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7 Common HVAC Problems in Your Home

If you have an HVAC system installed on your property, you can count on it to function reliably and without interruptions. Like any other AC, it can break for a variety of reasons. It usually occurs at the most inopportune times. A properly maintained HVAC system is designed to last for many years.

According to Dallas Fixd Repair (, a group of trusted HVAC repair technicians, “Your home needs a temperature control system that is dependable and consistent. Prevention should always come before fixing something. Be sure to get your AC fixed if it’s broken.”

 If there is ever a problem, you will need to be able to communicate with the local technicians in your area. The most typical HVAC problems and how to identify them are described below.

Clogged and Dirty Filters

Every house needs an HVAC system to guarantee healthy and pleasant indoor air quality. The HVAC system can break down if the filters aren’t regularly cleaned and replaced. Overheating and inefficiency in a furnace are possible outcomes of inadequate air ventilation. A dirty filter can also cause allergies and respiratory problems.

You could experience issues such as a frozen evaporator coil and foul odor. This is a common problem, but a simple inspection will get your unit back to normal.

Water Leaks

The HVAC system can produce a lot of condensation from everyday use. All condensation must be transferred to the drain lines and eventually out of your house. If a line is damaged, it can cause cracks in the walls or interior structure. Sometimes, water may leak from an electrical circuit.

Both high-efficiency furnaces and air conditioners can produce condensate. Clogged drain lines and a lack of preventative maintenance are the two main causes of water leakage. Unregulated water build up can cause mold and other electrical problems. A technician trained in water damage repair should be able to identify the source of the leak and recommend the best repairs.

Thermostats That Are Not Working Properly

Your thermostat is the control system for your air conditioner. Your thermostat is responsible for relaying information to you, your family, and your HVAC unit. Many thermostat styles are available, and you can see how they interact with your entire system.

Programmable thermostats are primarily powered by batteries, which must be changed regularly. The thermostat setting or the way the thermostat is set is the most common cause of HVAC issues. The first problems can be easily fixed by consulting the instructions and the manual. However, an HVAC technician can quickly diagnose the problem if they persist.

Unusual Firearm Noises

Some furnace sounds are normal, and others can be an indication or warning sign of a problem. Whining or squealing motors can indicate that the motor’s bearings or the inducer motor are worn. To avoid a furnace fire, it may be necessary to replace the motor. We can also install a new furnace. Airflow problems or dirty burners could also cause noise. These signs should not be ignored. They could indicate a dangerous operating condition or even a furnace malfunction.

Blown Fuses / Tripped Breakers

Overworking the blower is the most common reason a furnace trips a circuit breaker. Your blower will have to work harder to overcome obstructions in airflow. A dirty air filter is the most common reason. Dirty air filters can make it more difficult for the blower to push air through them. This can increase the blower’s energy use and sometimes trip the circuit breaker. Before you reset your circuit breaker, make sure to check your filter. It is best to call a professional to determine if the problem is due to a furnace malfunction or the circuit breaker itself. Duct leaks, blocked or closed air registers, or dirty coils can cause blower overload.

Dirty Coils or Evaporator Coils

If your air conditioner isn’t being maintained regularly, it may not be cooling as efficiently. Dirty and accumulated debris can block the coils and reduce their efficiency, which will cause them to wear out faster. After shutting off power to the condenser, you can clean the outdoor coil. The electrical disconnect is located near the condenser, or the electric panel can shut off the power. The indoor evaporator coil may become dirty if furnace filters are not changed regularly. Dirty evaporator coils can cause your furnace and air conditioner to work harder and reduce efficiency. A trained technician will be able to clean extremely dirty coils.

Blower Running Continuously

A furnace blower can run indefinitely for several reasons. Before calling for service, make sure to check the fan switch. The motor will continue to run when the thermostat is in the fan-on position. It is common for homeowners to turn the fan switch on accidentally.

The furnace has a fan relay that turns on the blower when it receives heat. If the relay is stuck, the blower won’t shut off. The furnace has several safety features and limits. The circuit board can activate the furnace to cool down. The blower will only shut off if the safety limit is reset. This problem can be diagnosed by a trained technician who will offer repairs.

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