relatively quietly. So, if you suddenly hear loud banging, screeching, grinding, or rattling sounds coming from your unit, it could be a sign of a serious mechanical issue. These noises might indicate problems like a broken fan blade, motor failure, or even a loose part that could cause further internal damage if left unchecked.
Unusual noises that persist or grow louder over time should never be ignored. If the sound is alarming or your system is still running poorly despite the noise, it’s best to turn it off and call an emergency technician.
3. Electrical Burning Smell or Smoke
A burning odor or the sight of smoke coming from your HVAC system is a red flag that you need emergency service immediately. This could indicate an electrical issue, such as a short circuit, overheating motor, or a failing capacitor, problems that can lead to fire hazards if not addressed quickly.
4. Refrigerant Leaks or Frozen Coils
While some refrigerant issues can be addressed during regular business hours, a major leak or frozen coil can lead to complete system failure, particularly in hot climates where AC is essential for safety and comfort. Low refrigerant levels can cause your AC system to work harder, leading to overheating, compressor damage, and higher energy bills.
5. Water Leaks or System Flooding
Your HVAC system may produce condensation, but that moisture should be properly drained away. If you notice a water leak, pooled water around your indoor unit, or signs of flooding, you may have a clogged drain line, a cracked drain pan, or a refrigerant issue. Left unaddressed, water leaks can lead to mold growth, water damage to your home, and further system complications.
6. Complete System Failure
If your system won’t turn on at all and you’ve already checked the thermostat, breaker, and power supply, you may be facing a complete system breakdown. While not every outage requires emergency service, if you’re without heating or cooling during extreme weather or if the system fails in the middle of the night or weekend with no signs of improvement, emergency service can help restore comfort quickly.
Contact Althoff Home Services today to schedule an appointment with our professionals. Chicago’s Choice Since 1961. Hand It Off to Althoff!