Keeping the home at an optimal temperature during the winter isn’t always easy, especially when issues develop that require emergency HVAC repair. Whether they cause the system to run continuously or shut it down completely, securing timely service is essential for comfort. Here’s a look at the most frequent culprits.

What Are the Most Common Emergency HVAC Problems?

1. Poor Airflow

Dust tends to collect within the vents, restricting airflow and preventing the rooms from getting up to temperature. Duct insulation can also come loose and block the airways, causing the furnace to overwork itself in an attempt to produce the optimal level of warmth. Over time, airflow issues can cause a breakdown.

2. Loud Noises

Loud, screeching noises usually mean that a belt has come loose in the fan. They could also reveal that the system is experiencing high pressure levels, increasing the risk of overheating. Without immediate repair, excessive heat may put a strain on the mechanisms and cause extensive damage.

3. Electrical Issues

If the system suddenly stops functioning, check your breaker to ensure it wasn’t a sudden surge. Furnaces that refuse to turn on might have a loose connection somewhere within the wiring. Those that turn on but never reach the optimal temperature might have a bad sensor that requires replacement.

4. Grinding Sounds

The blower motor contains a set of ball bearings to ensure sufficient support and mobility. As they begin to wear down, you might hear a grinding or scraping sound coming from the unit. Allowing the furnace to continue to run could cause further wear on the bearings and damage the blower.

5. Dirty Burners

A boom or rumbling sound indicates the burners are having difficulty igniting. This could be due to a layer of buildup that’s blocking the oxygen and preventing the gas from producing a flame. Since this will result in no heat, securing emergency repairs is essential.  

If you suspect an issue with the HVAC system, reach out to Comfort Tech Heating & Air Conditioning of Thomasville, NC. These professionals have been fully trained and EPA-certified to provide quality heating and air conditioning since 1994. They offer a two-year warranty on all labor and provide free estimates on guaranteed service. Call (336) 472-5858 to request an appointment or visit their website for a complete list of services. During the scheduling process, mention the website and receive $20 off service. They also offer a $50 Visa check card to anyone referring a new customer who purchases equipment for installation or replacement.