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The Most Common Heating and Air Conditioning Problems

Heating and cooling systems are essential for maintaining a comfortable indoor temperature and quality of air, no matter the season. Unfortunately, these systems are also prone to problems. Ignoring the problems can result in costly repairs or replacements down the road.

Read on to find out some common heating and air conditioning problems that you must not ignore.

1) Thermostat problems

The thermostat is the command center for your HVAC system. It regulates when the system turns on and off to maintain the indoor temperature you set. If it is not working correctly, then your heating and cooling will be impacted. The most common thermostat problem is that it is not communicating properly with the HVAC unit. If you find that your home is not maintaining the temperature that you set on the thermostat, it may be due to one of these reasons:

  • The batteries in your thermostat may need to be replaced.

  • There may be loose wires.

  • The thermostat itself may be faulty and need to be replaced.

If you have a programmable thermostat, check if it is set correctly. Ensure that the day and time are set properly, and the heating or cooling system is turned on.

2) Frequent cycling

If you notice that the heating or cooling system turns on and off more frequently than usual, it is called ‘short cycling.’ Short cycling puts stress on the system and can reduce its lifespan. It also makes the system less efficient and drives up your energy bills.

The most common reasons for short cycling are:

  • Dirty or clogged air filters

  • Refrigerant leaks

  • Faulty relays

  • Malfunctioning thermostats

3) Strange noises

If you hear strange noises coming from your heating or cooling system, it could be an indication of a serious problem. Heating and air condition repair experts in San Antonio can interpret the different types of sounds effortlessly. For instance, a hissing noise indicates a refrigerant leak, while a grinding noise may indicate that the bearings in the fan motor are going bad.

4) Weak airflow

If you feel that the airflow from your vents is weaker than usual, it may be due to several reasons. Some of them are:

  • Dirty air filters

  • Clogged vents

  • Faulty blower motor

Check with a professional to find out the exact reason for weak airflow and get it rectified as soon as possible.

5) Drainage issues

Every HVAC system has a drainage system to remove water condensation. The drainage system consists of a drain pan and a drain line. The pan collects the water, and the drain line takes it outside. Sometimes, the drain line gets clogged, and the pan overflows. As a result, water starts leaking from the unit.

If you see any signs of water damage around your HVAC system, it is an indication that there is a problem with the drainage system. Get it checked and fixed as soon as possible to avoid further damage.

All Service Air Conditioning and Heating in San Antonio specializes in the repair and maintenance of HVAC systems in homes and offices. Our team of highly skilled and experienced technicians will help you keep your system running smoothly all year round. Contact us today to schedule a service appointment.

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