5 Signs Your HVAC System Requires Urgent Repairs

Heating, ventilation, and air conditioning (HVAC) systems are complex and require regular repair and maintenance to keep them running correctly. Warning signs can reveal some problems with your HVAC system. You should hire a qualified HVAC technician to fix the problem if you notice any of these five signs.

1. Increased Energy Bills

Modern HVAC systems are more reliant than previous generations, ensuring that their energy usage is steady throughout their lifespan. If you notice significant cost increases that deviate from normal rates, your HVAC system may have issues.

A dysfunctional HVAC system can occur for several reasons. Leaky ducts and loose insulation can make conditioned air escape from the HVAC system, overtaxing the appliance and increasing energy usage. 

Additionally, HVAC systems may accumulate dirt and dust, which clogs HVAC system filters. A dirty air filter will restrict airflow and cause the HVAC system to work harder to circulate air, leading to frequent cycling.

Finally, a refrigerant leak will cause your appliance to operate less efficiently. Every model has a specified refrigerant amount that its appliance needs to maintain its indicated energy usage levels. A professional technician can investigate the source of the leaks and use the correct refrigerant level and compound to solve this issue.

2. Strange Noises

Your HVAC system runs consistently while circulating air through its vents, which creates a soft hush sound. If your unit makes unusual noises, a component or the system itself may malfunction.

An HVAC system can generate abnormal noises if the fan blades are unstable. This problem can cause the fan to vibrate and create a buzzing or humming noise. Another reason is if the ductwork is damaged or has holes in it. This issue can cause air to escape and create a hissing sound. Finally, if the compressor does not possess proper lubrication, it can create a knocking or rattling sound.

3. Humid Room Conditions

Your HVAC system should maintain stable humidity throughout your house. However, if you find that one room feels mustier than the others, the humidity variations indicate an appliance malfunction.

Humidity problems result from accumulated moisture in the HVAC system. Every HVAC framework contains a condensate drainage line that moves moisture collected from evaporated water into a separate drainage system. High humidity will indicate that the condensate line does not drain the moisture effectively. 

4. Foul Odors

Most HVAC systems can clean and filter the air in the room. Humid air can result in a musty smell within the house, which can originate from propelled air hitting moist filters. Additionally, mold or mildew growth inside your HVAC system can cause the air to smell musty or earthy. If a foul odor is emanating from your appliance, you need a professional check-up. 

5. Uncontrolled Deactivations

Smart thermostats can work together with your HVAC system to activate and deactivate the appliances. For example, a household can have a scheduled activation and deactivation time, like activating in the morning and deactivating at night. 

Alternatively, you could set a temperature range for it to operate on. However, frequent activations and deactivations outside these conditions (schedule times and temperature settings) can indicate potential thermostat problems.

An improperly calibrated or dysfunctional thermostat will cause the HVAC system to turn on and off randomly. Additionally, a misaligned sensor could trigger these activations and deactivations.

Another issue that could cause unplanned activations is electric control failure. The fans and compressor could ace significant wear and tear. This degradation results in frequent on and off cycles. A professional company can check the integrity of these systems and replace or repair any worn out, missing, or damaged electric controls.

You should call a repair and maintenance company if your HVAC system exhibits these signs. Contact us at Drain Right Services if you need urgent HVAC repairs in any commercial or personal building.